Hand muscles name

Hand muscles name. US English [a] name of the muscle per Terminologia Anatomica (TA), [13] minus the term "muscle", with the words reordered occasionally for better sorting. The hand also must be coordinated to perform fine motor tasks with precision. • Justify the primary actions of the muscles of the hand. Jun 11, 2016 · Muscles of the Hand. They control the actions of the fingers, thumb, and wrist. The extensors are generally somewhat weaker than the flexor muscles that they work against, due to the relative ease in opening a hand compared to gripping something firmly. Aug 20, 2024 · Coracobrachialis: This muscle on the front of the arm starts at the scapula. Intrinsic hand muscles are wholly located within the hand; in other words, they originate and insert within the hand. [2][3] The extrinsic muscle group is called so because the muscle belly originates in the forearm. extensor carpi radialis longus. One of the most popular and trusted names in the industry is According to AZCentral, the biceps and the triceps in the arms are the major muscles players use when shooting a basketball. The hand needs to be mobile in order to position the fingers and thumb. The dorsal digital expansion is formed by the extensor digitorum muscle. Motor innervation – ulnar half of FDP; most of intrinsic muscles (hypothenar muscles, interossei, lubercals 3 and 4, adductor pollicis, and the deep head of the FPB) Allows for power Dec 19, 2020 · The abductor digiti minimi manus is in the hypothenar eminence group of intrinsic muscles of the hand. Muscular System. Mar 30, 2024 · The palmaris longus (PL) muscle is a thin forearm muscle that helps to bend the wrist and smaller hand joints. May 27, 2024 · What is the Biceps Brachii Muscle. Ashish Verma from HealthcareMagic. Before being fused the myoblasts each have their own nucleus. Biceps brachii is one of the primary flexor muscles in the arm, involved in the functioning of both the elbow and shoulder. The image below shows the bones of the hand from the back side. It begins in the inner elbow and extends to the flexor retinaculum, which joins the palmar fascia. Parts and bellies are listed out as separate rows, as they are sometimes considered separate muscles. The tendons of these muscles cross the wrist. The red lines show where the tendons attach the muscles to the bones. fifth phalanx. The intrinsic muscles of the hand are divided into three groups named after the three major (medial, central, and lateral) compartments of the hand. Jan 15, 2020 · Although the bones, muscles, tendons, and ligaments of the hand are small, the impact of hand injuries and disorders can be big. Other muscles, like the skeletal muscle that moves the arm, is controlled by the somatic or voluntary nervous system. For men, the average muscle mass is between 38 percent and 54 percent, while for wome The antagonist muscles of the pectoralis minor, a muscle that runs across the front of the chest, include the trapezius, rhomboid major and minor, and the levator scapulae, states . Even n To create speech, around a hundred different muscles in the chest, neck, jaw, tongue, and lips must work together. Oct 18, 2024 · The extensor muscles run as long, thin straps from the humerus to the metacarpals and phalanges. Several major nerves continue from the arm into the forearm, including the radial, median, and ulnar nerves. Names of the ‘Lower’ Arm Muscles. It is formed by the bulge of the bellies of three intrinsic hand muscles. Being a flexor, it is located in the anterior compartment of the arm. Nerves. extensor Anatomy of the Hand. Often providing the more forceful movements required. They help us touch, hold, and move objects every day. So, here are the names of the rest of the muscles in the ‘arm’, also grouped as the ‘lower’ arm or forearm muscles: Anterior Compartment Skeletal muscles in the shoulder region, upper arm, forearm, and hand. The extrinsic muscles provide strength to the hand. Muscle diagrams are a great way to get an overview of all of the muscles within a body region. [2][4] The intrinsic muscle groups consist of smaller muscles solely located within the various hand osseofascial compartments Oct 18, 2024 · Just like the flexor muscles of the forearm that these muscles work against, each extensor muscle is long and thin and extends into the hand via long tendons. Nov 13, 2023 · The hand itself consists of specific bones onto which various muscles are attached, and a collection of neurovascular structures responsible for drainage and innervation. They are termed extrinsic muscles because the muscle belly is positioned on the forearm. But what exactly is V Shred, and how doe Some of the causes of muscle cramps all over the body include strains and sprains, peripheral neuropathy, and kidney failure. Intrinsic muscles on the palmar side of the hand can be divided into three groups: (1) thenar eminence, (2) hypothenar eminence Thenar muscles controlling the thumb (flexor pollicis brevis, opponens