Superior Gluteal nerve Anatomy medical animation - Origin & Course , Dr G Bhanu Prakash

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Superior Gluteal nerve Anatomy medical animation - Origin & Course , Dr G Bhanu Prakash

Origin
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Lumbo-sacro plexus
nerve roots L4-S1

Course
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Greater sciatic notch
leaves pelvis through the greater sciatic notch

contents of greater sciatic notch include
superior gluteal nerve
superior gluteal artery and vein
runs over the piriformis between the gluteus medius and minimus
do not split gluteus medius more than 5 cm proximal to greater trochanter due to risk of denervating the muscle
at risk during the lateral (Hardinge) approach to the hip

Terminal brances
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branch to gluteus medius
branch to gluteus minimus
branch to tensor fascia lata
Nerve Injury & Clinical Conditions
Gluteus Medius Nerve Injury
Trendelenburg Gait
the tilted pelvis and shifted center of gravity are compensated through shifts in the upper body over the affected hip during the period of single-leg stance.
the combination of sagging pelvis and upper body shifts results in a classic waddling gait.

Nerve Injury & Clinical Conditions
------------------------------------------------------
Gluteus Medius Nerve Injury

Trendelenburg Gait

the tilted pelvis and shifted center of gravity are compensated through shifts in the upper body over the affected hip during the period of single-leg stance.

the combination of sagging pelvis and upper body shifts results in a classic waddling gait.