Relieve pain in your calves and ankles by using these 4” balls to release muscle tension in the fronts and backs of your calves and ankles with Body Rolling. Perfect gift idea for runners, cyclers, dancers, et cetera! Sold as a set of two 4” balls. These little balls are used as a pair. Yamuna first developed them for runners, cyclists, dancers, and climbers to work their knees, calves, and ankles. You can also use them to roll up both sides of the spine at the same time. Most exciting: they're our yoga balls. Applying the black balls at tight points of individual tendons and muscles, you can master even the most difficult yoga postures. How Can Body Rolling Help? "Body therapy professionals such as massage therapists and yoga teachers use Body Rolling is a therapeutic self-care treatment. They also use it to educate and empower clients to develop deeper and closer connections with their own bodies. Body rolling blends with and enhances massage, physical therapy, bodywork, yoga teaching, fitness training, and somatic therapies like Feldenkrais and Alexander technique. Created during seventeen years of bodywork treatments, Body Rolling is a hands-on approach to learning how anatomy responds. You can prevent many aches and pains by using Body Rolling to maintain healthy bones, muscles and tissues. You also gain greater control over what’s going on within you, and you’ll be able to use your body more freely and intelligently in your body therapy practice, when you exercise, and in everyday activities because you’ll be more closely in tune with your body."