Quick, but effective leg and buns work out. Brought to you by Beachbody Coach Sherin Stark.

Beachbody Star Diamond Coach: Sherin Stark Check out today's Modify Monday video I go over how to modify lunges and the importance of proper form, to make sure you don't hurt yourself. I'm not a professional, and you should always consult a Dr. If you have knee pain. I Do not recommend you just push through the pain, it can get worse or cause damage.

Beachbody Star Diamond Coach: Sherin Stark Check out today's Modification- how to modify the bicycle crunch. Sherinstark.com