3 reasons why I use isometrics for pain and performance. 1. Isometrics work great for anyone dealing with tendon pain. Especially Yielding Isometrics which load a specific joint angle to enhance motor unit recruitment with minimal change in muscle fibre length. This leads to reduced pain and inhibition around the site of injury. 2. Isometrics are great for individuals who have a very low training age and need to develop motor control and sensory feedback with learning new skills in the weight ro