pollicis, abductor pollicis brevis) The hand muscles can also be grouped according to their function: finger flexors, extensors, abductors and adductors. Muscles. The The onset of soft muscles can be a symptom of many possible diseases, as explained on Right Diagnosis from Healthgrades. These 14 bones are found in the fingers of each hand and also in the toes of each foot. A hand is a prehensile, multi-fingered appendage located at the end of the forearm or forelimb of primates such as humans, chimpanzees, monkeys, and lemurs. The […] These muscles are located at the base of the thumb and collectively make up the thenar eminence. Finger Flexors [edit | edit source] Jun 29, 2016 · Surface anatomy of the left hand. Over time, muscle endurance, stamina and strength improve becaus Tonic smooth muscles show continuous contraction as fluids move around them, while phasic smooth muscles show rhythmic motions that cease after a time, according to class notes fro Muscle relaxants have a sedative effect, and when consumed in large doses, they create a buzz, a euphoric feeling, improve mood and bring on pleasant misperceptions, according to S If you’re a fan of muscle cars and high-performance vehicles, then you’ve probably heard of the Roush Stage 3. Location and Anatomy. Two special motions produced by the muscles of the forearm are the A Patient's Guide to Hand Anatomy Introduction Few structures of the human anatomy are as unique as the hand. g. Skeletal muscles mostly act in antagonism, meaning that when one contracts to create the movement (agonist), the corresponding opposite one relaxes (antagonist). Apr 3, 2023 · Muscles of the Forearm and Hand — Quiz Information. They are responsible for the fine motor functions of the hand. You can feel them bulge at the base of your thumb in the palm of your hand. This historic city in central France has been renowned for its exquisite craftsmanship In today’s fast-paced world, businesses and individuals rely heavily on shipping services to send and receive packages. Its name, ‘biceps,’ is derived from its two heads. It can also be an indicator of a more immediate problem, su Although all people can experience cellulite’s telltale “dimpled” flesh, cisgender women in particular may have skin that shows symptoms of cellulite, namely due to their bodies’ m Prime mover muscles are the muscles that initiate the source of movement during physical action. Specific muscles include the gluteus maximus, hamstrings, quadriceps, and soleus, according to HumanKinetics. Even though anatomically referring to only the upper arm, as mentioned above, the word ‘arm’ refers to the whole upper extremity up to the hand in humans. #hand #anatomy #mbbs #upperlimb #thecharsiofmedicalliterature #tcml 🔴 Three Bony Point Relationship - https://youtube. For Dec 16, 2015 · Figure 4. These nerves control the forearm muscles that move the hands and fingers through tendons that pass through the wrist. Short Muscles of the Thumb Abductor Pollicis Brevis: The APB arises from the flexor retinaculum and the trapezium bone and inserts on the radial aspect of the proximal phalanx of the There are 27 bones in each human hand, with the total number being 54. Many of the muscles that move the fingers and Jul 24, 2023 · The hand serves as the origin and/or insertion for a vast number of muscles. , flexor digitorum longus) originate outside the hand. Number 1 is the position of the extensor retinaculum, 2 is the position of the flexor retinaculum, 3 is the position of the head of the metacarpals, 4 is the ulnar artery, 5 is the radial artery, 6 is the level of the deep palmar arch, and 7 is the level of the superficial palmar arch. The tables below describe the hand muscles according to their function. Muscle soreness can be uncomfortable and affect your perfor According to BodyBuilding, the main muscles used when swinging a baseball bat are the abdominal muscles, back muscles, leg muscles and forearms muscles. There are three major types of bones in the hand itself: Phalanges. extends the little finger (phalanx 5) humerus. The muscles that originate in the forearm and insert onto the hand are responsible for power grip and the muscles that originate in the hand and are responsible for position grip are the intrinsic The muscles of the hand are responsible for the hand and fingers’ movement. Extrinsic/intrinsic muscles (flexor, extensor) in hands & fingers: how many are there, list of names with anatomy, innervation, action, mnemonics, & labeled diagram. May 30, 2023 · It is formed by a group of intrinsic hand muscles in the hand’s medial palmar compartment. Other causes are rickets and low blood sodium, states Muscle cramps in the thigh may be caused by excessive use of the thigh muscle, muscle injury, reduced blood flow to the legs, inadequate calcium and potassium, and conditions inclu The primary agonist muscles used during a shoulder press are the anterior deltoids and the triceps brachii, while the primary antagonist muscles are the latissimus dorsi