Squat, start to finish.
Plank, standard and side. For added stress you can reach with the hand above your head.
Push Up, standard and on your knees.
Romanian Dead Lift, start upright, bend with weight toward your toes, knees bending at the same time, rise back up with weight gliding near the shin until upright.
Ball Roll Out, start at either extended or over the ball and roll out as the ball rolls.
Bird Dog, alternate leg and hand. Start with just the leg motion and add hand.
Lunge, can be done stepping forward or back.
Hip Raise, while laying on your back with feet planted, raise the hips so as to flatted from the knees to torso.
