Boost your grip and forearm strength with the heavy resistance TheraBand FlexBar in blue. The FlexBar is an essential tool for rehabilitation and strengthening exercises that effectively reduce muscle soreness and joint pain. Its unique, ergonomic design allows for gentle yet powerful workouts, making it perfect for individuals dealing with tennis elbow, golfer's elbow, tendonitis, or medial epicondylitis. Clinical studies have shown a remarkable 72% increase in tendon strength for tennis elbow patients who use the TheraBand FlexBar. With four progressive levels to choose from, you can find the perfect resistance for your specific needs, whether you're a youth, senior, or elite athlete. The FlexBar's yellow level requires 6lbs of force and is ideal for gentle hand and wrist exercises, while the red level requires 10lbs of force for moderate strengthening. For more advanced exercises, the green level requires 15lbs of force and the blue level requires 25lbs of force.