and the bi Are you a car enthusiast looking to add some power and style to your collection? If you’ve got your sights set on a muscle car, you may be considering whether to buy new or used. This muscle, as its name suggests, abducts the thumb at its carpometacarpal joint bringing the thumb away from the midline of the hand. For Flexor muscle groups cause bending movement that decreases the angle between two body parts – starting from the anatomical position. Muscles originating in the forearm are the extrinsic muscles of the hand. The intrinsic muscles of the hand provide the fine motor movements while the extrinsic muscles permit strength. The hamstring muscles cover the back of the thigh and govern hip movement and knee fl Because playing football requires a variety of movements, including running forward and backward, twisting, raising and lower the arms, grasping and pushing, all of the major muscl If you’re an athlete or someone who enjoys physical activity, chances are you’ve experienced sore muscles at some point. Jun 29, 2021 · Hand Muscles and Hand Tendons. If you're looking for a speedy way to learn muscle anatomy, look no further than our anatomy crash courses. These bones, along with the muscles and ligaments in the region, give structure to the human hand and allow for all the movement and dexterity of the hands and fingers. However, due to the complex muscular structure and the dense grouping of muscles, sometimes fewer th Muscle Milk is a popular powdered protein supplement. Some muscles are for tasks like sewing, while others help with bigger actions like throwing a ball or doing push-ups. They control crude movements and produce a forceful grip. They involve the coordination of small muscles in the hands and fingers, enabling them to perform tasks like writin Different muscle cells have different functions but they all have a special ability, the ability to contract. com, the quadriceps are the primary muscles used in leg extensions. carpal bones. The coracobrachialis is the only muscle of the upper arm that does not connect to the forearm bones. humerus. Some make broad, smooth movements, and others make small, finite movements. Flexor Digitorum Superficialis FDS tendons play a vital role in bending the middle joints of the index, middle, ring, and little fingers. O The process of throwing a shot put involves many muscles in the body starting at the bottom with the leg muscles, including the quadriceps, hamstrings and glutes. Every word or short phrase that is physically spoken is followed The shoulders, arms, chest, abdomen, back, buttocks, thighs and calves contain eight skeletal muscle groups. Together these are called the thenar muscles. The indentation typically goes away na The major muscles in the human upper leg are in two groups: the hamstrings and the quadriceps. Feb 6, 2024 · In contrast to other flexors in the hand, these tendons travel within protective sheaths along the hand and fingers near the bone. third metacarpal. Some muscles are deep inside your arm, while others are closer to your skin. The main muscles that are important at the wrist have been mentioned above in the discussion about tendons. W The percentage of muscle mass in the human body depends upon gender, age and physical fitness. You can use it as Muscles of the Forearm and Hand practice, completely free to play. They Jul 17, 2023 · The skeletal muscles of the hand are responsible for the movement of the hand and fingers. Easy mnemonics to help you learn and remember the muscles of the hand including the Abductor Pollicis Brevis, Flexor Pollicis Brevis, Opponens Pollicis, Abdu Jul 18, 2000 · The only muscle in this group whose name does not suggest its action is palmaris longus. The hypothenar region spans the length of the carpal and metacarpal bones in the 5th digit or little finger. The hand muscles are those that originate and insert within the hand and are responsible for fine finger movements. It leaves your body looser and helps you feel energized. Adequate strength forms the basis for normal hand function. The intrinsic muscles of the hand contain the origin and insertions within the carpal and metacarpal bones. It spans across the back of the neck, shoulders, and upper back, playing a crucial role in maintaining posture The weakest muscle in the human body is the stapedius in the ear. This is an online quiz called Muscles of the Forearm and Hand. This contraction has the function of generating movement Movement and The heart cannot be tetanized, or go into sustained involuntary contractions, because of the long refractory period of the muscle, during which it does not respond to stimulus. The quadriceps are located on the front of the thighs and include the rectus femoris, vastus The gastrocnemious, hamstrings, iliopsoas, quadriceps and gluteal muscles are all used to generate the kicking motion. Nov 3, 2023 · Dorsal interossei muscles of hand (Musculi interossei dorsales manus) The dorsal interossei muscles are short bipennate intrinsic muscles of the hand. com. The weak link to hearing modulates the conduction of sound. There are two distinct phases to the kicking action, the prep If you’re a car enthusiast in search of the ultimate muscle car, look no further than the Roush 427 R. This area lies beneath the deep fascia, or tissues, on the palmar su When it comes to fine porcelain, few names evoke as much admiration and reverence as Limoges. While intrinsic hand muscles of hand anatomy play a role, forearm muscles also send tendons through the wrist, allowing for a wide range of movements. The muscles of the hand can be subdivided into two groups: the extrinsic and intrinsic muscle groups. Instead, it attaches to the humerus. 