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Defend Earth from alien invaders
during running, pointing straight ahead in a dorsiflexed position when foot hits the ground
during running, knees have to remain straight ahead;too much adduction,internal rotation of femur during stance phase cause force production decrease and leads to overuse injuries
during running, head in line w/ lumbo-pelvic-hip-complex,lphc s/b in line w/ legs;no compensation for head and neck by moving into extension (unless tracking ball, etc.) as this can affect position of lphc (pelvo-ocular reflex)
During running, body should have slight lean during acceleration;during maximum speed, lphc should be neutral,no excessive extension or flexion unless to reach for something
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