Hip joint - zmchdahod.org · ARTICUAR SURFACES OF HIP JOINT • Spheroidal shape • Hyaline...
Transcript of Hip joint - zmchdahod.org · ARTICUAR SURFACES OF HIP JOINT • Spheroidal shape • Hyaline...
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Hip joint
• A multiaxial , Ball & socket variety of
Synovial joint
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BONES FORMING HIP JOINT
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TYPE OF HIP JOINT
BALL & SOCKET MULTI-AXIAL
3 DEGREE OF FREEDOM
SYNOVIAL JOINT
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ARTICUAR SURFACES OF HIP JOINT
• Spheroidal shape
• Hyaline cartilage
(except fovea)
• Neck shaft angle
Adult-125
Child-160
• Determine range of mobility
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ARTICUAR SURFACES OF HIP JOINT
• Triradiate -y shaped cartilage
• Acetabular labrum
• Fat- Intracapsular &
extrasynovial
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LIGAMENTS OF HIP JOINT
• FIBROUS CAPSULE / CAPSULAR LIGAMENT
• LIGAMENT OF HEAD OF FEMUR
•ACETABULAR LABRUM
•TRANSVERSE ACETABULAR LIGAMENT
•ILIOFEMORAL LIGAMENT
•PUBOFEMORAL LIGAMENT
•ISCHIOFEMORAL LIGAMENT
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LIGAMENTS OF HIP JOINT
Capsular lig. Ischio-femoral lig. Pubofemoral lig.
Iliofemoral lig. Ligament of head of femur
Transverse acetabular lig.
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FIBROUS CAPSULE
Zona orbicularis
Bursa for Obturator
externus
• Longitudinal fibers-Retinacular fibers
• Inferomedial part-weak hyper abduction-
head dislocated
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ILIOFEMORAL LIGAMENT
Iliofemoral lig. Lig. Of Bigelow (inverted Y
shape)
Strongest lig. In the
body
Function
Prevents hyperextension of hip
joint
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PUBOFEMORAL LIGAMENT
Iliopubic
eminence
Pubofemoral lig
Psoas bursa
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ISCHIOFEMORAL LIGAMENT • Spirally
• Cont. with zona
orbicularis
• Greater trochanter
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LIGAMENT OF HEAD OF FEMUR
Ligamentum teres OR Round lig. Triangular fibrous band covered by synovial membrane
Absent in
Elephants & rhinoceros
Function Transmits arteries to the
head of femur
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ACETABULAR LABRUM
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TRANSVERSE LIGAMENT
OF ACETABULUM
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RELATIONS OF THE HIP JOINT
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BLOOD SUPPLY
-Obturator a.
-Two circumflex femoral a. -Two gluteal a.
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NERVE SUPPLY
1) Femoral n. through- n. to rectus femoris
2) Obturator n. –anterior division
3) Accessory obturator n.
4) Superior gluteal n.
5) N. to Quadratus femoris
6) Sciatic n. (occasionally)
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Thank you
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MOVEMENTS OF THE HIP JOINT
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Flexion & Extension
• Extension
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Adduction & Abduction
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Medial & Lateral rotation
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Neck- shaft angle
Coxa vara (<120) (abnormally decreased angle of inclination, it occurs in fractures of the neck of the femur and slipping of the femoral epiphysis )
Coxa valga (>135) (abnormally increased angle of inclination, in cases of congenital dislocation of the hip)
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COXA VARA & COXA VALGA
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LEG G-CALVE PERTHES’S DISEASE
[PSUDOCOXALGIA]
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Nelaton’s line
• A line drawn from the anterior
superior lilac spine to the
ischial tuberosity, passing over
or near the top of the greater
trochanter.
• The trochanter can be felt
superior to this line in a person
with a dislocated hip or a
fractured femoral neck.
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Shenton’s line
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Fracture : of neck of femur
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Fracture : of neck of femur
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Osteoarthritis of the Hip joint
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ASPIRATION OF HIP JOINT
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Thank you