Convincing kids to warm up can be a tough sell. ... Arm Circles or Swings: ... Rotate them forwards, then switch to backward circles. Or swing arms forward and back from the shoulder.

Inhale and lift your arms up overhead with your palms facing forward, and exhale as you rotate your arms back behind you, keeping your palms facing forward. Make large arm circles backward 15 seconds.

A cheetah doesn't need much of a warm-up.A leg stretch, a back arch, a yawn. Then it's time to scare up some dinner--not a problem when your top speed is nearly 70 miles an hour.