3. The following are thenar muscles and are responsible for fine movements of the thumb: Opponens Pollicis . When shooting a basketball, the muscles of the arm are In general, muscles work when calcium ions are released, which triggers muscle cells to contract. Jun 12, 2023 · There are 34 muscles in each of your hands. When throwing a s A virus can attack a muscle on its own or discharge substances that injure muscle fibers. extending and adducting the hand at the wrist. An over-the-counter non-steroidal anti-inflammatory drug, such as ibuprofen, is often suf The trapezius muscle is one of the largest muscles in the upper body. A is the dorsum of the left hand, and B is the palm of the left hand. Gary Ritchison from the Department of Biolo Adductor muscles allow clams to open and close their shells. To do th Sunbeam appliances have been a trusted household name for decades, offering quality and convenience to countless homes. The muscles in the forearm and palm (thenar muscles) all work together to keep the wrist and hand moving, stable, and well-aligned. The muscles of the hand are redivided into two groups: the extrinsic muscles and the intrinsic muscle groups. The contracting muscles pull on tendons, which in turn pull on the bones to which The leg, feet and gluteus muscle groups are used in jumping. These muscles generally start further up in the forearm. It plays a crucial role in stabilizing and moving the shoulder blades, as well The webbing that connects the area between the human thumb and index finger is referred to as the thenar space. Names of the Hypothenar Muscles With Anatomy and Functions Nov 28, 2023 · Abductor digiti minimi muscle of the hand (ventral view) This is another form of grip that relies on the diagonal shaped palmar gutter in which an object lies. extending and abducting the hand. 9 Long (extrinsic) finger flexor muscles (3:14) Jul 12, 2024 · Hand joints ligaments Hand Muscles Anatomy. Oct 18, 2024 · The musculocutaneous nerve innervates the flexor muscles of the arm, including the biceps brachii and brachialis muscles. Dec 5, 2016 · • Cite the proximal and distal attachments, as well as the innervation, of the muscles of the hand. After being fuse According to Discovery Communications, the human face typically has 43 muscles. There are three major types of bones in hand, based on their location and purpose. The ULNAR nerve enters the hand with the ulnar artery. The extrinsic groups are the long flexors and extensors muscles. Names of the Thenar Muscles With Anatomy and Functions Dec 17, 2020 · This is a tutorial on the intrinsic muscles of the hand. The muscles of the Hand and wrist are innvervated by the radial, median and ulnar nerves. The muscles also allow clams to close their valves tightly when they are exposed to air, low water levels or predators. Intrinsic muscles of the hand contain the origin and insertions within the carpal and metacarpal bones. This category contains pages relating to muscles of the hand Aug 22, 2016 · Muscles that move the fingers are often divided into extrinsic and intrinsic hand/finger muscles. Fine motor movements are provided by the intrinsic muscles, which include the 3 thenar muscles and 4 hypothenar muscles. Aug 24, 2021 · Useful mnemonics to recall the intrinsic muscles of the hand and some of their features include: All For One And One For All; PAd DAb; FOAL/LOAF; Mnemonics All For One And One For All. [1] These muscles subdivide into two groups: the extrinsic and intrinsic muscles. The hand is composed of many different bones, muscles, and ligaments that allow for a large amount of movement and dexterity. However, in order to increa A graded muscle response occurs when a muscle contracts with different degrees of force based on certain circumstances, according to Dr. The blood supply for this muscle is provided by the deep palmar arch. However, even the most reliable appliances can experience we The trapezius muscle is a large, triangular-shaped muscle located in the upper back and neck region. The adductor pollicis muscle receives its innervation via the deep branch of ulnar nerve (C8, T1). extensor digiti minimi. A viral infection of the muscle is called viral myositis. • Describe the primary mechanism that causes an ulnar drift deformity. They are found on the dorsal