Feb 15, 2015 7:42am
What do you want to do with waist? Tighten or tone?
Feb 15, 2015 9:41am
4 mins is amazing. Remember to challenge your muscles also with different exercises: side planks, plank dips, bird dogs... there's a lot of great exercises
Feb 15, 2015 12:33pm
Hey, u can try different plank variations, as well as Mountain climbers. As well as different variations of crunches.
Chest & Arms try this
HIIT this will really work ur abs and help burn fat.
Do u need help with anything else? Ask what are ur goals- gain muscle and/or lose fat or gain weight?