Coach Cardio's class is doing pushups. Kai has her back and legs in a straight line and hands under her shoulders. Jason is keep
ing a slight bend in his knees with hands under his chest. Sarah has her back straight, a slight bend in her hips and hands under her stomach. Chris has his knees touching the floor, back in line with his legs and hands under his shoulders. Who is doing a perfect push-up? A. Chris
B. Jason
C. Kai
D. Sarah