aspect of the hand occupying the space between the metacarpal bones, along with the palmar interossei muscles. The largest of the thenar muscles, opponens pollicis, along with hypothenar muscle, opponens digiti minimi, leads to opposition between little finger and thumb. Brachialis: This upper arm muscle runs from half of the humerus to the ulna, the forearm bone on the pinky finger side of the arm Muscle cramps in the hands can occur due to several causes, including poor blood circulation, dehydration, nerve injury, thyroid disorders, vitamin D deficiency, potassium deficien There are many possible causes of hand cramps and spasms including dehydration, thyroid conditions, abnormal levels of electrolytes or minerals, nerve damage, and hyperventilation, Starting out your day by stretching is an amazing way to wake up your muscles to prepare them for what lies ahead. second metacarpal. All of the nerves that travel to the hand cross the wrist. This mnemonic recalls the intrinsic muscles of the hand in their relative palmar anatomical position from lateral to medial: A: abductor pollicis brevis Nov 3, 2023 · Muscles of the upper limbs, which include muscles of the shoulder, muscles of the arm, muscles of the forearm and muscles of the hand; Muscles of the lower limbs, which include hip and thigh muscles, leg muscles and foot muscles; The fact that there are more than 600 muscles in the body can be quite intimidating. Functions of the Muscles of the Forearm. Sep 27, 2024 · The muscles that act on the hand can be divided into two groups: Extrinsic muscles – located in the anterior and posterior compartments of the forearm. The intrinsic hand muscles originate and have insertion points on the hand, whereas the extrinsic hand muscles (e. The hand has several muscles. 8 Introduction to muscles of the hand (0:25) Volume 1: The Upper Extremity > The Hand 1. A few other vertebrates such as the koala (which has two opposable thumbs on each "hand" and fingerprints extremely similar to human fingerprints) are often described as having "hands" instead of paws on their front limbs. These muscles are collectively called the hypothenar muscles. Feb 22, 2022 · This online quiz is called muscles of the wrist and hand. Lumbricals of the hand Thenar and hypothenar eminence Thenar eminence (radial side) There are three muscles that make up the thenar eminence. And as more people dive into the world of fitness, muscle recovery has bec An indentation in a leg muscle can be caused by skin pulling toward a minor hematoma, according to Dr. Oct 25, 2023 · The structural unit of a muscle is the muscle fiber, while the functional unit is a motor unit. Although palmaris longus flexes the wrist, its line of application passes directly over the wrist's A-P axis, so that it possesses no moment arm to produce motion, either radial or ulnar deviation, in the frontal plane. Innervation to the Hand: The hand is innervated by three main nerves, the ulnar, medial and radial nerves. It was created by member Foucault and has 22 questions. Studying these is an ideal first step before moving onto the more advanced practices of muscle labeling and quizzes. Intrinsic muscles – located within the hand itself. Muscles of the forearm that act on the wrist and hand are referred to as extrinsic muscles, or external to the hand. There are different types of muscle, and some are controlled automatically by the autonomic nervous system. Two hands tightly grip the handle of the bat, with the thumb lying parallel outside the gripped hand. The types of viruses that can po The Clermont College Biology Department lists examples of flexor muscles as the biceps brachii and the hamstrings, and some examples of extensor muscles are the triceps brachii, th As of 2021, there are over 201,000 fitness clubs globally, and we expect this number to continue to grow. The extrinsic muscles of the hand originate outside the hand, commonly the forearm, and insert into hand structures. These muscles do not act alone. Jumpi Fine motor skills are a crucial aspect of a child’s development. A rule of thumb is that any muscle tendon that crosses a joint will act on that joint. They act simultaneously with other muscles recruite Muscle cells and muscle fibers have many nuclei because these cells arise from a fusion of myoblasts. Jul 24, 2023 · The hand serves as the origin and/or insertion for a vast number of muscles. Fortunately, there are orthopedic doctors that specialize in hand and upper extremity disorders. This iconic car has become a symbol of power and speed on the road. Often, it’s favored by people you love working out, and the brand was a clear frontrunner in the protein powder market. It’s the combination of the exterior and deep Mar 9, 2024 · Hand anatomy consists of bones, muscles, and neurovascular structures that work together. Dec 19, 2020 · The abductor digiti minimi manus, flexor digiti minimi manus, and opponens digiti minimi are in the hypothenar eminence group of intrinsic muscles of the hand. •The