Table of Contents
HIP JOINT
- Hip joint
- Type
- Ball and socket type
- Articular surfaces
- Head of femur
- Forms more than half a sphere
- Covered with hyaline cartilage
- Except at fovea
- Acetabulum of hip joint
- Horse shoe shaped
- Lunate articular surface
- Covered with cartilage
- Acetabular notch
- Acetabular fossa
- Special features
- High degree of stability and mobility
- Strength depends upon
- Depth of acetabulum
- Narrowing of mouth by acetabular labrum
- Tension and strength of ligaments
- Strength of surrounding muscles
- Length and obliquity of neck of femur
- Atmospheric pressure
- Ligaments
- names in brief
- Fibrous capsule
- Iliofemoral ligament
- Pubofemoral ligament
- Ischiofemoral ligament
- Ligament of head of femur
- Acetabular labrum
- Transverse acetabular ligament
- Names in detail
- 1. Fibrous capsule
- Attached
- Acetabular labrum
- Transverse acetabular ligament
- Bone above and behind acetabulum
- Infront
- On femur to intertrochanteric line
- Behind
- 1cm medial to intertrochanteric crest
- Pubofemoral ligament and vertical band of iliofemoral ligament
- 2. Iliofemoral ligament
- Called as ligament of Bigelow
- Strongest ligaments
- Prevents trunk from falling backward in standing posture
- Shape
- Inverted Y shape
- Triangular in shape
- Apex
- attached to Lower half of AIIS
- Base
- To intertrochanteric line
- Fibers
- Upper oblique - thick
- Middle - thin and weak
- Lower vertical - thick and strong band
- Pubofemoral ligament
- Supports joint
- Inferomedially
- Triangular in shape
- Attached
- Superiorly to
- Iliopubic eminence
- Obturator crest
- Obturator membrane
- Inferiorly
- Merges with anteroinferior part of capsule
- Lower band of iliofemoral ligament
- Ischio-femoral ligament
- Weak
- Covers joint posteriorly
- Fibers
- Twisted
- Form zona orbicularis
- Attached
- Ischium to acetabulum
- Ligament of head of femur
- Synonym
- Round ligament, ligamentum teres
- Shape
- Flat , triangular
- Attachment
- Apex to fovea capitis
- Base to transverse ligament and to margins of acetabular notch
- Thin , even absent
- Transmits
- Arteries to head of femur
- from acetabular branches of obturator and medial circumflex femoral arteries
- Acetabular labrum
- Fibrocartilaginous rim
- Margins of acetabulum
- Helps in holding femur in position
- Transverse ligament
- Part of acetabular labrum
- Bridges acetabular notch
- Converted to a foramen
- Acetabular vessel and nerves
- Relations
- Anterior
- Posterior
- Superior
- Inferior
- Blood supply
- Obturator artery
- Two circumflex femoral
- Arterial circle around capsular attachment
- Two gluteal
- Nerve supply
- Femoral nerve
- Through nerve to rectus Femoris
- Anterior division of obturator nerve
- Nerve to quadratus Femoris
- Superior gluteal nerve
- Movements
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| CATEGORY | HIP JOINT |
|---|---|
| Type | Synovial ball and socket; multiaxial |
| Articular surfaces | Head of femur, lunate surface of acetabulum |
| Ligaments | Capsular: iliofemoral, pubofemoral, ischiofemoral |
| Intracapsular: transverse ligament of the acetabulum, ligament of the head of the femur | Intracapsular: transverse ligament of the acetabulum, ligament of the head of the femur |
| Innervation | Femoral nerve, obturator nerve, superior gluteal nerve, nerve to quadratus femoris |
| Blood supply | Medial and lateral circumflex femoral arteries, obturator artery, superior and inferior gluteal arteries |
| Movements | Flexion, extension, abduction, adduction, external rotation, internal rotation and circumduction |
HIP JOINT
HIP MOVEMENTS
MUSCLES OF HIP
LIGAMENTS
BLOOD SUPPLY
