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Posterior Hip
Muscles of the Posterior Hip
| Question | Answer |
|---|---|
| What is the Origin of the Gluteus Maximus | Coccyx, edge of sacrum, posterior iliac crest, sacrotuberous and sacroiliac ligs |
| What is the Origin of the Gluteus Medius | Gluteal surface of ilium (Med) |
| What is the Origin of the Gluteus Minimus | Gluteal surface of ilium (Min) |
| What is the Origin of the Piriformis | Anterior surface of sacrum |
| What is the Origin of the Obturator Internus | Obturator membrane & inferior surface of obturator foramen |
| What is the Origin of the Obturator externus | Superior & inferior rami of pubis |
| What is the Origin of the Gemellus Superior | Ischial spine |
| What is the Origin of the Gemellus Inferior | Posterior superior surface of ischial tuberosity |
| What is the Origin of the Quadratus Femoris | Lateral border of ischial tuberosity |
| What is the Insertion of the Gluteus Maximus | Gluteal tuberosity (lower fibres) and Iliotibial tract (upper fibres) |
| What is the Insertion of the Gluteus Medius | Greater trochanter |
| What is the Insertion of the Gluteus Minimus | Anterior border of greater trochanter |
| What is the Insertion of the Piriformis | Superior surface of greater trochanter |
| What is the Insertion of the Obturator Internus | Medial surface of greater trochanter |
| What is the Insertion of the Obturator externus | Troachanteric fossa of femur |
| What is the Insertion of the Gemellus Superior | Upper border of greater trochanter (Sup) |
| What is the Insertion of the Gemellus Inferior | Upper border of greater trochanter (Inf) |
| What is the Insertion of the Quadratus Femoris | Intertrochanteric crest, between greater & lesser trochanters |
| What is the Action of the Gluteus Maximus | All fibres: Extend hip/lat.rot. hip & abduct hip Lower fibres: adduct hip |
| What is the Action of the Gluteus Medius | All fibres: Abduct hip Anterior fibres: flex & medially rotate hip Posterior fibres: Extend & laterally rotate hip |
| What is the Action of the Gluteus Minimus | Abduct, medially rotate and flex hip |
| What is the Action of the Piriformis | Laterally rotate hip. Abducts hip when hip is flexed |
| What is the Action of the Obturator Internus | Laterally rotate hip (OI) |
| What is the Action of the Obturator externus | Laterally rotate hip (OE) |
| What is the Action of the Gemellus Superior | Laterally rotate hip (GS) |
| What is the Action of the Gemellus Inferior | Laterally rotate hip (GI) |
| What is the Action of the Quadratus Femoris | Laterally rotate hip (QF) |
| Which muscle Originates from the Coccyx, edge of sacrum, posterior iliac crest, sacrotuberous and sacroiliac ligs | Gluteus Maximus |
| Which muscle Originates from the Gluteal surface of ilium (Med) | Gluteus Medius |
| Which muscle Originates from the Gluteal surface of ilium (Min) | Gluteus Minimus |
| Which muscle Originates from the Anterior surface of sacrum | Piriformis |
| Which muscle Originates from the Obturator membrane & inferior surface of obturator foramen | Obturator Internus |
| Which muscle Originates from the Superior & inferior rami of pubis | Obturator externus |
| Which muscle Originates from the Ischial spine | Gemellus Superior |
| Which muscle Originates from the Posterior superior surface of ischial tuberosity | Gemellus Inferior |
| Which muscle Originates from the Lateral border of ischial tuberosity | Quadratus Femoris |
| Which muscle Inserts into the Gluteal tuberosity (lower fibres) and Iliotibial tract (upper fibres) | Gluteus Maximus |
| Which muscle Inserts into the Greater trochanter | Gluteus Medius |
| Which muscle Inserts into the Anterior border of greater trochanter | Gluteus Minimus |
| Which muscle Inserts into the Superior surface of greater trochanter | Piriformis |
| Which muscle Inserts into the Medial surface of greater trochanter | Obturator Internus |
| Which muscle Inserts into the Troachanteric fossa of femur | Obturator externus |
| Which muscle Inserts into the Upper border of greater trochanter (Sup) | Gemellus Superior |
| Which muscle Inserts into the Upper border of greater trochanter (Inf) | Gemellus Inferior |
| Which muscle Inserts into the Intertrochanteric crest, between greater & lesser trochanters | Quadratus Femoris |
| Which Muscles Actions are to: All fibres: Extend hip/lat.rot. hip & abduct hip Lower fibres: adduct hip | Gluteus Maximus |
| Which Muscles Actions are to: All fibres: Abduct hip Anterior fibres: flex & medially rotate hip Posterior fibres: Extend & laterally rotate hip | Gluteus Medius |
| Which Muscles Actions are to: Abduct, medially rotate and flex hip | Gluteus Minimus |
| Which Muscles Actions are to: Laterally rotate hip. Abducts hip when hip is flexed | Piriformis |
| Which Muscles Actions are to: Laterally rotate hip (OI) | Obturator Internus |
| Which Muscles Actions are to: Laterally rotate hip (OE) | Obturator externus |
| Which Muscles Actions are to: Laterally rotate hip (GS) | Gemellus Superior |
| Which Muscles Actions are to: Laterally rotate hip ((GI) | Gemellus Inferior |
| Which Muscles Actions are to: Laterally rotate hip (QF) | Quadratus Femoris |
Created by:
Arran105
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