1. GLUTEAL REGION
DR TAHIR HUSSAIN

2. OBJECTIVES
Arrange the muscles of the gluteal region and give their actions and nerve supply.
Enumerate the structures deep to gluteus maximus muscle.

3. GLUTEUS MAXIMUS

4. ARRANGEMENT OF MUSCLES
GMax
GMed
GMin
Piri GS OI GI QF

5. MUSCLES OF GLUTEAL REGION
NERVE SUPPLY 1
Gluteus maximus
Inferior gluteal N 2
Gluteus medius
Superior gluteal N 3
Gluteus minimus 4
Pyriformis
N. to pyriformis 5
Obturator externus
Obturator N 6
Obturator internus
N. to obturator internus 7
Gamellus superior 8
Gamellus inferior
N. To qudratus femoris 9
Quadratus femoris

6. MUSCLES OF GLUTEAL REGION ACTION1
Gluteus maximus
Extension of thigh
Lat. Rotation of thigh
Supports the extended knee 2
Gluteus medius
Abduction of thigh
Med. Rotation of thigh
Maintain balance of the body when the opposite foot is off the ground 3
Gluteus minimus 4
Pyriformis 5
Obturator externus 6
Obturator internus 7
Gamellus superior 8
Gamellus inferior 9
Quadratus femoris

7. STRUCTURES DEEP TO GLUTEUS MAXIMUS
MUSCLES
VESSELS
NERVES
BONES AND JOINTS
LIGAMENTS
BURSAE

8. MUSCLES DEEP TO GLUTEUS MAXIMUS
Gluteus medius
Gluteus minimus
Reflected head of rectus femoris
Pyriformis
Gemillus superuir
Obturator internus
Gamellus inferior
Quadratus femoris
Obturator externus
Origin of hamstrings
Attachment of pubic fibres of adductor magnus 1 2 4 8 GM

9. VESSELS DEEP TO GLUTEUS MAXIMUS
Superior gluteal
Inferior gluteal
Internal pudendal
Ascending br. Of med. Circumflex femoral
Trochanteric anastomosis
Cruciate anastomosis
First perforating

10. NERVES DEEP TO GLUTEUS MAXIMUS
Superior gluteal
Inferior gluteal
Sciatic
Post. Cut. N of thigh
N. to quadratus femoris
Pudendal N
N to obturator internus
Perforating cut. nerves 3 4 3

11. BONES AND JOINTS DEEP TO GLUTEUS MAXIMUS
Ilium
Ischium with ischial tuberosity
Upper end of femor with greater trochanter
Sacrum and coccyx
Hip joint
Sacro-iliac joint

12. LIGAMENTS AND BURSAE DEEP TO GLUTEUS MAXIMUS
Sacrotuberous
Sacrospinus
Ischiofemoral
BURSAE
Trochanteric bursa of gluteus maximus
Bursa over the ischial tuberosity
Bursa b/w the gluteus maximus and vastus lateralis

13. THE END
ANY QUESTIONS
THE END