أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
there are three degrees of separations.
cervical spine in neutral position of 30 dergree but not in extension
lumber 45 flexion hip and knee
lower lumber 70 hip flexion
knee 15 degree
ankle neutral posion
wrist neutral postion
