Lateral Hip Rotators: Difference between revisions
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! Muscle || Origin || Insertion || Innervation | |||
|- | |||
| [[Piriformis]] || Anterior surface of sacrum between and laterally to the anterior sacral foramina || Superior boundary of greater trochanter || Nerve to the piriformis (S1-S2) | |||
|- | |||
| [[Gemelli Muscles|Gemellus Superior]] || Ischial spine || Upper edge of Obturator internus muscle tendon (indirectly greater trochanter) || Nerve to obturator internus (L5-S2) | |||
|- | |||
| [[Internal Obturator]] || Medial surface of obturator membrane and the surrounding bone||Medial surface of greater trochanter||Nerve to obturator internus (L5-S2) | |||
|- | |||
| [[Gemelli Muscles|Gemellus Inferior]] || Just above the tuberosity of the ischium || Lower edge of Obturator internus muscle tendon (indirectly greater trochanter) || Nerve to quadratus femoris (L4-S1) | |||
|- | |||
| [[Quadratus Femoris]] || Lateral edge of the tuberosity of the ischium || Intertrochanteric crest || Nerve to quadratus femoris (L4-S1) | |||
|- | |||
| [[External Obturator]] || Lateral surface of obturator membrane and the ischiopubic ramus || Trochanteric fossa || Posterior branch of obturator nerve (L3-L4) | |||
|- | |||
|} | |||
==Videos== | ==Videos== | ||
<youtube>Y6nn1jcAIhs</youtube> | <youtube>Y6nn1jcAIhs</youtube> | ||
{{Muscles of the Hip and Lower Limb}} | {{Muscles of the Hip and Lower Limb}} | ||
[[Category:Navbars| ]] | |||
Revision as of 17:05, 10 August 2020
| Muscle | Origin | Insertion | Innervation |
|---|---|---|---|
| Piriformis | Anterior surface of sacrum between and laterally to the anterior sacral foramina | Superior boundary of greater trochanter | Nerve to the piriformis (S1-S2) |
| Gemellus Superior | Ischial spine | Upper edge of Obturator internus muscle tendon (indirectly greater trochanter) | Nerve to obturator internus (L5-S2) |
| Internal Obturator | Medial surface of obturator membrane and the surrounding bone | Medial surface of greater trochanter | Nerve to obturator internus (L5-S2) |
| Gemellus Inferior | Just above the tuberosity of the ischium | Lower edge of Obturator internus muscle tendon (indirectly greater trochanter) | Nerve to quadratus femoris (L4-S1) |
| Quadratus Femoris | Lateral edge of the tuberosity of the ischium | Intertrochanteric crest | Nerve to quadratus femoris (L4-S1) |
| External Obturator | Lateral surface of obturator membrane and the ischiopubic ramus | Trochanteric fossa | Posterior branch of obturator nerve (L3-L4) |
