Forget sit-ups — I tried the sprinter bridge instead to boost my core strength, and here's what happened

If your core workouts are feeling stale, add some variety to your training sessions by introducing the sprinter bridge, which ...
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5-MINUTE FITNESS: Lunges, push-ups, slide planks, sprinter crunches, running man

Scot talks to Rose at Tankworks about what to do if you have an old and rotting oil tank from before 1990.
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Trainers Say You Can Strengthen Your Lower Abs By Making This Tweak To A Crunch

Looking to amp up your core workout with a move that really targets those stubborn lower abs? Enter the reverse crunch. This exercise zeroes in on those hard-to-reach lower abdominal muscles, helping ...
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You don't need planks to strengthen your deep core muscles — I’m a personal trainer, and I prefer the 'tuck crunch' exercise

Planks are hailed as one of the ultimate bodyweight exercises for building a strong, stable and sculpted core, but trust me, you don’t really need them. There’s a never-ending list of abs workouts ...