Superfical Muscles of the Arm and Forearm Anterior View Flashcards
what is the origin, insertion, action and innervation of caracobrachialis?
oirgin: coracoid process
insertion: middle medial surface of the humerus
action: flexion of the arm at the shoulder joint
innervation: musculocutaneous nerve
what is the origin, insertion, action and innervation of biceps brachii
Origin:
short head: coracoid process
long head: supraglenoid tubercle
Insertion: radial tuberosity
action: flexion and supination of the forearm of the elbow joint
innervation: musculocutaneous nerve
what is the origin, insertion, action and innervation of triceps brachii?
Origin:
long head: infraglenoid tubercle
lateral head: humerus above the radial groove
medial head: humerus below the radial groove
Insertion: olecranon process of the ulna
action: extension of the forearm at the elbow joint
innervation: radial nerve
what is the origin, insertion, action and innervation of the brachialis?
origin: lower anterior surface of the humerus
insertion: coranoid process of the ulna
action: flexion of the forearm at the elbow joint
innervation: musculocutaneous nerve
what is the origin, insertion, action and innervation of pronator teres?
no origin or insertion!!
action: pronation of the forearm
innervation: median nerve
what is the origin, insertion, action and innervation of the flexor carpi radialis?
no origin or insertion!!
action: flexion and abduction of the hand at the wrist joint
innervation: median nerve
what is the origin, insertion, action and innervation of palmaris longus?
no origin or insertion!!
action: flexion of the hand at the wrist joint
innervation: median nerve
what is the origin, insertion, action and innervation of
what is the origin, insertion, action and innervation of flexor carpi ulnaris?
no origin or insertion
action: flexion and adduction of the hand at the wrist joint
innervation: ulnar nerve
what is the origin, insertion, action and innervation of brachioradialis?
no origin or insertion
action: flexion of the forearm at the elbow joint
innervation: radial nerve
— only posterior forearm muscle
responsible for the action
of flexion
