Variations in the morphology of the upper limb muscles are not uncommon. Collectively, along with the tendons of some let muscles that enter the sole, the foot muscles help support the arches of the foot. D chaurasias human anatomy for upper limb, lower limb, thorax and abdomen. Ventral somatic outgrowth of outer tube bones with bone, cartilage, marrow, nav, etc. Anatomical variation of the brachial plexus and its clinical implications 26th dec 2017 page 3 of 9. The muscles of the upper limb can be divided into 6 different regions. Original research article a study of upper limb muscle. Sensory to upper limb making it move bones and joints muscles and nerves vascular supply surface anatomy muscle study hint. They act as a framework for the muscle, blood vessels, nerves and lymphatics to. Asbisb award paper upper limb muscle volumes in adult.
See more ideas about anatomy, upper limb anatomy and anatomy and physiology. Other than a single muscle on the dorsum of the foot, the majority of intrinsic foot muscles are found on the plantar aspect sole. The intrinsic muscles of the foot help to flex, extend, abduct, and adduct the toes. The muscles of the human body can be categorized into a number of groups which include muscles relating to the head and neck, muscles of the torso or trunk, muscles of the upper limbs, and muscles of the lower limbs. This branch supplies the cutaneous fibres to the anterior surfaces of the medial one and a half digits. Posteriorly it is attached above to the margins of the olecranon fossa of the humerus and below to the upper margin and sides of the olecranon process of the ulna. The upper limb upper extremity is truly a complex part of human anatomy. This is an online quiz called muscle of the upper limb. Muscles stabilizing pectoral girdle muscles of the upper limb. The humerus is the largest bone of the upper extremity and defines the human brachium arm.
The deep branch of the ulnar nerve supplies the hypothenar muscles, the medial two lumbrical muscles, the adductor pollicis muscle, and the interosseous muscles. The plantar muscles occur in multiple layers and are remarkably similar to those in the palm of the hand. Delpa,b,c abioengineering department, stanford university, stanford, ca 94305, usa bmechanical engineering department, stanford university, stanford, ca 94305, usa cbone and joint center. Functional anatomy of the upper limb breaking down gym exercises into joints, movements and then muscles first, print out this whole document and read through fully. Below is a table listing individual muscles found in the foot.
The lower limb is designed for weightbearing, balance, and mobility. 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. 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. Introduction to the lower limb click on the skin in the dissection area to highlight it structures change colors when highlighted click on the highlighted skin again to dissect it now you see the fat and other subcutaneous tissue dissect the fat just like the skin 2 now skin the cadaver to reveal more anatomy. Ms typically affects multiple functional systems, thus. 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 shaft of the humerus may be felt in different areas through the muscles surrounding it. Anteriorly it is attached above to the humerus along the upper margins of the coronoid and radial fossae to the margin of the coronoid process of the ulna.
The blood supply to the upper limb shoulder, arm and hand starts as the subclavian arteries in the shoulders. Action medial border of scapula stabilizes depresses. 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. Muscle name origin insertion action innervation muscles of. It articulates proximally with the glenoid via the glenohumeral gh joint, and distally with the. The nerves of the upper limb arise from a complex arrangement of nerve fibers known as the brachial plexus. Muscles of the upper limb an overview sciencedirect topics. Muscle name origin insertion action innervation muscles of upper extremity pectoralis major medial half of clavicle, front of sternum, costal cartilage crest of greater tubercle lateral lip of bicipital groove horizontally adduct, medially rotate at shoulder medical and lateral pectoral.
Anatomy, shoulder and upper limb, arm structure and. Prior to beginning dissection, place a block under the chest of the cadaver so that the head falls into flexion. Pdf anatomy, shoulder and upper limb, biceps muscle. The limb derives from the mesenchymal cells of the lateral. It supplies the posterior surface of the medial part of the hand. Muscle name origin insertion action innervation muscles of upper extremity. This section describes dissection of the superficial back muscles and the posterior axilla.
The muscle is composed of a short head caput breve. The anterior divisions of the superior and middle trunk combine to form the. The limb buds are observed on day 26 in the upper limb and day 28 in the lower limb 4, 5. The large vessels and nerves to the upper limb pass posterior to the convexity of the clavicle. The upper limb consists of the arm, forearm, and hand. Muscle origin insertion action innervation artery notes. The action refers to the action of each muscle from the standard anatomical position. The deeper layers of the back muscles and the posterior neck are presented in chapter.
Anatomical variation of the brachial plexus is common and can influence the conduct of regional anaesthesia. Pdf the biceps brachii is a large, thick muscle on the ventral portion of the upper arm. Muscles of the upper arm and shoulder blade human anatomy kenhub duration. It is best studied broken down into its components. Journal of biomechanics 40 2007 742749 asbisb award paper upper limb muscle volumes in adult subjects katherine r. The joints of the upper limb are found between some of these bones and the muscles crossing them allow us to orient these joints. Review quickly your muscles and joint movements from the printout and any old textbooks you have. The 30 bones of each upper limb are illustrated in figure 1. The clavicle is an elongated, sshaped bone that rests horizontally at the sternum across the upper part of the ribcage, and the acromial end of the scapula this bone is an important part of the skeletal system since it plays an essential role in everyday functional movement, serving as the connection between the axial skeleton and the pectoral girdle. List of skeletal muscles of the human body wikipedia. These nerves give sensation to our upper limb, as well as innervating the muscles, allowing us to move them at will.
Pectoralis major medial half of clavicle, front of sternum, costal cartilage crest of greater tubercle lateral lip of bicipital groove horizontally adduct, medially rotate at shoulder medical and lateral pectoral pectoralis minor ribs 25 coracoid process protract, depress, medially rotate scapula and elevate ribs medial pectoral serratus anterior ribs 18 ventral surfaces of the superior and inferior. As each artery passes into the axilla armpit it becomes the. Pdf anatomy, shoulder and upper limb, wrist extensor muscles. For each muscle, fill in the appropriate origin, insertion, innervation, and action and then correctly label the muscle on the associated figures. Pdf the wrist extensor muscles make up a significant component of the posterior forearm musculature. There is a printable worksheet available for download here so you can take the quiz with pen and paper. Search help in finding muscle of the upper limb online quiz version.
Effect of upper limb, lower limb and combined training on healthrelated quality of life in copd article pdf available in lung india 271. Multiple sclerosis ms is a chronic and autoimmune disease, affecting the white and gray matter in the central nervous system cns 1. Muscles of the upper limb upper limb muscles upper limb muscles anatomy upper limb muscles origin and insertion pdf b. Frolich, human anatomy,upprlimb upper limb what is a limb. Anatomical variation of the brachial plexus and its. The gross anatomy of the parts will not be considered except where it is.