Sensory to upper limb making it move bones and joints muscles and nerves vascular supply surface anatomy muscle study hint. Next to each muscle, youll find its origins, insertions, innervations and. The arm is the area between the shoulder and the elbow. The chapter on the upper limb arteries begins with an overview of the arteries subclavian, axillary, brachial, radial and ulnar arteries and deep and superficial. Upper limb anatomy 1 with regard to the pectoral girdle. This summary on the gross anatomy of the upper limb is done in the form of mnemonics according to the theory from grays anatomy for students. Clinical anatomy of the upper limb welcome to khima. Comparative radiologic anatomy of the mammalian forelimb pdf. The lower limb is designed for weightbearing, balance, and mobility. The major function of the upper limb is to position the hand in space for use as a mechanical and sensory tool. Motor innervation of upper limb by the five terminal nerves of the brachial plexus. Muscles, osteofascial compartments, vessels, and nerves of the lower limb.
Unlike the lower limb, which is used for support, stability, and locomotion, the upper limb is designed to be flexible. Free practice questions for human anatomy and physiology identifying muscles of the upper extremities. The space also contains the proximal parts of two muscles biceps brachii and coracobrachialis muscles. James pickering will introduce you to upper limb anatomy. All the following muscles have single innervation, except wristdrop is a result of injured radial nerve and paralysis. Id muscles of upper limb and groups where they belong 2. Prior to beginning dissection, place a block under the chest of. Next to each muscle, youll find its origin s, insertion s, innervation s and function s. Passing through the axilla are the major vessels, nerves, and lymphatics of the upper limb. Contents bones and joints clinical anatomy of upper limb joints clinical anatomy of upper limb muscles. Jan 21, 2020 multiple illustrations on the myology of the upper limb, with various muscular compartments fascial compartments, fascia and intermuscular septum, and the muscles and tendons.
The upper limb quizzes on the muscles of the upper limb the quizzes below each include 15 multiplechoice identification questions related to the muscles of the upper limbs, and includes the following muscles. You may not embed one of our images on your web page without a link back to our site. The shoulder is suspended from the trunk predominantly by muscles and. Groups of nodes are found in the cubital fossa and in the axilla.
We use cookies to ensure that we give you the best experience on our website. It is best studied broken down into its components. Muscles stabilizing pectoral girdle muscles of the upper limb. Arm compartments and muscles the arm is surrounded by a layer of deep fascia that encloses its contents like a sleeve and sends septa between the muscle groups to facilitate their gliding on each other. Pronator teres flexor carpi radialis palmaris longous flexor carpi ulnaris flexor digitorum superficialis knowledge level 3, system. See more ideas about anatomy, anatomy and physiology and physiology. Its like when you try to name all the us states and capitols, except more beneficial to your wellbeing. The muscles of the upper limb can be divided into 6 different regions. These nerves give sensation to our upper limb, as well as innervating the muscles, allowing us to move them at will. See more ideas about anatomy, upper limb anatomy and anatomy and physiology.
The nerves of the upper limb arise from a complex arrangement of nerve fibers known as the brachial plexus. Muscles of the arm and the shoulder explore study unit. Pdf anatomy, shoulder and upper limb, biceps muscle. Here we discuss the beginning of the upper extremity and introduce you to a little game i like to play called name the 17 muscles that attach to the scapula. This contrasts with the lower limb, which has developed for stability.
I hope you find it helpful as you study muscle identification and their actions in lab. Other than a single muscle on the dorsum of the foot, the majority of intrinsic foot muscles are found on the plantar aspect sole. Related posts of muscle anatomy upper limb lower back muscle in human body. Muscles of the lower limb muscle origin insertion action innervation artery notes abductor digiti minimi foot medial and lateral sides of the tuberosity of the calcaneus lateral side of the base of the proximal phalanx of the 5th digit abducts the 5th toe. The upper limb or upper extremity is the region in a vertebrate animal extending from the. The upper limb teachmeanatomy making anatomy simple. Origin coracobrachialis coracoid process of scapula with biceps brachii insertion upper half medial border of humerus action flexes and weakly adducts arm nerve musculocutaneous nerve c5, 6, 7 from lateral cord 70. By looking at all of the upper limbs components separately we can appreciate and compartmentalize the information, then later view the upper limb as a whole and understand how all of its parts work. The short head originates from the tip of the coracoid process, and the long head originates from the supraglenoid tubercle tuberculum supraglenoidale of the glenoidscapula. In that manner of speaking, we will go through certain regions of the upper limb, where each of them has its own most dominant function. Posterior upper limb trudy van houten, september 1, 2010 page 30. Supplies hip joint, muscles of upper thigh, gluteal region. Take the upper extremity anatomy quiz and learn more about the bones, joints, muscles and vessels of the upper extremity. While a grouping by innervation reveals embryological and phylogenetic origins, the functionaltopographical classification below reflects the similarity in action between muscles with the exception of the shoulder girdle, where muscles with similar action can vary.
In other words, the muscle body must cross the joint in order to affect it. Mar 16, 2017 muscles of the upper arm and shoulder blade human anatomy kenhub duration. Muscles lower limb upper limb and lower limb and thorex assessment of upper limb mnemonic upper limb upper limb prosthesis musles of upper limb upper limb anatomy anatomy mnemonics upper limb nerve. The anterior boundary of the anatomical snuffbox is the lumbrical muscles arise from the tendons of flexor digitorum profundus muscle, and which muscle is not a hypothenar muscle. As each artery passes into the axilla armpit it becomes the. Chaplin suny hscb downstate college of medicine eye rotation by oblique muscles id 1416. Interactive cadaveric dissection guide finleys claudia r. On the medial back, it is an area of little muscle and hence a good place to listen to the lungs. Upper limb ppt free download as powerpoint presentation. All muscle model photographs by rob swatski 20092010. This anatomy section promotes the use of the terminologia anatomica, the international standard of anatomical nomenclature.
