Questionable Exercise:

Neck Circling

• Violation of Body Mechanics
–Requires neck hyperextension
– Pinch arteries and nerves in the neck and at the base of skull
–Grinding down the disk

• Safe Alternatives
–Head clock

Questionable Exercise: Straight Leg Sit Up

• Violation of Body Mechanics
–Straight leg sit up can displace the fifth lumbar vertebra
–Bent knee sit up produce greater compression on the lumbar
–Placing hands behind the neck or head can results in hyperflexion of the neck

• Safe Alternatives
–Crunches/curl up