Isometric Intervention for Lateral Elbow Tendinopathy

Inclusion Criteria: * \- 18 years old or older * Currently has lateral elbow pain * If bilateral lateral elbow pain is present, the more symptomatic side will be assessed * At the time of presentation, individuals have been evaluated as having clinical diagnosed LET for at least 4 weeks * AND: Positive pain response to at least two of the following tests: * Pain with palpation on the affected elbow * Pain with resisted wrist or middle finger extension * Pain while stretching the lateral forearm muscles (Mills Test) * At least 30% deficit of pain-free grip compared with the unaffected side Exclusion Criteria: * \- Radicular/Cervical conditions reproducing elbow symptoms * rheumatoid arthritis * Other elbow pathologies: bursitis, medial epicondylalgia, radial nerve entrapment, posterolateral rotary instability * History of fracture to the radius, ulna, or humerus with resultant deformity of the involved extremity * History of an injection within 6 months * Inability to place the shoulder, elbow and wrist in the required testing position * The affected elbow had been operated on