If you’re looking for a better aid for specific muscle release, The 9" Silver (was red) Yamuna Body Rolling Ball is your best solution because it’s slightly denser and harder than the Yellow Yamuna Ball. No one likes having muscle problems and in a panic, it is often easy to contact your health insurance provider such as Aviva (http://www.aviva.co.uk/) to check if you are covered for various treatments. However before you consider surgery or expensive therapy, why not give the Yamuna Body Rolling Ball a go? 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. Use Yamuna Body Rolling to keep your neuromuscular and skeletal systems functioning optimally. It helps you listen to your body and tune into it so you can develop greater control over what goes on within you and move more freely and intelligently, in body therapy practice, while you exercise or in your daily activities." No harmful phthalates are used in the making of Yamuna balls. Healthy for you and healthy for the environment! **Because the Yamuna Silver (was red) Ball ships deflated, we suggest buying a Yamuna Pump with your purchase of the ball. You’ll be able easily travel anywhere, the deflated ball will take up less space, and you can pump it up whenever you like. John takes this ball and the Pearl Yamuna Ball with him when he travels. At the airport you can see him rolling on the Silver (was red) Yamuna Ball in a corner, or leaning on a Black Calf Ball while he sits in his seat on the plane "After only a few Yamuna Body Rolling workouts I began to notice improved range of motion in my shoulder and decreased discomfort in my thoracic spine. I continued with YBR and had some significant increase in my shoulder range of motion and decrease in shoulder pain. Perhaps more notable was the fact that my posture corrected in my spine – in spite of the permanent damage associated with the spinal fracture."