vertebrae separated by intervertebral discs shock absorbers prevents bone to bone contact ...
TRANSCRIPT
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Lecture 6.10: Skeletal System
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Vertebrae separated by intervertebral discs Shock Absorbers Prevents bone to bone contact Herniated disc Disc extends outwards Reduces disc function
Intervertebral Articulations
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Figure 6.36
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Shoulder Joint Greatest motion in body Most dislocated joint Bursitis—inflammation of bursa Restrict motion Painful Elbow Joint—Extremely stable
Upper Limb Articulations
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Figure 6.37
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Hip Joint Absorbs shock Denser and stronger than shoulder Extremely stable Less movement than shoulder
Lower Limb Articulations
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Figure 6.39b
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Figure 6.39a
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Usually 60+ Osteoporosis weakens femur Usually occurs with hip dislocation or pelvic
fractures Takes long time to heal
Hip Fractures
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Medial and lateral menisci—cushion Bursae—reduce friction Patellar ligament—supports
Knee Joint
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Figure 6.40a