Maybe the most convenient way to study the anatomy of the upper limb is to do it topographically. Ascending branch anastomoses with inferior gluteal artery. The abductor pollicis longus, anconeus, biceps brachii, brachialis, brachioradialis, extensor carpi radialis brevis, extensor carpi radialis longus. The upper limb upper extremity is truly a complex part of human anatomy. If you would like a large, unwatermarked image for your web page or blog, please purchase the appropriate license. Muscles of the upper limb boundless anatomy and physiology. In the human body the muscles of the upper limb can be classified by origin, topography, function, or innervation. Hence with a cervical neck fracture, some people can still shrug their shoulders, even though theyve lost upperlimb innervation, due to residual innervation from this nerve. If you continue browsing the site, you agree to the use of cookies on this website. Upper limb anatomy encompasses the anatomy of the shoulder, arm, elbow, forearm, wrist and hand. Human hands are quite special in their anatomy, which allows us to be so dextrous and relies on muscles of the upper limb to help move it through space. Pdf anatomy, shoulder and upper limb, hand compartments. The intrinsic muscles of the foot help to flex, extend, abduct, and adduct the toes. Identifying muscles of the upper extremities human.
Sex helps you think of erector, but long and spinach help you remember the muscles names. In the human body the muscles of the upper limb can be classified by origin. The upper limb or upper extremity is the region in humans or vertebrates extending from the deltoid region which includes the hand, arm, axilla and the shoulder. In this article, we are sharing with you some mnemonics so that you can remember some points easily. The muscle is composed of a short head caput breve and a long head caput longum.
Discuss the various common injuries and clinical signs of damage to the upper limb nerves 5. The deltoid muscle is responsible for abduction of the. Analyses of upper limb movements were less convincing. Contents bones and joints clinical anatomy of upper limb joints clinical anatomy of upper limb muscles clinical anatomy of nerve affect upper limb muscles special diagnostic tests. Muscles of the upper limb upper limb muscles upper limb muscles anatomy upper limb muscles origin and insertion pdf b. For example, upper limb muscles are grouped by shoulder and arm, forearm and hand. Lower back muscle in human body 12 photos of the lower back muscle in human body lower back muscles of the human body, human muscles, lower back muscles of the human body. The upper limb is associated with the lateral aspect of the lower portion of the neck. Flashcard anatomy on the muscles of the upper limb. The trapezius helps elevate the scapula and raise the upper limb above the head, but is not associated with retraction of the scapula.
The joints of the upper limb are found between some of these bones and the muscles crossing them allow us to orient these joints. Mnemonics are highly recommended for written and spot tests. Lecture notes, lectures upper limb, head and neck, neurosciences. The hand manual region is the terminal end and focus of the upper limb. The 30 bones of each upper limb are illustrated in figure 1. Names of skeletal muscles muscle size and arrangement of muscle fascicles quiz. In this article we will discuss the gross structure and functional anatomy movement of the muscles of the upper limb. The bones and muscles of the lower limb are larger and stronger than those of the upper limb, which is necessary for the functions of weightbearing and balance. D chaurasias human anatomy for upper limb, lower limb, thorax and abdomen. In order to cause flexion or extension of a joint, a muscle must originate on one side of the joint and insert on the other. When the rhomboids are contracted, your scapula moves medially, which can pull the shoulder and upper limb posteriorly.
Muscles, osteofascial compartments, vessels, and nerves of. This course will cover the upper back and scapula, pectoral region, axilla and brachial plexus, and detailed anatomy of the. Muscle origin insertion action innervation artery notes. Collectively, along with the tendons of some let muscles that enter the sole, the foot muscles help support the arches of the foot. Muscle of upper extremity pictures flashcards quizlet. Bones and joints of upper limb regions bones joints. Transverse branch anastomoses with lateral femoral circumflex artery. The biceps brachii is a large, thick muscle on the ventral portion of the upper arm. Ventral somatic outgrowth of outer tube bones with bone, cartilage, marrow, nav, etc. The medial and lateral intermuscular septa pass to the medial and lateral supracondylar ridges of the. Muscles that act on the shoulder can be classified as extrinsic, intrinsic, pectoral, or upper arm. Upper arm muscles will be discussed in a later section since they primarily promote forearm movement.
This flashcard set features the muscles of the shoulder and arm. The upper extremity ue is comprised of its associated muscles, nerves, and vessels, organized into anatomical compartments. Due to his regular use of various modern learning tools, he was awarded the title of most innovative teacher of the. Muscles of the upper limb muscle origin insertion action innervation artery notes abductor digiti minimi hand pisiform base of the proximal phalanx of the 5th digit on its ulnar side abducts the 5th digit deep branch of the ulnar nerve ulnar a. The upper limb consists of the arm, forearm, and hand. Identifying muscles of the upper extremities human anatomy.
All the following muscles have single innervation, except wristdrop is a result of injured radial nerve and paralysis of. The muscles of the upper limb are innervated segmentally proximal to distal so that the proximal muscles are innervated by higher segments c5c6 and the distal muscles are innervated by lower segments c8t1. Pickering is a professor of anatomy and has written various publications in the field. The anatomy of the upper limb is difficult to remember like the rest of anatomy. Muscle origins and insertions many muscles are attached to bones at either end via tendons. Explain the pattern of motor innervation to the forearm 6.
30 528 1182 355 1045 793 455 211 566 717 826 730 1498 888 1501 846 1405 679 1049 518 325 1595 780 278 1060 1530 809 713 265 298 1004 908 506 287 1537 907 1634 52 1252 796 1055 17 1032 1023 850 1244