Forget planks — strengthen and tone your core with just 1 resistance band and these 5 moves
You can find a rundown on the exercises below and watch Yu perform each move. Glute Bridge Abduction Cross Crunch: 30-40 secs ...
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Bicycle crunches are a great core-strengthening exercise for runners – here’s how to master them
The exercise is a variation of an ab crunch, where one leg flexes while the other extends. At the same time, there is rotation at the lumbar spine – the part of the spine in your lower back ...