Can’t do sit-ups? The 4 standing core exercises I recommend if you can’t get on the floor

Strengthen your core without the mat ...
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This is how many sit-ups you should be able to do for your age - and why it matters

Whilst almost anyone can do a crunch or a sit-up, for most of us the higher reps remain the preserve of avid gym-goers, Olympians and celebrities. However, in reality, physiologists and personal ...