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SPM210 LL Muscles
Origin/Insertion/Action of lower limb muscles
Question | Answer |
---|---|
Psoas Major | Origin: T12-L5. Insertion: Lesser Trochanter with Iliacus muscle. Action: Flexes the thigh at the hip. Commonly called the iliopsoas muscle. |
Iliacus Muscle | Origin: Iliac Fossa. Insertion: Lesser Trochanter with Psoas Major muscle. Action: Flexes the thigh at the hip. Commonly called the Iliopsoas Muscle. |
Tensor Fasciae Latae | Origin: ASIS, Anterior Portion of Iliac Crest. Insertion: IT band, which inserts on the lateral condyle of the tibia. |
Sartorius | ORIGIN: ASIS. INSERTION: Superior part of medial surface of tibia. ACTION: Flexes, abducts, laterally rotates thigh at hip. Flexes, medially rotates leg at knee. |
Rectus Femoris | ORIGIN: Anterior inferior iliac spine and groove superior to acetabulum. INSERTION: Base of patella and to tibial tuberosity via patellar ligament. ACTION: Extends the leg at the knee joint and flexes the thigh at the hip joint |
Vastus Lateralis | ORIGIN: Greater trochanter and lateral lip of linea aspera of femur INSERTION: Base of patella and to tibial tuberosity via patellar ligament. ACTION: Extends the leg at the knee joint. |