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UE - Muscles
Upper Arm
Question | Answer |
---|---|
Coracobrachialis - Origin | 1st Rib at the Costochondral Junction |
Coracobrachialis - Insertion | Middle 1/3rd Clavicle Inferior Surface |
Coracobrachialis - Innervation | Nerve to Subclavius (C5-C6) |
Coracobrachialis - Action | Humerus flexion & Adduction |
Coracobrachialis - Blood Supply | Brachial A. |
Biceps Brachii - Origin | Long Head: Supragleniod Tubercle of Scapula Short Head: Coracoid Process |
Biceps Brachii - Insertion | Radial Tuberosity & Bicipital Aponeurosis |
Biceps Brachii - Innervation | Musculocutaneous N. (C5-C7) |
Biceps Brachii - Action | Humerus: Flexion Forearm: Flexion & Supination |
Biceps Brachii - Blood Supply | Brachial A. |
Brachialis - Origin | Distal 1/2 of Anterior Humerus |
Brachialis - Insertion | Ulnar Tuberosity & Coronoid Process |
Brachialis - Innervation | Musculocutaneous N. (C5-C7) |
Brachialis - Action | Forearm flexion |
Brachialis - Blood Supply | Radial Recurrent A. |
Triceps Brachii - Origin | Long Head: Infraglenoid Tubercle of Scapula Lateral Head: Posterior Surface of Lateral Humerus Superior to Radial Groove Medial Head: Posterior Surface of Medial Humerus Inferior to Radial Groove |
Triceps Brachii - Insertion | Olecranon Process of Ulna |
Triceps Brachii - Innervation | Radial N. (C5-T1) |
Triceps Brachii - Action | Humerus extension & Forearm extension |
Triceps Brachii - Blood Supply | Deep Brachial A. |