"Motivation is what gets you started. Habit is what keeps you going." - Jim Ryan
Soldiers are tough, resilient, and fit. Not everyone is in good enough shape to make the cut!
If you're working out but you don't feel like you're seeing results, your sleep habits may be to blame. Take this quiz to find out!
Do you know the best ways to prevent muscle injury and get 6 pack abs? Separating muscle fact from fiction.
Did you ever think about running a marathon but weren't sure if you had what it takes? Then this quiz is your answer!
Sign up for ChaCha and you'll be able to easily get answers from thousands of ChaCha Guides on the Web and on your mobile phone, see your answer history, and stay up to date with the latest updates from ChaCha.