Even long-term exercisers may have misconceptions about exactly what some fitness terms mean. Here are some definition of words and phrases you're likely to encounter: Aerobic/cardiovascular activity. These are   more »

Kneeling on all fours, weight evenly distributed Hump and hollow your back. As you hump up, lower your head and as you hollow, lift your head up to look ahead of you. Repeat 3-5 times. Exercise 2 Kneeling on all fours, weight   more »