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MM Actions
Muscles and their actions
| Question | Answer |
|---|---|
| Gluteus Maximus | Extension and lateral rotation of hip or thigh |
| Gluteus Medius | Abducts thigh |
| Gluteus Minimus | Abducts thigh |
| Glueteus minimus | Abducts thigh, medially rotates hip |
| Tensor fasciae latae | Flex, abduct, and medially rotate hip |
| Piriformis | Lateral rotation of hip or thigh, some abduction |
| Gemellus Superior | Lateral rotation of hip or thigh, some abduction |
| Gemellus Inferior | Lateral rotation of hip, some abduction |
| Quadratus femoris | Lateral rotation of thigh |
| Obturator externus | Lateral rotation of thigh |
| Psoas major | flexes thigh, flexes trunk or hip |
| Iliacus | Flexes hip |
| Satorius | Flexes leg and thigh |
| Rectus femorus | Extension of leg |
| Vastus lateralis, medialis, intermedius | Extension of leg or knee |
| Gracilis | Flexes knee |
| Pectineus | Adducts, flexes hip (thigh) |
| Adductor longus | Adducts, flexes hip |
| Adductor brevis | Adducts hip |
| Adductor magnus | Adducts hip |
| Bicep femoris | Flexes leg and extends thigh |
| Semitendinosus | Flexes leg and extends thigh |
| Semimembranosus | Flexes leg and extends thigh |
| Tibialis anterior | Dorsiflexes and inverts foot |
| Extensor digitorum longus | Extends digits 2-5, dorsiflexes foot |
| Extensor hallicus longus | Extends hallux, dorsiflexes and inverts foot |
| Fibularis tertius (peroneus) | Dorsiflexes and everts foot |
| Fibularis longus and brevis | Plantar flexes and everts foot |
| Gastrocnemius | Flexes leg, plantar flexes foot |
| Soleus | Plantar flexes foot |
| Plantaris | Flexes leg, plantar flexes foot |
| Popliteus | Flexes leg, rotates tibia medially |
| Flexor hallucis longus | Flexes hallux, plantar flexes foot |
| Flexor digitorum longus | Flexes digits 2-5, plantar flexes and inverts foot |
| Tibialis Posterior | Plantar flexes and inverts foot |
| Extensor digitorum brevis | extends digits 1-4 |
| Pronator Teres (Anterior Forearm superficial) | Pronates forearm and flexes elbow |
| Flexor carpi radialis (Anterior Forearm superficial) | Flexes wrist and abducts hand |
| Palmaris longus (Anterior forearm superficial) | Flexes wrist |
| Flexor carpi ulnaris (Anterior forearm superficial) | Flexes wrist and adducts hand |
| Flexor digitorum superficialis (Anterior forearm superficial) | Flexes digits 2-5 and flexes wrist |
| Flexor digitorum profundus (Anterior forearm deep) | Flexes digitis 2-5 and flexes wrist |
| Flexor pollicis longus (Anterior forearm deep) | Flexes first digit and flexes wrist |
| Pronator quadratus (Anterior forearm deep) | Pronates forearm |
| Brachioradialis (Posterior forearm superficial) | Flexes forearm (elbow) |
| Extensor Carpi Radialis Longus (Posterior forearm superficial) | Extends and abducts hand |
| Extensor carpi radialis brevis (Posterior forearm superficial) | Extends and abducts hand |
| Extensor digitorum (PFS) | Extends fingers, extends wrist |
| Extensor digiti minimi (PFS) | Extends digiti minimi and wrist |
| Extensor carpi ulnaris (PFS) | Extends and adducts hand |
| Anconeus (PFS) | Assists in extension of forearm |
| Aductor pollicis longus (PFD) | Adbucts and extends thumb |
| Extensor pollicis brevis (PFD) | Extends thumb |
| Extensor pollicis longus (PFD) | Extends thumb |
| Extendor indicis (PFD) | Helps extend index finger |
| Abductor pollics brevis | Abducts thumb |
| Opponens pollicis | Abducts, flexes, rotates first metacarpal |
| Flexor pollicis brevis | Flexes thumb |
| Adductor pollicis | Adducts thumb |
| Palmaris brevis | Wrinkles skin |
| Abductor digiti minimi | Abducts little finger |
| Flexor digiti minimi brevis | Flexes little finger |
| Opponens digiti minimi | Abducts, flexes, rotates 5th metacarpal |
| Lumbricals | Flex MP joints 2-5, extend IP 2-5 |
| Dorsal interossei | Abducts fingers |
| Palmar interossei | Adduct fingers |
| Teres major | Adducts, extends, and medially rotates arm |
| Teres Minor | Lateral rotation of humerus |
| Infraspinatus | Lateral rotates humerus |
| Supraspinatus | Abducts humerus |
| Subscapularis | Medially rotates humerus |
| Latissimus Dorsi | Adducts, extends, and medially rotates humerus |
| Pectoralis Major | Adducts and medially rotates humerus |
| Pectoralis Minor | Protracts Scapula |
| Subclavius | Fixes Clavicle |
| Trapezius | Elevates, retracts scapula |
| Levator Scapulae | Elevates scapula |
| Rhomboid | Retracts Scapula |
| Serratus Anterior | Holds scapula to body |
| Tricep brachii | extends elbow |
| Brachialis | Prime mover for flexing elbow |
| Bicep brachii | Supinates forearm, flexes forearm |
| Coracobrachialis | Flexion and addcution of arm |
| Deltoid | Anterior- Flexes and medially rotates armMiddle- Abducts armPosterior- Extends and laterally rotates arm |
Created by:
jeffjan01
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