Subscribe Now: www.youtube.com/subscription_center?add_user=ehowsports Watch More: www.youtube.com/ehowsports One reason why training on a stationary bike is so efficient is because you can add as much resistance as you need. Train for hills on a stationary bike with help from a certified personal trainer and group fitness instructor in this free video clip. Expert: Mary Beth Knight Contact: www.endmybackpainnow.com Bio: Mary Beth Knight is a motivational speaker and columnist, an ACE/AFAA certified personal trainer and group fitness instructor, and creator of the FIT REVOLUTION 10-week weight loss program. Filmmaker: Lorenzo Jackson Series Description: Biking and indoor cycling are both great ways to build cardiovascular and muscular endurance and strength. Get biking and spinning tips with help from a certified personal trainer and group fitness instructor in this free video series.