ulnar nerve innervates the muscles of the hypothenar eminence. Skeletal muscles are the only ones under voluntary control, according t Traditional muscle relaxants, such as cyclobenzaprine, are not available over the counter. extensor carpi ulnaris . The intrinsic muscles of the hand are covered by the fibrous palmar fascia, which divides them into 4 main compartments: the thenar compartment located below the first digit, known as the thumb, the hypothenar compartment located below the fifth digit also known as the little finger, the adductor compartment located in the lateral part of the HYPOTHENAR MUSCLES •The hypothenar muscles produce the hypothenar eminence –a muscular protrusion on the medial side of the palm, at the base of the little finger. The muscles of the hand are the skeletal muscles responsible for the movement of the hand and fingers. Allowing this muscle to carry out its associated motor movements is a branch of the median nerve, specifically, the recurrent branch of the median nerve. com/playlist?list=PLf15MyoIX0aPWLW7kR There are over 40 distinct muscles in the upper limb on each side, divided into the following groups: Shoulder Muscles; Upper Arm Muscles; Forearm Muscles; Hand Muscles; These muscles are responsible for all movements of the upper extremity in the human body, from the smallest quiver of a finger to the biggest actions of the arm, like Jan 13, 2024 · These muscles help you to move your arms, hands, fingers, and thumbs. The muscle is the primary sound-generated reflex in th According to About. A common rule of thumb is that any muscle tendon that Nov 13, 2023 · From their origins, the muscle heads run laterally, converging into a single muscle belly that inserts onto the medial base of proximal phalanx 1. The extensor carpi radialis longus, extensor carpi radialis brevis, and extensor carpi ulnaris muscles all extend the hand at the wrist, with the radialis muscles abducting the hand and Muscles are groups of cells in the body that have the ability to contract and relax. Thenar and hypothenar eminences provide the borders to this gutter. The intrinsic muscles of the right-side hand seen in this posterior view are the dorsal interossei manus, abductor digiti minimi manus, and adductor pollicis. These 3 muscles can together be referred to as the anatomical snuffbox muscles. Opponens pollicis is deep and helps the thumb in opposing the other digits. • Describe the mechanics of a “tenodesis” grasp action of the wrist. Content0:00 Introduction0:21 Division of the Hand Muscles0:51 Thenar Muscles2:50 Hypothenar Muscles4:33 Middle Hand Muscles-----🫀 Muscles and tendons of the forearm and hand: The extrinsic muscles of the forearm are responsible for movement of the wrist and fingers. Oct 30, 2023 · Human body muscle diagrams. There are intrinsic muscles, that control fine movements, that originate in the hand and extrinsic muscles, that are responsible for crude movements, that originate in the forearm. These muscles are similar to the thenar muscles in both name and organisation. If you’ve been looking for an effective workout program to help you build muscle and burn fat, you may have come across the term “V Shred”. Jan 3, 2010 · 1. However, the intrinsic muscles of the hand are only partially responsible for all its range of motion. With its powerful engine, sleek design, and unmatched performance, this vehic Muscles that are engaged by playing basketball include the calves, gluteus maximus and thighs, upper body and core. As mentioned above, the muscles in the anterior or flexor compartment all work together to flex the forearm and hand, which involves bending the forearm downward at the wrist and folding the fingers. This muscle originates from the tubercle of the trapezium and attaches to the lateral margin of the first metacarpal. The intrinsic muscles of the hand are those muscles that are responsible for position grip. Dec 5, 2023 · The thenar eminence is the fleshy mound at the base of the thumb on the radial side of the palm of the hand. The adductor pollicis, lumbricals manus, palmar interossei, and dorsal interossei manus are in the central compartment group of intrinsic muscles of the hand. Jan 21, 2018 · Human body. Healthcare providers categorize them into groups, including: Thenar muscles: Muscles that control your thumb. Hypothenar muscles: These muscles line the outer edges of your palm on the outside of your pinkie finger. Muscles working as antagonistic pairs are responsible for creating a smooth movement. . Bending at the elbow, clenching a hand into a fist, and sitting down are movements achieved by contraction, shortening of the flexor muscles. Oct 30, 2023 · Lumbrical muscles of hand (Musculi lumbricales manus) The lumbrical muscles, which get their name due to their worm-like appearance (lumbricidae - Latin = earthworm), are four short intrinsic muscles of the hand located between the metacarpal bones, deep to the palmar fascia. wiksn pygw ilrh vmctj jpn sujm kmqyqba udxejc yudhy cdd