-
Rectus Femoris O/I
- O-Anterior inferior iliac spine (AIIS)
- I-Tibial tuberosity (via patella & patella ligament)
-
Rectus Femoris N/A
- N-Femoral nerve (L2, L3, L4)
- A-Extension of knee (tibiofemoral) joint
- Helps iliopsoas flex hip (coxal) joint
-
Vastus Intermedius O/I
- O-Anterior & lateral shaft of femur
- I-Tibial tuberosity (via patella & patella ligament)
-
Vastus Intermedius N/A
- N-Femoral nerve (L2, L3, L4)
- A-Extension of knee (tibiofemoral) joint
-
Vastus Medialis O/I
- O-Medial lip of Linea Aspera
- I-Tibial tuberosity (via patella & patella ligament)
-
Vastus Medialis N/A
- N-Femoral nerve (L2, L3, L4)
- A-Extension of knee (tibiofemoral) joint
-
Vastus Lateralis O/I
- O-Greater trochanter
- Gluteal tuberosity
- Lateral lip linea aspera (continuous attachment)
- I-Tibial tuberosity (via patella & patella ligament)
-
Vastus Lateralis N/A
- N-Femoral nerve (L2, L3, L4)
- A-Extension of knee (tibiofemoral) joint
-
Biceps Femoris O/I
- O-Long head-Ischial tuberosity
- Short head-linea aspera (lateral lip)
- I-Head of fibula (via a common tendon)
-
Biceps Femoris N/A
- N-Long head-Sciatic nerve (tibial div, L5, S1, S2)
- Short head-Sciatic nerve (common fibular)
- A-Flexion of knee (tibiofemoral) joint
- Laterally rotate flexed knee (tibiofemoral) joint
- Long head-Extension of hip (coxal) joint
- Assists lateral rotation of hip (coxal)
- Posteriorly tilts pelvis
-
Semitendinosus O/I
- O-Ischial tuberosity
- I-Pes anserinus tendon (proximal, medial tibia)
-
Semitendinosus N/A
- N-Sciatic nerve tibial division (L5, S1, S2)
- A-Flextion of knee (tibiofemoral) joint
- Medially rotate flexed knee (T/F) joint
- Extend hip (coxal) joint
- Assist to medially rotate hip (coxal) joint
- Posteriorly tilt pelvis
-
Semimembranosus O/I
- O-Ischial tuberosity
- I-Medial condyle of tibia (posterior aspect)
-
Semimembranosus N/A
- N-Sciatic nerve, tibial division (L5, S1, S2)
- A-
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