The Hip Joint and Pelvic Girdle Anatomy and Physiology of Human Movement 420:050.

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The Hip Joint and Pelvic Girdle Anatomy and Physiology of Human Movement 420:050

Transcript of The Hip Joint and Pelvic Girdle Anatomy and Physiology of Human Movement 420:050.

Page 1: The Hip Joint and Pelvic Girdle Anatomy and Physiology of Human Movement 420:050.

The Hip Joint and Pelvic Girdle

Anatomy and Physiology of Human Movement

420:050

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Objectives

Bones, bony landmarks and joints Muscles Movements

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Hip Joint Hip joint (femur and acetabulum of pelvis)

Relatively stable due to: Bony architecture Strong ligaments Large supportive muscles

Hip joint and pelvic girdle work together much like shoulder joint and girdle Pelvis moves in response to trunk and/or thigh movement

Other bones to consider Tibia Fibula Patella

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Pelvic Girdle Pelvic girdle Pelvic bones, sacrum, coccyx Pelvic bones:

Each pelvic bone is made up of three fused bones ilium, ischium, & pubis

Right & left pelvic bone joined together posteriorly by sacrum

Sacrum: Extends from spinal column with 5 fused vertebrae

Coccyx: Extends posteriorly from sacrum with 3 fused vertebrae

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Lateral femoral epicondyle Medial femoral

epicondyle

Patella

Tibial tuberosity

Head of fibula

Lateral tibial condyle

Medial tibial condyle

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Joints Hip joint

AKA Acetabular femoral joint Diarthrodial multiaxial ball and socket Movements Planes and axes

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Joints

Pubic symphisis Amphiarthrodial cartilagenous joint Slightly moveable

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Joints

Sacroiliac joints Diarthrodial gliding joints Slightly moveable

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Objectives

Bones, bony landmarks and joints Muscles Movements

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Muscles

Anterior: Iliopsoas Sartorius Rectus femoris Tensor fasciae latae

Posterior: Gluteus maximus Biceps femoris Semitendonosus Semimembranosus Deep 6 external rotators

Lateral: Gluteus medius Gluteus minimus

Medial: Adductor brevis Adductor longus Adductor magnus Gracilis Pectineus

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Iliopsoas

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Sartorius

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Rectus Femoris

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Tensor Fasciae Latae

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Muscles

Anterior: Iliopsoas Sartorius Rectus femoris Tensor fasciae latae

Posterior: Gluteus maximus Biceps femoris Semitendonosus Semimembranosus Deep 6 external rotators

Lateral: Gluteus medius Gluteus minimus

Medial: Adductor brevis Adductor longus Adductor magnus Gracilis Pectineus

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Gluteus Maximus

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Semitendinosus

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Semimembranosus

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Biceps Femoris

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Six Deep External Rotators

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Muscles

Anterior: Iliopsoas Sartorius Rectus femoris Tensor fasciae latae

Posterior: Gluteus maximus Biceps femoris Semitendonosus Semimembranosus Deep 6 external rotators

Lateral: Gluteus medius Gluteus minimus

Medial: Adductor brevis Adductor longus Adductor magnus Gracilis Pectineus

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Gluteus Medius

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Gluteus Minimus

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Muscles

Anterior: Iliopsoas Sartorius Rectus femoris Tensor fasciae latae

Posterior: Gluteus maximus Biceps femoris Semitendonosus Semimembranosus Deep 6 external rotators

Lateral: Gluteus medius Gluteus minimus

Medial: Adductor brevis Adductor longus Adductor magnus Gracilis Pectineus

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Adductor Brevis

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Adductor Longus

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Adductor Magnus

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Pectineus

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Gracilis

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Objectives

Bones, bony landmarks and joints Muscles Movements

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Movements

Flexion Movement of femur straight

anteriorly Extension

Movement of femur straight posteriorly

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Movements Abduction

Movement of femur laterally to side away from midline

Adduction Movement of femur

medially toward midline

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Movements

Horizontal adduction Movement of femur in a horizontal or transverse

plane toward the midline Horizontal abduction

Movement of femur in a horizontal or transverse plane away from the midline

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Movements

External rotation Movement of femur laterally

around its long axis away from midline

Internal rotation Movement of femur medially

around its long axis toward midline

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Movements

Diagonal abduction Movement of femur in a

diagonal plane away from midline of body

Diagonal adduction Movement of femur in a

diagonal plane toward midline of body

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Movements

Anterior pelvic tilt Anterior movement of upper

pelvis; iliac crest tilts forward in a sagittal plane

Posterior pelvic tilt Posterior movement of upper

pelvis; iliac crest tilts backward in a sagittal plane

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Movements Left lateral pelvic tilt

Left pelvis moves inferiorly in relation to right pelvis in frontal plane

Right lateral pelvic tilt Right pelvis moves inferiorly in

relation to left pelvis in frontal plane

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Movements

Left transverse pelvic tilt Left pelvis moves

posteriorly in relation to the right in transverse plane

Right transverse pelvic tilt Right pelvis moves

posteriorly in relation to the left in transverse plane

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LINE OF PULL

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FLEXION

Superior movement of the femur in the sagittal plane

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FLEXION

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FLEXION

Iliopsoas Rectus femoris Sartorius Tensor fasciae latae Pectineus

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EXTENSION

Inferior movement of the femur in the sagittal plane

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EXTENSION

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EXTENSION

Gluteus maximus Hamstrings

Biceps femoris Semitendinosus Semimembranosus

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ABDUCTION Superolateral movement of the femur in the

frontal plane

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Gluteus minimus

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ABDUCTION

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ABDUCTION

Tensor fasciae latae Gluteus medius Gluteus minimus

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ADDUCTION Inferomedial movement of the femur in the

frontal plane

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ADDUCTION

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ADDUCTION

Gracilis Adductor magnus Adductor longus Adductor brevis Pectineus

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HORIZONTAL ABDUCTION Movement of the femur away from the midline

of the body in the transverse plane Muscles Abductors

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HORIZONTAL ADDUCTION Movement of the femur towards the midline in

the transverse plane Muscles Adductors

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INTERNAL/EXTERNAL ROTATION

Movement of the femur towards/away the midline in the transverse plane along its long axis