Thera-Band® FlexBar with a ridged surface is used for wrist, forearm, and hand rehabilitation, upper extremity stabilization, neuromuscular re-education, massage therapy, martial arts, and sports grip strengthening.

The Thera-Band® FlexBar is made from natural rubber and is available in 3 levels of resistance.

The Red FlexBar takes 10 lbs. of force to bend to a u-shape. Green takes 15 lbs., and blue takes 25 lbs.

Flexbars allow you to strengthen and tone muscles in the arms. Light and portable, the Flexbar is a convenient way to continue your resistance workout regime when travelling or when you just can't make it to the gym.

NY Times Article