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Nat. Review chpt. 7e
Muscles of the hip and thigh
Muscle | Attachment 1 (origin) | Attachment 2 (insertion) | Action 1 | Action 2 | Other actions | Innervation |
---|---|---|---|---|---|---|
Gluteus maximus | Posterior iliac crest, posterolateral sacrum, coccyx | Gluteal tuberosity and iliotibial band | Thigh extension | Lateral (external) rotation of the thigh | Abduction and adduction of the thigh; Posterior tilt of the pelvis | Inferior Gluteal Nerve |
Gluteus medius | External ilium | Greater trochanter of the femur | Abduction of the thigh | Medial (internal) rotation of the thigh | Flexion of the thigh; Extension of the thigh; Flexion of the thigh; Lateral (external) rotation of the thigh; Posterior tilt of the pelvis; Anterior tilt of the pelvis | Superior Gluteal Nerve |
Gluteus minimus | External Ilium | Greater trochanter of the femur | Abduction of the thigh | Internal (medial) rotation of the thigh | Flexion of the thigh; Extension of the thigh; Lateral rotation of the thigh; Posterior tilt of the pelvis; Anterior tilt of the pelvis | Superior Gluteal Nerve |
Piriformis | Anterior sacrum | Greater trochanter of the femur | Lateral (external) rotation of the thigh | Lumbosacral Plexus | ||
Tensor fasciae latae | Anterior superior iliac spine | Iliotibial band | Abduction of the thigh | Flexion of the thigh | Medial (internal) rotation of the thigh; Anterior tilt of the pelvis; Leg extension | Superior Gluteal Nerve |
Psoas major | Anterolateral lumbar spine | Lesser trochanter of the femur | Thigh flexion | Lateral (external) rotation of the thigh | Flexion of the trunk; Lateral flexion of the trunk; Anterior tilt of the pelvis; Leg abduction | Lumbar Plexus |
Iliacus | Internal ilium | Lesser trochanter of the femur | Thigh flexion | Lateral (external) rotation of the thigh | Anterior tilt of the pelvis; Leg abduction | Femoral Nerve |
Sartorius | Anterior superior iliac spine | Pes anserine tendon | Flexion of the thigh | Lateral (external) rotation of the thigh | Abduction of the thigh; Flexion of the leg; Anterior tilt of the pelvis | Femoral Nerve |
Gracilis | Pectineal line | Pes anserine tendon | Adduction of the thigh | Flexion of the leg | Flexion of the thigh; Anterior tilt of the pelvis | Obturator Nerve |
Psoas minor | Bodies of T12 znd L1 | Pubis | Trunk flexion | Posterior tilt of the pelvis | L1 Spinal Nerve | |
Superior Gemellus | Posterior pelvic bone | Greater trochanter of the femur | Lateral (external) rotation of the thigh | Lumbosacral Plexus | ||
Obturator internus | Internal surface of the pelvic bone surrounding the obturator foramen | Greater trochanter of the femur | ;ateral (external) rotation of the thigh | Lumbosacral Plexus | ||
Inferior gemellus | Ischial tuberosity | Greater trochanter of the femur | Lateral (external) rotation of the thigh | Lumbosacral Plexus | ||
Obturator externus | External surface of the pelvic bone surrounding the obturator foramen | Trochanteric fossa of the femur | Lateral (external) rotation of the thigh | Obturator Nerve | ||
Quadratus femoris | Ischial tuberosity | Intertrochanteric crest of the femur | Lateral (external) rotation of the thigh | Lumbosacral Plexus | ||
Rectus femoris | Anterior inferior iliac spine | Tibial tuberosity | Extension of the leg | Flexion of the thigh | Anterior tilt of the pelvis | Femoral Nerve |
Vastus lateralis | Linea aspera of the femur | Tibial tuberosity | Extension of the leg | Femoral Nerve | ||
Vastus medialis | Linea aspera of the femur | Tibial tuberosity | Extension of the leg | Femoral Nerve | ||
Vastus intermedius | Anterior femur | Tibial tuberosity | Extension of the leg | Femoral Nerve | ||
Pectineus | Inferior ramus of pubis | Proximal posterior shaft of the femur | Adduction of the thigh | Flexion of the thigh | Anterior tilt of the pelvis; Internal rotation | Femoral Nerve |
Adductor longus | Inferior ramus of pubis and ramus of ischium | Linea aspera of the femur | Adduction of the thigh | Flexion of the thigh | Anterior tilt of the pelvis; Internal rotation | Obturator Nerve |
Adductor brevis | Pubis | Linea aspera of the femur | Adduction of the thigh | Flexion of the thigh | Anterior tilt of the pelvis; Internal rotation | Obturator Nerve |
Adductor magnus | Pubis and ischial tuberosity | Linea aspera of the femur | Adduction of the thigh | Flexion of the thigh | Posterior tilt of the pelvis; Internal rotation | Obturator and Sciatic Nerve |
Biceps femoris | Ischial tuberosity and linea aspera | Head of the fibula | Flexion of the leg | Extension of the thigh | Posterior tilt of the pelvis | Sciatic Nerve |
Semitendinosus | Ischial tuberosity | Pes anserine tendon | Flexion of the leg | Extension of the thigh | Posterior tilt of the pelvis | Sciatic Nerve |
Semimembranosus | Ischial tuberosity | Posterior proximal tibia | Flexion of the leg | Extension of the thigh | Posterior tilt of the pelvis | Sciatic Nerve |