Coach cardio tells his class to do 5 perfect modified push-ups. which one of your friends has perfect form? jason has his toes on the floor, legs and back in a straight line, hands under his chest and elbows bend to 90 degrees. joey has his toes and knees on the floor, legs and back in a straight line, hands under his chest and elbows bend to 45 degrees. kai has her toes and knees on the floor, legs and back in a straight line, hands under her shoulders and elbows bend to 90 degrees. katie has her toes and knees on the floor, back flat with rear end over the knees, hands under her shoulders and elbows bend to 45 degrees.