Not sit-ups, planks, or crunches: I do this simple Pilates exercise every single day to build a strong and stable core and work on my hip flexor mobility

While exercises like sit-ups and crunches work the rectus abdominis, or "six-pack" muscles, this simple-looking exercise ...
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I tried this Pilates-inspired 'deep core' ab workout — here’s what happened to my body

After recently challenging myself to do an entire week of Pilates instead of my usual gym sessions, I’ve realised Pilates is one of those love–hate relationships for this gym and running bunny. Sure, ...