| A | B |
|---|
| Action of Gluteus maximus | powerful extensor of hip, laterally rotates thigh, upper fibers aid in abduction of thigh and fibers of IT band stabilize a fully extended knee |
| Blood Supply for Gluteus maximus | inferior gluteal artery and superior gluteal artery |
| Nerve for Gluteus maximus | inferior gluteal nerve, L5, S1,2 |
| Action of Biceps femoris | flexor at the knee, laterally rotates thigh if flexed at knee and extends hip |
| Blood Supply for Biceps femoris | perforating branches of profunda femoris and inferior gluteal artery |
| Nerve for Biceps femoris | tibial nerve and common peroneal nerve |
| Action of Gracilis | adducts thigh, flexes knee and medially rotates tibia |
| Blood supply for Gracilis | obturator artery |
| Nerve for Gracilis | obturator nerve |
| Action of Sartorius | flexes hip and knee and laterally rotates thigh if flexed at hip |
| Blood Supply for Sartorius | muscular branches of profunda femoris artery and saphenous branch of descending genicular artery |
| Nerve for Sartorius | branches of femoral nerve |
| Action of Gastrocnemius | plantarflex the ankle, knee flexion and stabilizes ankle and knee when standing |
| Blood Supply for Gastrocnemius | sural branches of popliteal artery, muscular branches of peroneal artery and posterior tibial artery |
| Nerve for Gastrocnemius | tibial nerve, S1, 2 |
| Action of Trapezius | elevates scapula, upward rotation of the scapula, downward rotation of the scapula and retracts scapula |
| Blood Supply for Trapezius | transverse cervical artery |
| Nerve for Trapezius | spinal Accesory (XI) and ventral ramii of C3 and C4 |
| Action of Latissimus dorsi | adduction of humerus, medial rotation of the humerus, extension from flexed position and downward rotation of the scapula |
| Blood Supply for Latissimus dorsi | thoracodorsal artery |
| Nerve for Latissimus dorsi | thoracodorsal nerve, C6,7,8 |
| Action of Rhomboid minor | retract scapula |
| Blood Supply for Rhomboid minor | deep branch of transverse cervical artery or dorsal scapular artery |
| Nerve for Rhomboid minor | dorsal scapular nerve, C5, [C4] |
| Action of Deltoid | abducts arm, flexion and medial rotation and extension and lateral rotation |
| Blood supply for Deltoid | posterior humeral circumflex artery, deltoid branch of thoracoacromial artery |
| Nerve for Deltoid | axillary nerve, C5,6 |
| Action of Infraspinatus | external rotation of the humerus and stabilizes the glenohumeral joint |
| Blood supply for Infraspinatus | suprascapular artery and scapular circumflex artery |
| Nerve for Infraspinatus | suprascapular nerve |
| Action of Digastric | open mouth by depressing mandible and fixes hyoid bone for infrahyoid action |
| Blood supply for Digastric | branches of the external carotid |
| Nerve for Digastric | facial nerve (VII cranial) and mylohyoid nerve |
| Action of Geniohyoid | elevates tongue, depress the mandible and works with mylohyoid |
| Blood Supply for Geniohyoid | lingual artery |
| Nerve for Geniohyoid | branch from C1 (following hypoglossal nerve) |
| Action of Occipitalis | draws back the scalp to raise the eyebrows and wrinkle the brow |
| Blood Supply for Occipitalis | Occipital artery |
| Nerve for Occipitalis | posterior auricular branch of facial nerve |
| Action of Orbicularis oculi | powerfully closes the eye |
| Blood Supply for Orbicularis oculi | ophthalmic artery |
| Nerve for Orbicularis oculi | zygomatic branch of facial nerve |
| Action of Orbicularis oris | closes the lips and protrudes the lips |
| Blood Supply for Orbicularis oris | facial artery |
| Nerve for Orbicularis oris | buccal branch of facial nerve |
| Action of Coracobrachialis | flexes the humerus and assists to adduct the humerus |
| Blood Supply for Coracobrachialis | muscular branches of the brachial artery |
| Nerve for Coracobrachialis | musculocutaneous nerve |
| Action of Biceps brachii | flexes the forearm at the elbow, supinates forearm from neutral, stabilizes anterior aspect of shoulder and flexes shoulder |
| Blood Supply for Biceps brachii | muscular branches of brachial artery |
| Nerve for Biceps brachii | musculocutaneous nerve |
| Action of Extensor carpi radialis brevis | extends the hand at the wrist and radially deviates the hand at the wrist |
| Blood supply for Extensor carpi radialis brevis | radial recurrent artery |
| Nerve for Extensor carpi radialis brevis | deep branch of the radial nerve |
| Action of Palmaris brevis | tenses the skin on the ulnar side, which is used in a grip action |
| Blood Supply for Palmaris brevis | superficial palmar branches of ulnar artery |
| Nerve for Palmaris brevis | superficial branch of ulnar nerve, C8, T1 |
| Action of Opponens digiti minimi | opposes the 5th digit with the thumb and assists to "cup" the palm |
| Blood Supply for Opponens digiti minimi | deep palmar branches of ulnar artery |
| Nerve forOpponens digiti minimi | deep branch of ulnar nerve |
