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Lower Muscles O& I
Lab
Question | Answer |
---|---|
Rectus femoris | O: Anterior inferior iliac spine I: tibial tuberosity A: Extends knee, flexes thigh |
Vastus lateralis | O: Greater trochanter and linea aspera I: Tibial tuberosity A: Extends leg |
Vastus indermedius | O: Shaft of femur I: tibial tuberosity A: extends leg |
Vastus medialis | O: Intertrochanteric line and linea aspera I: tibial tuberosity A: extends leg |
Sartorius | O: Anterior superior iliac spine I: Pes anserinus (medial to tibial tuberosity) A: flexes thigh and rotates thigh laterally |
Psoas major | O: Transverse processes and bodies T12-L5 I: Lesser trochanter of femur A: flexes thigh and rotates thigh laterally |
Iliacus | O: Iliac fossa I: Lesser trochanter of femur A: Flexes thigh and rotates thigh laterally |
Pectineus | O: Superior ramus of pubis I: Lesser trochanter of femur A: Adducts, flexes, and medially rotates leg |
Gracillis | O: Inferior ramus and body of pubis I: Pes anserinus (medial to tibial tuberosity) A: Adducts lower limb |
Tensor fasciae latae | O: Iliac crest and anterior superior iliac spine I: Iliotibial band A: Abduct thigh |
Biceps femoris | O: Ischial tuberosity and linea aspera I: Head of fibula A: Extends thigh and flexes leg; laterally rotates leg |
Semimembranosus | O: Ischial tuberosity I: Medial condyle of tibia A: Extends thigh and flexes leg; medially rotates leg |
Semitendinosus | O: Ischial tuberosity I: Pes anserinus (medial to tibial tuberosity A: Extends thigh and flexes leg; medially rotates leg |
Gluteus maximus | O: Iliac crest, sacrum, coccyx I: Gluteal tuberosity, linea aspera, and iliotibial band A: Extends thigh |
Gastrocnemius | O: Medial and lateral epicondyles of femur I: Calcaneus (via calcaneal tendon) A: Plantar fexes foot |
Soleus | O: Shaft of tibia and fibula I: Calcaneus (via calcaneal tendon) A: plantar flexes foot |
Plantaris | O: Lateral supracondylar ridge of femur I: calcaneus A: Plantar flexes foot |
Popliteus | O: lateral condyle of femur I: posterior surface of tibia A: flexes leg, medial rotation |