Forget the gym — this 12-move kettlebell abs workout boosts your core strength and power

What does drinking collagen water every day do to your body We tested it out to see what, if any, benefits exist

This abs workout uses one dumbbell and five exercises to sculpt a strong and stable core

Indoor cycling is a low-impact way to increase your training load and I found it an enjoyable and effective addition to my running during marathon training

What is a sissy squat, and what happens when you do 100 reps every day for one week Our writer found out with this squat challenge

A full-body workout you can do in the comfort of your own home — no squat racks or barbells required