1. Anterior and Medial Thigh Muscles Flashcards
Iliopsoas M.
Combination of Iliacus, Psoas major and minor muscles
Action: Cheif flexor of the thigh
Innervation: Femoral/ Ventral rami L1-L3
Blood Supply: Multiple
Sartorius M. (longest muscle in body)
Action: Flex, abduct, and laterally rotate thigh, flex leg at knee
Innervation: Femoral N.
Blood Supply: Femoral A.
Rectus Femoris M.
Action: Extend leg at knee, assist iliopsoas in thigh flexion
Innervation: Femoral N.
Blood Supply: Lateral Femoral circumflex A.
Vastus Lateralis M.
Action: Extend leg at knee
Innervation: Femoral N.
Blood Supply: Femoral A.
Vastus Medialis M.
Action: Extend leg at knee
Innervation: Femoral N.
Blood Supply: Femoral A.
Vastus Intermedius M.
Action: Extend leg at knee
Innervation: Femoral N.
Blood Supply: Femoral A.
Quadriceps femoris M. (4)
Rectus femoris, vastus lateralis, vastus medialis, vastus intermedius Mm. Common insertion, all leg extender
Articularis Genu M.
Action: Tightens capulse of knee during leg extension
Innervation: Femoral N.
Blood Supply: Femoral A.
Pectineus M.
Action: Adduct and flex thigh
Innervation: Femoral N.
Blood Supply: Obturator A.
Adductor Longus M.
Action: Adduct thigh
Innervation: Obturator N (L2-L4).
Blood Supply: Deep femoral A.
Adductor Brevis M.
Action: Adduct thigh, assist in thigh flexion
Innervation: Obturator N.
Blood Supply: Deep femoral A.
Adductor Magnus M.
Action: Whole: adduct thigh, Upper: flex, Lower: extend thigh
Innervation:
Upper: posterior division obturator N.
Lower: Tibial division sciatic N.
Blood Supply: Deep Femoral A.
Gracilis M.
Action: Adduct thigh, assist in medial rotation, flex leg
Innervation: Obturator N.
Blood Supply: Medial circumflex femoral A.
