Bones of the lower limb.

Hip joint.

Sándor Katz M.D.,Ph.D.

Lower limb

• Pelvic girdle

• Free lower extremity

Hip bone

Definitive fusion ofthe Y-shaped growthplate occurs 16th -18th year.

Hip bone

Pelvis

Comparison of the female and male pelves

Pelvic ligaments

Pelvis

Femur

Femur

Tibia

Fibula

Bones of the foot

Hip jointtype: ball-and-socket

Intracapsular ligaments

Acetabular labrum

Hip joint

Extracapsularligaments:

When the hip isextended, theseligaments becometwisted uponthemselves, pushingthe femoral head morefirmly into theacetabulum (joint-stabilizing function).During flexion theligament fibers arerelaxed.(4th ligament: zonaorbicularis)

Hip joint - movements

• Flexion: 120°• Extension: 20°• Abduction: 40°• Adduction:0° (30°)• Rotation: 90°

Circumduction

Thank you for your attention.

References: Drake: Gray’s Anatomy for Students, 2nd ed.Standring: Gray’s Anatomy, 39th ed.Radiopaedia.orgSpringer: SH Atlasz, Anatómia I.Apáthy István Pályázat 2012, Martinovszky F., Bardosh D.