1 In the name of GOD Body Mechanics, Posture, Questionable Exercises, and Care of the Back and Neck Part1 By: F. Akyash

2 Curves of vertebral column

Anatomy of the back  Bones of the spine  Joints  Discs that separate the vertebrae  Muscles and ligaments  Nerves

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5  Minimal stress on the vertebral joints and supporting ligaments.  Body segments balanced around the center of gravity.

6  Body alignment problems  Hereditary  Congenital and disease conditions  Environmental conditions  Poor fitness  Lack of knowledge  Bad habits

7 Problems of Common Faulty Postures  Hyperlordotic posture

8  Kypholordotic Posture

9  Scoliosis Posture

10  Forward head Posture  Key: anterior displacement of head relative to thorax.  Possible causes: Poor eyesight (need glasses) Poor eyesight (need glasses) Muscle fatigue/weakness Muscle fatigue/weakness Poor postural sense Poor postural sense

11  Round shoulder posture