Knee Muscles Flashcards
Quadriceps- Rectus Femoris
Action:
Knee Extension
Hip Flexion (strong flexor)
Nerve:
Femoral Nerve
Quadriceps- Vastus Medialis
Action:
Knee Extension
Nerve:
Femoral Nerve
Quadriceps- Vastus Lateralis
Action:
Knee Extension
Nerve:
Femoral Nerve
Quadriceps- Vastus Intermedius
Action:
Knee Extension
Nerve:
Femoral Nerve
Sartorius
Action:
Knee Flexion
Knee(flexed) Internal(Medial) Rotation
Hip Flexion
Hip External(Lateral) Rotation
Hip Abduction
Nerve: Femoral Nerve
Popliteus
Action:
Knee Flexion
Knee(Flexed) Internal(Medial) Rotation
Nerve: Tibial Nerve
Gracilis
Action:
Knee Flexion
Knee(Flexed) Internal(Medial) Rotation
Hip Adduction Hip Internal(Medial) Rotation
Nerve: Obturator Nerve
Hamstrings: Biceps Femoris
Action:
Knee Flexion
Knee(Flexed) External(Lateral) Rotation
Long Head:
Hip Extension
Hip External(Lateral) Rotation
Nerve:
Long Head: Sciatic(tibial branch) Nerve
Short Head: Sciatic(peroneal branch) Nerve
Hamstrings: Semitendinosus
Action:
Knee Flexion
Knee(Flexed) Internal(Medial) Rotation
Hip Extension Hip Internal(Medial) Rotation
Nerve:
Sciatic(tibial branch) Nerve
Hamstrings:
Semimembranosus
Action:
Knee Flexion
Knee(Flexed) Internal(Medial) Rotation
Hip Extension Hip Internal(Medial) Rotation
Nerve:
Sciatic(tibial branch) Nerve
Gastrocnemius
Action:
Knee Flexion
Ankle Plantarflexion
Nerve:
Tibial Nerve
Plantaris
Action:
Knee Flexion
Ankle Plantarflexion
Nerve:
Tibial Nerve
