Gluteal region:(hip and buttocks)

4 superficial mm. 5 deep mm.

Posterior thigh:

tensor fasciae latae

iliotibial tract

positiveTrendelenburgtest

greater sciatic foramen

lesser sciatic foramen

sacrospinous lig.

sacrotuberous lig.

greater sciatic foramen – connects pelvic cavity to gluteal regionlesser sciatic foramen – connects gluteal region to perineum

deep gluteal muscles: the lateral rotators of the thigh

medial view ofright hemipelvis

medial view ofright hemipelvis

sacral plexus (L4-S4)

perforating a.

Piriformis

relationship of the sciatic n. to the piriformis m.

both divisionspassing inferior to:

87%

common peroneal divisionpassing through:

12.2%

common peroneal divisionpassing superior to:

0.5%

(Grant’s atlas – study of 640 limbs)

(for intragluteal injection)

nerve to thequadratus femoris

pudendalnerve

Posterior thigh muscles: extensors of thigh flexors of leg

a pulled hammy

avulsion fracture of ischial tuberosity

popliteal fossa