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MOINA of the Arm
Origin, Insertion, Nerve supply, Action of muscles of the Arm
| Question | Answer |
|---|---|
| What muscle originates at supraglenoid tubercle of scapula and coracoid process | BICEPS BRACHII |
| Where does biceps brachii inserted? | RADIAL TUBEROSITY |
| What is the innervation of biceps brachii | MUSCULOCUTANEOUS NERVE (C5, C6) |
| What muscle flexes and supinates forearm | BICEPS BRACHII |
| Muscle originated at coracoid process | CORACOBRACHIALIS |
| What muscle is inserted at medial shaft of humerus | CORACOBRACHIALIS |
| Action(s) of coracobrachialis muscle | FLEXION AND WEAK ADDUCTOR |
| Nerve supply of coracobrachialis | MUSCULOCUTANEOUS NERVE (C5, C6, C7) |
| What is the origin of brachialis | ANTERIOR LOWER HALF OF HUMERUS |
| Where does brachialis inserted? | CORONOID PROCESS OF ULNA |
| Innervation of brachialis | MUSCULOCUTANEOUS NERVE (C5, C6) |
| What muscle flexes the elbow joint | BRACHIALIS |
| Inserted at olecranon process of ulna | TRICEPS |
| Originated at infraglenoid tubercle of scapula | LONG HEAD OF TRICEPS |
| Where does the lateral head of triceps originated? | SUPERIOR HALF OF POSTERIOR SHAFT OF HUMERUS |
| Originated at the inferior half of posterior shaft of humerus | MEDIAL HEAD OF TRICEPS |
| Nerve that supplies the triceps | RADIAL NERVE (C6, C7, C8) |
| Action(s) of triceps muscle | EXTENSOR OF ELBOW JOINT (LATERAL AND MEDIAL HEAD) ADDUCTS SHOULDER (LONG HEAD) |
| What muscle is located at the posterior aspect of the arm? | TRICEPS |
| Muscles located at the anterior aspect of the arm | BICEPS BRACHII, CORACOBRACHIALIS, AND BRACHIALIS |
| What nerve innervates the posterior aspect of the arm? | RADIAL NERVE |
| What nerve innervates the anterior aspect of the arm? | MUSCULOCUTANEOUS NERVE |