Crunches by age: Here's how many you should be able to do
A fitness trainer shared how many crunches people should be able to do according to their age. Here's what to know about the ...
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10 best ab exercises for the ultimate at-home core workout, according to personal trainers
It also includes lower ab exercises like leg lowers, heel taps, and standing knee to hands ... 10 on each side. 7. Tuck-crunch-extend Lie on your back with your hands behind your head and your ...