Mike: If you want to check out more videos on leg-strengthening exercises for seniors, check out our video "3 Leg Strengthening Exercises Every Senior Should Do." Brad: There you go.

We did a video, which is very popular about strengthening the arms. So, upon popular request, we are doing one on essential leg strengthening. Mike: For each of these exercises, start with 10 ...

In this six-part series, we'll give you quick exercises for different body parts every week to help you stay limber at your desk.