Unit 2a Lower Limb Muscles

Bio 2300

Gluteus Maximus M

Gluteus Medius M

Gluteus Minimums M

Iliotibial Tract

Piriformis

Sarcotuberous Ligament

Iliopsoas

Rectus Femoris

Sartoris

Tendon of quadriceps femoris m

Tensor fasciae latae m.

Vastus intermedius m

Vastus lateralis m

Vastus medialis m.

Adductor brevis m.

Adductor Longus

Adductor magnus m.

Gracilis m.

Pectineus m.

Long head of biceps femoris m.

Semimembranosus m.

Semitendinosus m.

Short head of biceps femoris m.

Origin of gracilis m.

Origin of piriformis m.

Origin of rectus femoris m.

Origin of sartorius m.

Insertion of adductor magnus m.

Insertion of gluteus Medius m.

Insertion of iliopsoas m.

Origin of long head of biceps femoris m.

Origin of semimembranosus m.

Origin of semitendinosus m.

Gluteus Maximus (action)

Extension of thigh at hip and lateral rotation of thigh at hip

Gluteus Medius m.

Abduction of thigh at hip joint and medial rotation of thigh at hip joint

Iliopsoas m.

flexion of thigh at hip joint

Adductor Magnus m.

Adduction of thigh at hip joint and extension of the thigh at hip joint

Quadriceps Femoris m.

Extension of leg at knee joint and flexion of thigh (rector femoris only) at hip joint.

Sartorius

Flexion, abduction and lateral rotation of thigh at hip joint / Flexion of leg at knee joint

Hamstring mm

Extension of thigh at hip joint (long head of biceps femoris, semimembranosus, and semitendinosus mm.),Flexion of leg at knee joint (short and long head of biceps femoris, semimembranosus, and semitendinosus mm.), Medial rotation of leg at knee joint (semimembranosus and semitendinosus mm.) and Lateral rotation of leg at knee joint (short and long head of biceps femoris m.)