Coracobrachialis | Origin: Coracoid Process
Insertion: Medial Humerus (Middle)
Action: Adducts and Flexes Humerus at the Shoulder
Innervation: Musculocutaneous Nerve |
Brachialis | Origin: Anterior Humerus
Insertion: Coronoid Process and Ulnar Tuberosity
Action: Flexes Forearm at the Elbow
Innervation: Musculocutaneous Nerve |
Biceps Brachii (Long Head) | Origin: Upper Margin of Glenoid Fossa of Scapula
Insertion: Radial Tuberosity
Action: Flexes Humerus at shoulder, Flexes Forearm at elbow, and supinates hand
Innervation: Musculocutaneous Nerve |
Biceps Brachii (Short Head) | Origin: Coracoid Process (Scapula)
Insertion: Radial Tuberosity
Action: Flexes Humerus at Shoulder, Flexes Forearm at elbow, Supinates Hand
Innervation: Musculocutaneous Nerve (Major Nerve of Brachial Plexus) |