The Pelvic Girdle and Hip Joint

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The hip joints functions are?

Weight bearing Locomotion (enhanced by wide ROM)

Bony architecture of hip joint

acetabulum forms relatively deep socket for femoral head (compare to glenohumeral joint)

Hip joint muscles medial

adductor brevis, adductor longus, adductor magnus, gracilis

Hip Joint is what kind of joint?

ball and socket

Hip joint muscles posterior

biceps femoris ,semitendinosus, semimembranosus, gluteus maximus,

stability of hip joint. relativity of stable joint

bony architecture ligamentous support muscular support

The hip joint is fairly stable due to?

bony architecture large ligaments large supportive muscles

Bones of the hip join anterior femur

femoral head acetabulum greater trochanter femoral neck lesser trochanter femur

Hip joint muscles lateral

gluteus medius, gluteus minimus, tensor fasciae latae

What does the hip joint articulate with ?

head of the femur articulates with the acetabulum of the pelvic girdle

Hip joint muscles anterior

iliacus , psoas, rectus femoris, sartorius, pectineus

Ligamentous support if hip joint, 3 main ligaments

iliofemoral ligament Pubofemoral ligament ischiofemoral ligament

22 main muscles that cross the hip joint

increases joint stability

Pelvic Bone

made up of: illum ischium pubis

bones of the hip joint articulate between?

pelvic bone and femur

ischiofemoral ligament

posterior prevent excessive internal rotation

Posterior Pelvic Joint

sacroillac articulates with the 2 pelvic bones

Anterior Pelvic Joint

symphysis pubis

Acetabular femoral joint

Head of femur sits in acetabulum enarthrodial joint (freely moveable) Multiaxial

Symphysis Pubis is what type of joint?

amphiarthroidal joint (little movement)

pubofemoral ligament

anteriomedially, inferiorly prevents exc

iliofemoral ligament

anterior prevents hyperextension

compared to males ,females pelvic girdles tend to be:

lighter thinner wider flares out laterally at front wider sacrum broader pelvic cavity

Pelvic Girdle

right and left pelvic bone joined together by the sacrum


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