PTP - Therapy Twister "size-size-v-black" or the knees coming together

or the knees coming together as the person descends

The slam balls are filled with sand with a very durable latex high-density cover - they also do have an amount of air inside them

For strength and range of motion of the upper extremities

Non-Slip surface

PTP - Therapy Twister "size-size-v-black" or the knees coming togetherSuitable for sports enthusiasts, professional athletes and individuals recovering from overuse strain, the PTP Therapy Twister is designed to improve strength, mobility and joint stabilisation of the forearm and hand. Use it to prevent injuries, alleviate pain (e. g. tennis elbow) or enhance neuromuscular coordination. Comes complete with exercise suggestions. Features: For strength and range of motion of the upper extremities Can benefit wrists,