Lie supine with your knees bent and feet flat. Put your righ…

Lie supine with your knees bent and feet flat. Put your right hand behind your head. Lift your right shoulder and scapula off the mat toward your left knee. What two trunk motions occur? (flexion, extension, right rotation, left rotation, right lateral bending, left lateral bending)What type of contraction is occurring? (isometric, concentric, or eccentric)What two specific muscles are causing these trunk motions?