Comparing the Effects of Manual Cross Friction Massage Versus Instrument-Assisted Soft Tissue Mobilization on Pain, Range of Motion, And Functional Disability in Patients With Chronic Lateral Epicondylitis

Inclusion Criteria: * Both male and female aged between 18 to 60 years with a clinical diagnosis of lateral elbow pain lasting for≥ 6 months duration * VAS score ≥ 4 during resisted wrist extension or grip activity ≥1 of the following tests being positive . * Mill's test pain on passive wrist flexion and elbow extension * Cozen's test pain on resisted wrist extension, elbow extended, wrist in flexion and medial deviation . * Painful palpation at the origin of the ECRB or lateral epicondyle Exclusion Criteria: * History of recent fracture, dislocation, or surgery near the elbow joint in the last 3 month * Neurological or systemic inflammatory conditions (e.g., rheumatoid arthritis) * Current use of corticosteroid injections in the elbow region within the past 6 weeks * Previous physiotherapy interventions for the same complaint in the last 3 months. * Skin disorders or open wounds near the treatment area.