Sit on a Pilates reformer short box with your feet flat on the reformer (tucked under a strap) hip-width apart. With your ...
Ready to test your fitness? See how many strict pull-ups you can do in 60 seconds and learn how to improve your strength and endurance with these expert tips.
Want to test your upper-body strength? Here's how many pull-ups you should be able to do—and the best exercises to improve.
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