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Working your abs on the floor is so old school! Forget countless reps of crunches that can bother your back—get up off the floor to work your core more effectively (and burn more calories in the
Want to start swimming for fitness? Go for it! This low-impact exercise offers countless mental and physical benefits, including full body muscle endurance, cardiovascular endurance, core streng
Strengthening your abdominal muscles helps decrease and prevent back pain. These muscles are also responsible for your posture and your form (think: how you walk, jog, or just move in general).