@dr.lisa.dpt: Want to gain speed? Start jumping! Research shows plyometrics improves your lower extremity stiffness or springyness and therefore can generate more speed. It does not change your VO2 max, but still has plenty of benefits. #plyometricstraining #runningtips #runtok #runningtips #marathontraining #workoutsforrunners #achillespain #runningformtips