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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 |