Hip joint
Updates to Article Attributes
The hip joint may be referred to as an anatomical region or more specifically,is a synovial joint between the femoral head and the acetabulum of the pelvis. This article considers the hip joint specifically, however it worth noting that the word hip is often used to refer more generally to the anatomical region around this joint.
Gross anatomy
The hip joint is a ball-and-socket joint that represents the articulation of the bones of thelower limb and the axial skeleton (spine and pelvis). The rounded femoral head sits within the cup-shaped acetabulum.
The acetabulum is formed by the three bones of the pelvis (the ischium, ilium and pubis. Between them is a Y-shaped cartilaginous cartilaginous growth plate (the triradiate cartilage) which is usually fused by age 14-16.
The acetabulum covers nearly half of the femoral head, a grip that gets accentuated by the addition of the acetabular labrum, a fibrocartilaginous lip that extends around the acetabulum and crosses the equator of the femoral head. The acetabular labrum increases increases the stability of the joint but causes a reduction in the movement at the joint.
-<p>The <strong>hip</strong> may be referred to as an anatomical region or more specifically, a joint between the femoral head and acetabulum of the pelvis. This article considers the hip joint specifically.</p><h4>Gross anatomy</h4><p>The hip joint is a <a href="/articles/ball-and-socket-joint">ball-and-socket joint</a> that represents the articulation of the bones of the <a href="/articles/bones-of-the-lower-limb">lower limb</a> and the <a href="/articles/axial-skeleton">axial skeleton</a> (<a href="/articles/spine">spine</a> and <a href="/articles/pelvis-1">pelvis</a>). The rounded <a href="/articles/femoral-head">femoral head</a> sits within the cup-shaped <a href="/articles/acetabulum">acetabulum</a>.</p><p>The acetabulum is formed by the three bones of the pelvis (the <a href="/articles/ischium">ischium</a>, <a href="/articles/ilium">ilium</a> and <a href="/articles/pubis">pubis</a>. Between them is a Y-shaped cartilaginous <a href="/articles/growth-plate">growth plate</a> (the <a href="/articles/triradiate">triradiate</a> cartilage) which is usually fused by age 14-16.</p><p>The acetabulum covers nearly half of the femoral head, a grip that gets accentuated by the addition of the <a title="Acetabular labrum" href="/articles/acetabular-labrum">acetabular labrum</a>, a fibrocartilaginous lip that extends around the acetabulum and crosses the equator of the femoral head. The acetabular labrum increases the stability of the joint but causes a reduction in the movement at the joint.</p>- +<p>The <strong>hip joint </strong>is a <a href="/articles/synovial-joint">synovial joint</a> between the <a href="/articles/femoral-head">femoral head</a> and the <a href="/articles/acetabulum">acetabulum</a> of the pelvis. This article considers the hip joint specifically, however it worth noting that the word <strong>hip</strong> is often used to<span style="line-height:20.8px"> refer more generally to the anatomical region around this joint. </span></p><h4>Gross anatomy</h4><p>The hip joint is a <a href="/articles/ball-and-socket-joint">ball-and-socket joint</a> that represents the articulation of the bones of the <a href="/articles/bones-of-the-lower-limb">lower limb</a> and the <a href="/articles/axial-skeleton">axial skeleton</a> (<a href="/articles/spine">spine</a> and <a href="/articles/pelvis-1">pelvis</a>). The rounded <a href="/articles/femoral-head">femoral head</a> sits within the cup-shaped <a href="/articles/acetabulum">acetabulum</a>.</p><p>The acetabulum is formed by the three bones of the pelvis (the <a href="/articles/ischium">ischium</a>, <a href="/articles/ilium">ilium</a> and <a href="/articles/pubis">pubis</a>. Between them is a Y-shaped cartilaginous <a href="/articles/growth-plate">growth plate</a> (the <a href="/articles/triradiate">triradiate</a> cartilage) which is usually fused by age 14-16.</p><p>The acetabulum covers nearly half of the femoral head, a grip that gets accentuated by the addition of the <a href="/articles/acetabular-labrum">acetabular labrum</a>, a fibrocartilaginous lip that extends around the acetabulum and crosses the equator of the femoral head. The acetabular labrum increases the stability of the joint but causes a reduction in the movement at the joint.</p>
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