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Gross Anatomy
Common Actions
Action | Muscles |
---|---|
Laterally rotates femur | piriformis, superior gemellus, obturator internus, inferior gemellus, obturator externus, quadratus femoris (GOGPQ) |
Medially rotates femur | tensor fascia lata, gluteus medius, gluteus minimus |
Extend and laterally rotates femur | gluteus maximus |
Flexion of leg @ knee | semitendinosus, semimembranosus, biceps femoris (both heads) |
Dorsal flexion | extensor digitorum longus, extensor hallicus longus |
Dorsal flexion w/ inversion | tibialis anterior |
Dorsal flexion w/ eversion | fibularis tertius |
Adduction of femur | addutor longus, adductor magnus, adductor brevis, gracilis, pectinius |
Extension of leg @ knee | vastus lateralis, vastus intermedius, vastus medialis, rectus femoris (quads) |
Flexion of femur @ hip | iliacus, psoas major |
Upward flexion of pelvis | psoas minor |
Eversion/plantar flexion | fibularis longus, fibularis brevis |
Inversion/plantar flexion | gastrocnemius, soleus, plantaris,tibialis posterior, flexor hallucis longus |
Unlock knee w/ medial rotation | popliteus |
Flexes digits 2-5 | flexor digitorum longus |
Extend digits 2-4 | extensor digitorum brevis |
Extend digit 1 | extensor hallucis brevis |
Abduct digit 5 | abductor digiti quinti |
Abduct digit 1 | abductor hallucis |
Flexed digits 2-5 | flexor digitorum brevis |
Flexes MP joints digits 2-5 | lumbricals |
Assist flexion digits 2-5 | quadratus plantae |
Flexes digit 1 | adductor hallucis, flexor hallucis brevis |
Flexes digit 5 | flexor digiti quinti brevis |