Muscle

Origin Lateral border of ischial tuberosity Insertion Below intertrochanteric crest (quadrate line) Actions Laterally rotates thigh Nerve Branch from sacral plexus (L5, S1) Note

Origin Outer surface of superior and inferior rami of pubis and ramus of ischium surrounding obturator foramen Insertion Trochanteric fossa of femur Actions Laterally rotates thigh Nerve Obturator...

Origin Pelvic surface of obturator membrane and surrounding bones (ilium, ischium, pubis) Insertion Common tendon with superior and inferior gemelli to medial surface of upper border of greater...

Origin Upper margin of ischial tuberosity Insertion With tendon of obturator internus into medial surface of upper border of greater trochanter Actions Laterally rotates thigh Nerve Branch of nerve...

Origin Spine of ischium Insertion With tendon of obturator internus into medial surface of upper border of greater trochanter Actions Laterally rotates thigh Nerve Branch of nerve to obturator...

Origin Outer surface of ilium between middle (anterior) and inferior gluteal lines Insertion Anterior surface of greater trochanter Actions Abducts femur, rotates thigh medially Nerve Superior...

Origin Pectineal line on superior branch of pubis Insertion From lesser trochanter to linea aspera of femur Actions Flexes thigh, assists in adduction when hip is flexed Nerve Femoral nerve (L2,...

Origin Outer surface of inferior branch of pubis. Insertion From below lesser trochanter to linea aspera and into proximal part of linea aspera. Actions Adducts thigh, assists in flexion, medial...

Origin Anterior of body of pubis. Insertion Medial lip of linea aspera of femur. Actions Adducts, flexes thigh, assists in medial rotation. Nerve Obturator nerve (L2–L4). Note The rotational...

Origin Inferior branch of pubis, branch and lower part of tuberosity of ischium. Insertion Linea aspera, adductor tubercle of femur. Actions Adducts, extends thigh, lower portion (adductor tubercle...

Origin Biceps Femoris: Long head—ischial tuberosity, sacrotuberous ligamentShort head—linea aspera, lateral supracondylar ridge, lateral intermuscular septum Semitendinosus: Ischial tuberosity...

Origin Outer edge of iliac crest between anterior superior iliac spine and iliac tubercle Insertion Iliotibial tract on upper part of thigh. The iliotibial tract inserts at Gerdy's tubercle in the...

Origin Lateral surface of lateral condyle of femur Insertion Upper part of posterior surface of tibia Actions Rotates leg medially, flexes leg. The Popliteus comes into action especially at the...

Origin Lower margin of body and inferior ramus of pubis Insertion Upper part of medial surface of shaft of tibia Actions Adducts thigh at hip joint and flexes leg, with leg flexed, assists in medial...

Origin Anterior superior iliac spine and area immediately below it Insertion Upper part of medial surface of shaft of tibia Actions Flexes, abducts, and laterally rotates thigh, flexes and slightly...