Elbow, Forearm, Wrist, and Hand Flashcards
brachialis orgin
distal 1/2 of the anterior surface of the humerus
brachialis insertion
tuberosity and coronoid process of the ulna
brachialis actions
flexes the elbow
brachioradialis orgin
proximal 2/3 of the lateral supracondylar ridge of the humerus
brachioradialis insertion
lateral side of radial styloid process
brachioradialis actions
flexes the elbow
pronates the forearm from supinated to neutral
supinates the forearm from pronated to neutral
flexor carpi radialis orgin
medial epicondyle of the humerus
flexor carpi radialis insertion
base of 2nd and 3rd metacarpals on palmar side
flexor carpi radialis actions
flexes the wrist
radially deviates (abducts) the wrist
slightly flexes the elbow
slightly pronates the forearm
palmaris longus orgin
medial epicondyle of the humerus
palmaris longus insertions
flexor retinaculum and palmar aponeurosis
palmaris longus actions
tenses the palmar fascia
flexes the wrist
slightly flexes the elbow
flexor carpi ulnaris orgin
humeral head: medial epicondyle
ulnar head: medial aspect of olecranon process and proximal 2/3 of posterior border
flexor carpi ulnaris insertion
pisiform
hook of hamate
base of 5th metacarpal on palmar side
flexor carpi ulnaris actions
flexes the wrist
ulnarly deviates (adducts) the wrist
slightly flexes the elbow
flexor digitorium superficialis orgin
humeral head: medial epicondyle and ulnar collateral ligament
ulnar head: medial aspect of coronoid process
radial head: proximal 1/2 of anterior shaft distal to radial tuberosity
flexor digitorium superficialis insertion
sides of middle phalanges of digits 2-5 by four separate tendons
flexor digitorium superficialis actions
flexes proximal interphalangeal joints of digits 2-5
assists in flexing metacarpophalangeal joints of digits 2-5
assists in flexing the wrist and elbow
flexor digitorium profundus orgin
anterior and medial surfaces of proximal 3/4 of the ulna and interosseous membrane
flexor digitorium profundus insertion
base of distal phalanges of digits 2-5, palmar side by four separate tendons
flexor digitorium profundus actions
flexes distal interphalangeal joints of digits 2-5
assists in flexing proximal interphalangeal joints of digits 2-5
assists in flexing metacarpophalangeal joints of digits 2-5
assists in flexing the wrist
flexor pollicis longus orgin
anterior surface of body of the radius and interosseous membrane
flexor pollicis longus insertion
base of 1st distal phalanx, palmar side
flexor pollicis longus actions
flexes the thumb at carpometacarpal, metacarpophalangeal, and intercarpal joints
assists in flexing the wrists
pronator teres orgin
humeral head: medial epicondyle
ulnar head: medial aspect of coronoid process