Hip Joint and Pelvis

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Physical Science

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58 Terms

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Posterior Femur Bone
Posterior Femur Bone
Linea Aspera
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Greater Trochanter
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Lesser Trochanter
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Intertrochanteric Line
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Neck
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Head
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Ilium
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Ischium
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Symphysis
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Pubis
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Ilium (innominate bone)
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Ischium (innominate bone)
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Pubis (innominate bone)
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where the three pelvic bones meet
where the three pelvic bones meet
Acetabulum
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Acetabular Labrum
deepens the socket
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Iliac Crest
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Anterior Superior Iliac Spine (ASIS)
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Anterior Inferior Iliac Spine
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Posterior Superior Iliac Spine
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Posterior Inferior Iliac Spine
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Ischial Tuberosity
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What type of joint is the hip joint?
What type of joint is the hip joint?
Ball and Socket joint
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Motions of Hip Joint
Flexion/Extension, Abduction/Adduction, Internal/External rotation
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Iliofemoral Ligament
Iliofemoral Ligament
O - AIIS

I - Intertrochanteric Line

Prevents hyperextension
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Pubofemoral Ligament
Pubofemoral Ligament
O - Superior pubic ramus

I - Neck of femur

Prevents hyperabduction
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Ischiofemoral Ligament
Ischiofemoral Ligament
O - Posterior ischium

I - Greater trochanter

Prevents hyperabduction
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Ligamentum Teres
Ligamentum Teres
small ligament that holds head of femur into acetabulum
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Symphysis Pubis
Symphysis Pubis
Amphiarthrodial fibrous joint that allows for minimal movement; a fibrocartilaginous disk holding the left and right side together
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Sacroiliac Joints
Sacroiliac Joints
where the ilia articulate with the sacrum; contain diarthrodial synovial joints (very mobile)
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Hip Movement
Flexion/Extension, Abduction/Adduction, Int/Ext Rotation
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Pelvis Movement
Anterior/Posterior Rotation, L/R Lateral Rotation, L/R Transverse Pelvic Rotation
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Thigh Musculature consists of
Thigh Musculature consists of
Anterior, Medial, Posterior
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Muscles of the Anterior Compartment
Iliopsoas, Sartorius, Quadriceps, Tensor Fascia lata, Pectineus
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Hip Flexors
Iliopsoas Muscels
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Iliopsoas Muscles consist of
Iliacus, Psoas Major, Psoas Minor
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Iliacus
O - Iliac Fossa

I - Lesser trochanter via “conjoint tendon”

A - Hip Flexion

N - Nerve roots L2-L4
O - Iliac Fossa I - Lesser trochanter via “conjoint tendon” A - Hip Flexion N - Nerve roots L2-L4
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Psoas Major
O - Anterior aspect of vertebrae T12 - L5

I - Lesser Trochanter via ”conjoint tendon”

A - Hip Flexion (assists w/ Trunk Function

N - Nerve roots L2 - L3
O - Anterior aspect of vertebrae T12 - L5 I - Lesser Trochanter via ”conjoint tendon” A - Hip Flexion (assists w/ Trunk Function N - Nerve roots L2 - L3
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Psoas Minor
O - Vertebrae T12 - L1

I - Anterior Ilium

A - Trunk Flexion

N - L1 nerve root
O - Vertebrae T12 - L1 I - Anterior Ilium A - Trunk Flexion N - L1 nerve root
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Sartorius
O - ASIS

I - Anterior tibia via pes anserine tendon

A - Hip flexion, ABduction, Ext. Rotation (think crossing leg over knee)

N - Femoral n.
O - ASIS I - Anterior tibia via pes anserine tendon A - Hip flexion, ABduction, Ext. Rotation (think crossing leg over knee) N - Femoral n.
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Rectus Femoris
O - AIIS

I - Patellar tuberosity via “patellar tendon”

A - Knee Extension & Hip Flexion

N - Femoral n.
O - AIIS I - Patellar tuberosity via “patellar tendon” A - Knee Extension & Hip Flexion N - Femoral n.
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Pectineus
O - Pubic Bone

I - Distal lesser Trochanter

A - Hip Flexion ADDuctor, Ext. Rotation

N - Femoral n.
O - Pubic Bone I - Distal lesser Trochanter A - Hip Flexion ADDuctor, Ext. Rotation N - Femoral n.
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Tensor Fascia Latae (TFL)
O - Anterior iliac crest

I - Iliotibial band (IT Band)

A - Hip Flexion

N - Superior Gluteal n.
O - Anterior iliac crest I - Iliotibial band (IT Band) A - Hip Flexion N - Superior Gluteal n.
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Muscles of Posterior Compartment
Hamstring Muscles, Gluteus Maximus, External Rotators
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Gluteus Maximus
O - Posterior Ilium; Sacrum

I - Greater Trochanter (some IT Band)

A - Hip Extension

N - Inferior gluteal n.
O - Posterior Ilium; Sacrum I - Greater Trochanter (some IT Band) A - Hip Extension N - Inferior gluteal n.
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6 Deep External Rotators
Piriformis, Quadratus Femoris, Superior Gemellus, Inferior Gemellus, Obturator Internus, Obturator Externus
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Medial Compartment
consists of ADDuctor Muscles: Gracilis, Adductor Magnus, Longus, and Brevis
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Gracilis
O - Inferior pubic ramus

I - Anteromedial tibia via pes anserine tendon

A - Hip ADDuction, flexion

N - Obturator
O - Inferior pubic ramus I - Anteromedial tibia via pes anserine tendon A - Hip ADDuction, flexion N - Obturator
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Adductor Magnus
O - Pubic bone, ischium, ischial tuberosity

I - Linea aspera and adductor tubercle

A - ADDuction

N - Obturator n.
O - Pubic bone, ischium, ischial tuberosity I - Linea aspera and adductor tubercle A - ADDuction N - Obturator n.
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Adductor Longus
O - Pubic bone

I - Middle 1/3 of linea aspera

A - ADDuction

N - Obturator n.
O - Pubic bone I - Middle 1/3 of linea aspera A - ADDuction N - Obturator n.
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Adductor Brevis
O - Pubic Bone

I - Proximal 1/3 of linea aspera

A - Adduction

N - Obturator
O - Pubic Bone I - Proximal 1/3 of linea aspera A - Adduction N - Obturator
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Lateral Hip consists of:
Gluteus Medius, Gluteus minimus, IT Band
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Gluteus Medius
O - Lateral ilium

I - Greater Trochanter

A - Hip ABDuction

N - Superior gluteal n.
O - Lateral ilium I - Greater Trochanter A - Hip ABDuction N - Superior gluteal n.
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Gluteus Minimus
O - Iliac crest

I - Greater Trochanter

A - Hip ABDuction

N - Superior gluteal n.
O - Iliac crest I - Greater Trochanter A - Hip ABDuction N - Superior gluteal n.
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IT Band
made up of connective tissue

O - TFL

I - Gertys Tubercle
made up of connective tissue O - TFL I - Gertys Tubercle
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Anterior Nerve
Femoral Nerve
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Medial Nerve
Obturator Nerve
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Posterior Nerve
Tibial nerve (Sciatic Nerve)
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Factors Affecting Hip Muscles
weight bearing (provide power and stability) vs. non-weight bearing functions (provide speed)