the hip joint and pelvic girdle anatomy and physiology of human movement 420:050
TRANSCRIPT
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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