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Muscles - Thigh
Muscles of the Thigh
Term | Definition |
---|---|
gluteus maximus | origin: iliac crest of ilium, sacrum, and coccyx |
gluteus maximus | insertion: iliotibial tract and gluteal tuberosity of femur |
gluteus maximus | action: extension and lateral rotation at hip |
gluteus medius | origin: anterior iliac crest and lateral surface of ilium |
gluteus medius | insertion: greater trochanter of femur |
gluteus medius | action: abduction and medial rotation at hip |
gluteus minimus | origin: lateral surface of ilium |
gluteus minimus | insertion: greater trochanter of femur |
gluteus minimus | action: abduction and medial rotation of hip |
tensor fasciae latae | origin: iliac crest and surface of ilium between anterior iliac spines |
tensor fasciae latae | insertion: iliotibial tract |
tensor fasciae latae | action: flexion, abduction, and medial rotation at hip; tenses fascia lata, which laterally supports the knee |
adductor magnus | origin: inferior ramus of pubis posterior to the adductor brevis |
adductor magnus | insertion: linea aspera of femur |
adductor magnus | action: adduction at hip joint; superior portion produces flexion; inferior portion produces extension |
adductor longus | origin: inferior ramus of pubis anterior to adductor brevis |
adductor longus | insertion: linea aspera of femur |
adductor longus | action: adduction, flexion, and medial rotation at hip |
adductor brevis | origin: inferior ramus of pubis |
adductor brevis | insertion: linea aspera of femur |
adductor brevis | action: adduction, flexion, and medial rotation at hip |
gracilis | origin: inferior ramus of pubis |
gracilis | insertion: medial surface of tibia inferior to medial condyle |
gracilis | action: flexion at knee; adduction and medial rotation at hip |
psoas major | origin: anterior surfaces and transverse processes of T12 and lumbar vertebrae |
psoas major | insertion: lesser trochanter in company with iliacus |
psoas major | action: flexion at hip and/or lumbar intervertebral joints |