Muscles of the Gluteus & Thigh

Gluteus Maximus m.

• P: Ilium, Sacrum, Coccyx

• D: Iliotibial Tract & Femur

• Actions on Femur:

• Extension @ Hip

• Assists with Lateral Rotation @ Hip

Gluteus Medius m.

• P: Ilium

• D: Femur (Greater Trochanter)

• Actions on Femur:

• Abduct @ Hip

• Stabilize the Hip Joint/Pelvis when contralateral leg is raised

Gluteus Minimus m.

• P: Ilium

• D: Femur (Greater Trochanter)

• Actions on Femur:

• Same as Gluteus Medius

Piriformis m.

• P: Sacrum

• D: Femur (Greater Trochanter)

• Actions on Femur:

• Lateral Rotation @ Hip

Tensor of Fascia Lata m.

• P: Ilium (Near ASIS)

• D: Iliotibial Tract

• Actions @ hip:

• Abduction

• Flexion

• Stabilize when standing

Iliopsoas m.

• P: Lumbar Vertebrae (Psoas Major)

• P: Ilium (Iliac Crest & Fossa) (Iliacus)

• D: Femur (Lesser Trochanter)

• Actions on Femur:

• Primary Flexor @ Hip

Sartorius m.

• P: Ilium (ASIS)

• D: Tibia

• Actions @ Hip:

• Flexion

• Actions @ Knee:

• Flexion

Rectus Femoris m.

• P: Ilium (AIIS)

• D: Patella/ Tibial Tuberosity

• Actions @ Hip:

• Assists in flexion (maintain flexion)

• Actions on Patella/Tibia:

• Extends Leg @ Knee

Vastus Lateralis m.

• P: Femur (Greater Trochanter &

Linea Aspera)

• D: Patella/ Tibial Tuberosity

• Actions on Tibia:

• Extension @ Knee

Vastus Medialis m.

• P: Femur (Linea Aspera)

• D: Patella/ Tibial Tuberosity

• Actions on Tibia:

• Extension @ Knee

Vastus Intermedius m.

• P: Femur (anterior surface)

• D: Patella/ Tibial Tuberosity

• Actions on Tibia:

• Extension @ Knee

Gracilis m.

• P: Pubis

• D: Tibia

• Actions @ Hip:

• Adduction

• Actions @ Knee:

• Flexion

Adductor Longus m.

• P: Pubis

• D: Femur (Linea Aspera)

• Actions on femur:

• Adduction @ hip

Pectineus m.

• P: Pubis

• D: Femur

• Actions on femur:

• Adduction @ hip

• Assists in flexion @ hip

Adductor Brevis m.

• P: Pubis

• D: Femur (Linea Aspera)

• Actions on femur:

• Adduction @ hip

Adductor Magnus m.

---Adductor Component:

• P: Pubis & Ischium

• D: Femur (Linea Aspera)

• Actions on femur:

• Adduction @ hip

---Hamstring Component:

• P: Ischium (Ischial Tuberosity)

• D: Femur (Adductor Tubercle on

Medial Epicondyle)

• Actions on femur:

• Extension @ hip

Semitendinosus m. & Semimembranosus m.

• P: Ischium (Ischial Tuberosity)

• D: Tibia

• Actions @ hip:

• Extension

• Actions @ Knee:

• Flexion

Biceps Femoris m.

---Long Head

• P: Ischium (Ischial Tuberosity)

• D: Fibula

• Actions @ hip:

• Extension

• Actions @ Knee:

• Flexion

---Short Head

• P: Femur (Linea Aspera)

• D: Fibula

• Actions @ Knee:

• Flexion