Muscle | Origin | Insertion | Artery | Nerve | Action | Antagonist | |
---|---|---|---|---|---|---|---|
coracobrachialis | तुंडप्रगंडिका | coracoid process of scapula | medial surface of humerus | brachial artery | musculocutaneous nerve | flexes and adducts shoulder | |
biceps brachii | प्रगंडद्विशिरस्का | short head: coracoid process of scapula | radial tuberosity, bicipital aponeurosis | musculocutaneous nerve (lateral cord: C5, C6, C7) | flexes elbow, supinates forearm | triceps brachii | |
long head: supraglenoid tubercle | |||||||
brachialis | प्रगंडिका | anterior surface of humerus (mainly distal half) | coronoid process of ulna, tuberosity of ulna | radial recurrent artery | musculocutaneous nerve | flexes elbow |
Muscle | Origin | Insertion | Artery | Nerve | Action | Antagonist | |
---|---|---|---|---|---|---|---|
triceps brachii | त्रिशिरस्का | long head: infraglenoid tubercle of scapula | olecranon of ulna | deep artery of arm | radial nerve | extends forearm | biceps brachii, brachialis |
lateral head: posterior humerus (above radial sulcus) | long head: adducts shoulder medial head: does not function at shoulder | ||||||
medial head: posterior humerus - (below radial sulcus) | |||||||
anconeus | कूर्परपृष्ठिका | lateral epicondyle of humerus | lateral surface of olecranon, superior part of posterior ulna | deep artery of arm, interosseous recurrent artery | radial nerve (C7, C8, and T1) | partly blended with triceps, extendsforearm, stabilises elbow, abducts ulna during pronation |