LL: Gluteal region Flashcards
Pelvis bony anatomy
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Femoral triangle borders
Inguinal ligament
Sartorius
Adductor longus
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Floor of femoral triangle
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Roof of femoral triangle
fascia lata
Structures in femoral triangle
Medial to lateral VAN
Lymphatics
Femoral vein
Femoral artery
Femoral nerve
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Femoral canal content
Lymphatics
Cloquet’s lymph node
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Femoral sheath
Covers femoral artery vein and femoral canal
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Femoral canal borders
Anterior: inguinal ligament
Lateral: femoral vein
Medial: lacunar ligament
Posterior: Pectineal ligament
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Clinical significance of femoral canal
Femoral hernias strangulate in this space
Deep muscles of gluteal region
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Origin and insertion of piriformis
Anterior surface of sacrum
Greater trochanter
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Origin and insertion of obturator internus
Internal surface of obturator foramen
Greater trochanter
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Gemillus superior origin and insertion
External surface of ischial spine
Greater trochanter
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Gemillus inferior origin and insertion
Ischial tuborisity
Greater trochanter
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Quadratus femoris origin and insertion
Anterior to ischial tuboresity
Intertrochanteric crest
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Function of piriformis
Lateral rotation/abduction
Function of obturator internus
Lateral rotation/abduction of hip
Gemillus superior function
Lateral rotation/abduction
Gemillus inferior function
Lateral rotation/abduction
Quadratus femoris function
Laterally rotates hip
Gluteus minimus origin and insertion
Inferior and anterior gluteal lines
Greater trochanter
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Gluteus medius origin and insertion
Anterior and posterior gluteal lines
Greater trochanter
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Gluteal maximus origin and insertion
Posterior gluteal line/ fascia covering gluteus medius
iliotibial tract of fascia lata and gluteal tuberosity
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Tensor fasciae latae origin and insertion
Lateral ilial crest
Iliotibial tract
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Gluteus minimus and medius function
abduct femur
Gluteus maximus function
Hip extension
Lateral rotation/abduction
Tensor fasciae latae function
Stabilises knee extension
Innervation of piriformis
L5 S1 S2
Innervation of obturator internus
Nerve to obturator internus
Innervation of gemellus superior
Obturator internus
Innervation of gemellus inferior
Nerve to quadratus femoris
Innervation of tensor fasciae latae
Superior gluteal nerve
Innervation of gluteaus medius and minimus
Superior gluteal nerve
Innervation of gluteus maximus
Inferior gluteal nerve
Structures through the greater sciatic foramen below piriformis
SNIP NIP
Sciatic nerve
Nerve to obturator internus
Internal pudendal artery and vein
Pudendal nerve
Nerve to quadratus femoris
Inferior gluteal artery, vein and nerve
Posterior cutanous nerve
Structures through the greater sciatic foramen above piriformis
Superior gluteal nerve artery and vein
Structures through lesser sciatic foramen
Obturator internus tendon
Pudendal nerve and internal pudendal vessels
Structures through obturator canal
Obturator nerve
Obturator vessels
Structures through gap between inguinal ligament and pelvis
Muscles: psoas major, illiacus, pectineus
Vessels: femoral A+V,
Nerves: femoral nerve, femoral branch of genitofemoral, lateral cutanous nerve of the thigh
Nerves of gluteal region
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Arteries of hip
External iliac -> profunda femoris -> medial, lateral circumflex femoral arteries, ascending 1st perforator
Internal iliac -> gluteal arteries
Obturator artery to head of femur
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Trochanteric anastemosis
Inferior and superior gluteal arteries
Medial and lateral circumflex arteries
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Cruciate anastemosis
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Veins of lower leg
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Lymphatics of lower leg
Superficial inguinal
Deep inguinal
Popliteal nodes
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What does deep inguinal node drain
femoral vessels
glans of penis/clitoris
What does superficial inguinal node drain
gluteal region
perineum
lower abdo
Lower limb dermatomes
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Lower limb myotomes
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Pudendal canal location
Within the obturator internus fascia
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Pudendal canal aka
Aclocks canal
Pudendal canal content
Pudendal artery, nerve, vein
Structures passing through greater/lesser sciatic foramen
Pudendal nerve
Internal pudendal artery
Nerve to obturator
Sciatic nerve root
L4 - S3
Femoral nerve root
L2-4
Sciatic nerve course
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Arterial supply of gluteus maximus vs medius
Max= inferior gluteal artery
Min= superior gluteal artery