4.18.24 Movement Legacies, Reflection, and Review.pptx
Gluteal region
1. Gluteal region
Dr. Rania sherif
Lecturer of Anatomy, Mansoura university
2.
3. Deep fascia (fascia lata)
Iliotibial tract Saphenous
opening
Attachment
Sup: tubercle of iliac crest
Inf: lat condyle of tibia
4.
5. Muscles
Gluteal ms Lat. hip rotators
Gluteus maximus Piriformis
Gluteus medius Quadratus femoris
Obturator internus &
Gluteus brevis
externus
Sup & inf gemellus
Tensor fascia lata
7. Middle gluteal
line
minimus
maximus
Inferior
gluteal line
Posterior
gluteal line
8. Gluteus maximum
Origin:
Back of sacrum & coccyx
Back of sacrotuberous ligament
Gluteal surface behind post
gluteal line
Insertion:
Superficial ¾ into iliotibial tract
Deep ¼ into gluteal tuberosity
NS: inferior gluteal n
Action:
Extension of hip joint
Lateral rotation of thigh
Help in extension of knee joint
9. Gluteus medius
Origin:
Gluteal surface () post & middle
gluteal lines
Insertion:
Greater trochanter (lat surface)
NS: superior gluteal n
Gluteus minimus
Origin:
() middle & inferior gluteal lines
Insertion:
Greater trochanter (ant surface)
NS: superior gluteal n
Action:
Abduction & med rotation of thigh
Prevent pelvic drop during walking
11. Tensor fascia lata
Origin: iliac crest () ASIS &
tubercle
Insertion:
Iliotibial tract
NS: superior gluteal n
Action:
Tense iliotibial tract
Abduction & med rotation of hip
15. Superior gemellus
Origin:
Lesser sciatic notch (upper)
Insertion:
Tendon of obturator internus
NS: N to obturator internus
Inferior gemellus
Origin:
Lesser sciatic notch (lower)
Insertion:
Tendon of obturator internus
NS: N to quadratus femoris
19. Greater sciatic foramen
Structures passing through it:
Superior gluteal vs & nerve
Piriformis ms
Inferior gluteal vs & nerve
Nerve to obturator internus
Internal pudendal vs
Pudendal n
Sciatic n
Post cutaneous n of thigh
Nerve to quadratus femoris
20. Lesser sciatic foramen
Structures passing through it:
Tendon of obturator internus
Nerve to obturator internus
Internal pudendal vs
Pudendal n
21. Sciatic nerve
Origin:
Sacral plexus L4,5, S1,2,3
Course:
Greater sciatic foramen below
piriformis muscle
Deep to gluteus maximus
Midpoint () ischial tuberosity and
greater trochanter.
Branches:
Tibial nerve (medial popliteal)
Common peroneal nerve (lateral
popliteal)
Distribution:
Hamstring ms & adduct magnus
(ischeal part)