(Another great sports tip from guest blogger Jon Doyle of Baseball Training)

A few weeks ago I introduced you to the plank. Well here's another version of the plank, called the side plank, that builds helps develop shoulder and core stability...and, like the plank, you can do it while watching the playoffs. Who said watching TV wasn't active?

Place your elbow directly under your shoulder and your foot on top of you other foot. Simply raise your hip off the ground and hold for 30-60 seconds. Repeat on other side.

(Jon Doyle is a former NCAA All-American baseball player who now works as strength and conditioning specialist. For more tips check out www.baseballtrainingsecrets.com)