Anatomical Area Name Skeletal Attachments Innervation Action Subscapularis Bicep

Question

Anatomical Area Name Skeletal Attachments Innervation Action Subscapularis Biceps brachil Brachialis Brachioradialis Triceps brachii Flexor carpi radialis Flexor carpi ulnaris Muscles of the Arm Flexors of the Forearm Flexor digitorum superficialis Extensor carpi radialis longus Extensors of the Forearm I-Extensor digitorum Extensor carpi ulnaris Gluteus maximus Muscles that Move Gluteus medius Only the Thigh Tensor fasciae latae Adductor longus Adductor magnus lliopsoas Muscles not specifically labeled or viewable on the Muscle labeling document.

Explanation / Answer

1. Subscapularis attached woth subscapular fossa, rotates and adducts the humerus and innervates with lesser tubercle of humerus.

2. Biceps brachii attached with coracoid proces of scapula by short head and supraglenoid tubercle with long head and innervates in radial tuborosity. It flexes elbow and shoulder.

3. Brachialis attached at anterior surface of humerus, flex elbow joint and innervates at coronoid process and tuborosity of ulna.

4. Brachioradialis attached at lateral supracondyler ridge of humerus and causes flexion of elbow and innervates distal radius.

5. Tricep brachii attached by long head infraglenoid tubercle of scapula by lateral head above the radial sulcus, by medial head below the radial sulcus, it extends forearm and shoulder and innervates at olecaron process of ulna.

6. Flexor carpii radius attached at medial epicondyle of humerus, flexion and abduction of wrist and innervates at bases of 2nd and 3rd metacarpel bones.

7. Flexor carpii ulnaris is attached at Medial epicondyle and medial margin on olecranon of ulna and flex and abbduct the wrist and innervates at base of fifth metacarpel bone.

8. Flexor digitorum superficialis attached at medial epicondyle of humerus flexes finger and innervates at anterior margin of phalanges.

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