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Anatomy- Muscles
Question | Answer |
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What is the insertion, origin, and action of the Biceps Brachii? (Long and Short Head) | Origin: Long Head: Supragleniod Tubercle of Scapula Short Head: Coracoid Process of Scapula Insertion: Radial tuberosity Action: -Flexes forearm at elbow - Supinates the forearm - Weakly flexes shoulder |
What is the insertion, origin, and action of the Biceps Femoris? (Long and Short Head) | Origin: Long Head: Superior Medial surface of the Ischial Tuberosity | Short Head: Lateral lip of Linea Aspera Insertion: Lateral surface of fibular head & Lateral condyle of tibia Action: -Flex leg at knee -Laterally rotates knee during extension from |
What is the insertion, origin, and action of the Brachialis? | Origin: Distal 1/2 of anterior surface of humerus Insertion: Tuberosity and coranoid process of ulna Action:Flexes forearm at elbow when forearm is in a semipronated position |
What is the insertion, origin, and action of the Brachioradialis? | Origin: Lateral supracondylar ridge of humerus Insertion: Base of styloid process of radius Action: Flexes the forearm |
What is the insertion, origin, and action of the Deltoid? (Anterior, Middle,Posterior) | Origin:Anterior:Lateral 1/3 of clavicle|Middle:Acromion of scapula|Posterior:Inferior border of spine in scapula Insertion:Anterior,Middle,Posterior:Deltoid Tuberosity Action:Anterior:Medially rotates arm|Middle:Abducts arm|Posterior:Laterally rotates arm |