Which set of steps correctly describes the movement progression for a regular pushup?A1. While standing, bend forward to touch toes.2. Lower body while keeping back straight.3. Allow body to rest on the floor for a second.4. Push through arms to raise body, keeping back straightB1. Place palms shoulder-width apart.2. Tighten core and straighten back.3. Push up through arms until elbows are straight.4. Bend elbows, lowering the body with control.5. Stop several inches above the floorC1. Walk backward until body is parallel to the floor.2. Push up through arms until elbows are straight.3. Hold for three seconds at the height of the push-up.4. Lower quickly to the floor, and then prepare to repeat.