Crunching Compensation
When a protraction drill turns into a crunch, the distance between the body and the floor does not truly increase because the head moves forward instead of the body moving away. Crunching is a common compensation that occurs during protrac…
1 sources - 2 claims
When a protraction drill turns into a crunch, the distance between the body and the floor does not truly increase because the head moves forward instead of the body moving away. Crunching is a common compensation that occurs during protraction drills.