muscle that cross two joints

Question 1

Sartorius

Answer 1

Action:
Hip Flexion
Hip External(Lateral) Rotation
Hip Abduction

Knee Flexion
Knee(flexed) Internal(Medial) Rotation

Nerve: Femoral Nerve

Question 2

Quadriceps- Rectus Femoris

Answer 2

Action:
Hip Flexion (strong flexor)

Knee Extension

Nerve:
Femoral Nerve

Question 3

Gracilis

Answer 3

Action:
Hip Adduction
Hip Internal(Medial) Rotation

Knee Flexion
Knee(Flexed) Internal(Medial) Rotation

Nerve: Obturator Nerve

Question 4

Hamstrings- Biceps Femoris

Answer 4

Action:
Long Head:
Hip Extension
Hip External(Lateral) Rotation

Knee Flexion
Knee(Flexed) External(Lateral) Rotation

Nerve:
Long Head: Sciatic(tibial branch) Nerve
Short Head: Sciatic(peroneal branch) Nerve

Question 5

Hamstrings: Semitendinosus

Answer 5

Action:
Hip Extension
Hip Internal(Medial) Rotation

Knee Flexion
Knee(Flexed) Internal(Medial) Rotation

Nerve:
Sciatic(tibial branch) Nerve

Question 6

Hamstrings:

Semimembranosus

Answer 6

Action:
Hip Extension
Hip Internal(Medial) Rotation

Knee Flexion
Knee(Flexed) Internal(Medial) Rotation

Nerve:
Sciatic(tibial branch) Nerve

Question 7

Gastrocnemius

Answer 7

Action:
Knee Flexion

Ankle Plantarflexion

Nerve:
Tibial Nerve

Question 8

Plantaris

Answer 8

Action:
Knee Flexion

Ankle Plantarflexion

Nerve:
Tibial Nerve