Psoas Major

Origin: Transverse Processes and bodies of 12th thoracic and all lumbar vertebrae

Insertion: Lesser Trochanter of Femur

Function: Flexion and lateral rotation of thigh, flexion of trunk

Psoas minor

Origin: Transverse Processes and bodies of 12th thoracic and 1st lumbar vertebra

Insertion: Pubis

Function: Flexion and lateral rotation of thigh, flexion of trunk

Iliacus

Origin: Iliac Fossa

Insertion: Lesser Trochanter of Femur

Function: Flexion and lateral rotation of thigh, flexion of trunk

Gluteus Maximus

Origin: Posterior iliac crest, sacrum and coccyx

Insertion: Gluteal tuberosity of femur and iliotibial tract

Function: Extension and Lateral Rotation of Thigh

Gluteus medius

Origin: Ilium

Insertion: Greater trochanter of femur

Function: Abduction and medial rotation of thigh

Gluteus minimus

Origin: Ilium

Insertion: Greater trochanter of femur

Function: Abduction and medial rotation of thigh

Tensor fascia latae

Origin: Anterior superior iliac spine

Insertion: Tibia (via iliotibial tract)

Function: Flexion and abduction of thigh

Sartorius

Origin: Anterior superior iliac spine

Insertion: Medial shaft of tibia

Function: Flextion of leg; flexion, abduction, and lateral rotation of thigh

Rectus femoris

Origin: Anterior inferior iliac spine

Insertion: Patella

Function: Extension of leg, flexion of thigh

Vastus lateralis

Origin: Linea aspera of femur

Insertion: Patella

Function: Extension of leg

Vastus medialis

Origin: Linea aspera of femur

Insertion: Patella

Function: Extension of leg

Vastus intermedius

Origin: Anterior Shaft and linea aspera of femur

Insertion: Patella

Function: Extension of leg

Gracilis

Origin: Pubis

Insertion: Medial shaft of tibia

Function: Flexion of leg, adduction and medial rotation of thigh

Pectineus

Origin: Pubis

Insertion: Proximal shaft of femur

Function: Flexion and adduction of thigh

Adductor Longus

Adductor Brevis

Origin: Pubis

Insertion: Linea Aspera of Femur

Function: Flexion, adduction and medial rotation of thigh

Adductor Magnus

Pubis and Ischium

Linea Aspera of Femur

Flexion, extension, adduction and medial rotation of thigh

Semimebranosus

Semitendinosus

Ischial Tuberosity

Medial Condyle of Tibia and Medial Tibia

Flexion of leg, Extension of Thigh

Biceps Femoris (Long Head)

Ischial Tuberosity

Head of Fibula and lateral condyle of tibia

Flexion of Leg, Extension of Thigh

Biceps femoris (short head)

Linea Aspera of Femur

Head of fibula and lateral condyle of tibia

Flexion of leg, extension of thigh