Flexibility and mobility can be cultivated ... your toes is a good way to test your lower back, hips and hamstrings. Those with short arms might not be able to reach all the way down, but if ...

Shoulder mobility is incredibly important ... or your hand can’t reach it, then you’ve failed the test. Lie faceup on the very edge of your bed or a sturdy table. Let your legs hang off.

Test it: From the hips, reach your hand behind your back and touch your mid back with your thumb. This is a healthy range of mobility. If you struggle to touch the small of your back or even your ...