click below
click below
Normal Size Small Size show me how
Muscle Group 11
Muscles That Move the Thigh
Question | Answer |
---|---|
QUADRICEPS Rectus femoris | Origin: Ilium (iliac spine) Insertion: Patella & tibia via the patellar ligament Action: Extends leg at knee & flexes thigh at hip |
QUADRICEPS Vastus lateralis | Origin: Femur (greater trochanter) Insertion: Patella & tibia via the patellar ligament Action: Extends leg at knee |
QUADRICEPS Vastus medialis | Origin: Femur (medial surface) Insertion: Patella & tibia via the patellar ligament Action: Extends leg at knee; Stabilizes patella |
QUADRICEPS Vastus intermedius | Origin: Femur (anterior & lateral surface) Insertion: Patella & tibia via the patellar ligament Action: Extends leg at knee |
HAMSTRINGS Biceps femoris (2 heads) | Origin: Long head - Ischium (ischial tuberosity); Short head - Femur (linea aspera) Insertion: Tibia (lateral condyle); Fibula (head) Action: Flexes & rotates leg laterally; Extends thigh |
HAMSTRINGS Semitendinosus | Origin: Ischium (ischial tuberosity) Insertion: Tibia (upper medial surface of shaft) Action: Flexes & rotates leg medially; Extends thigh |
HAMSTRINGS Semimembranosus | Origin: Ischium (ischial tuberosity) Insertion: Tibia (medial condyle) Action: Flexes & rotates leg medially; Extends thigh |