article_snippet.sent: Modified push-ups with your knees on the floor aren't just a cop-out for the real thing, Modified push-ups with your knees on the floor activate the entire upper body to get that J-Lo tone.
article_snippet.sent: Start on all fours with your hands on the floor, slightly wider apart than shoulder width.
article_snippet.sent: Slide your knees back and raise your feet off the floor until you are in a position where you can bend the elbows to drop your chest and push back up.
article_snippet.sent: Make sure you move the entire upper body, not just dipping your shoulders.
highlights_snippet.sent: Try modified push-ups which activate the entire upper body .