Do this mobility drill before your next run: • Start in a plank • Move into downward facing dog and stretch your hamstrings • Lift one leg, step into a runner’s lunge, and rotate your arm to the sky for thoracic spine mobility • Switch sides and repeat • Return to plank, then back to down dog • From down dog, drop into bear position • Flow between bear and down dog to train knee extension and strengthen your anterior tibialis (key for preventing shin splints)A quick sequence like this will warm