Getty Images
Male sprinter getting set at starting block
Male sprinter getting set at starting block
Getty Images
Young couple doing stretching exercises in nature
Young couple doing stretching exercises in nature
Getty Images
Male sprinters stretching and getting set at starting blocks
Male sprinters stretching and getting set at starting blocks
Getty Images
A swimmer adjusts his goggles while his competitor stretches and prepares for their race.
A swimmer adjusts his goggles while his competitor stretches and prepares for their race.
Getty Images
Male sprinters stretching and getting set at starting blocks
Male sprinters stretching and getting set at starting blocks
Getty Images
DS Man teaching son a stretching exercise on bench
DS Man teaching son a stretching exercise on bench