Blood Flow Restriction and Proprioception Training on Ankle Joint Sensations

Inclusion Criteria: * Participants will be selected from both sexes. * Participants BMI will be between 18 and 24.9 (Kg/m²). * Dominant or non-dominant lower limb . * Grade I, and II recurrent ankle sprain patients . * Participants self-reported a history of at least one significant lateral ankle sprain (LAS) greater than 12 months prior to testing, and recurring ankle sprains, ankle "giving way," and/or "feelings of instability." * Participant will have unilateral recurrent ankle sprain Exclusion Criteria: * A history of previous surgeries to the musculoskeletal structures (ie, bones, joint structures, nerves) in either limb of the lower extremity. * A history of a fracture in either limb of the lower extremity requiring realignment . * Acute injury to musculoskeletal structures of other joints of the lower extremity in the previous 3 months, which impacted joint integrity and function (ie, sprains, fractures) resulting in interruption of desired physical activity . * Hip joint or, Knee joint replacement . * Patients possibly at risk of adverse reactions of blood flow restriction are those with poor circulatory system, obesity, diabetes, arterial calcification, sickle cell trait, severe hypertension, or renal compromise * Any neurological conditions which affect proprioception such as polyneuropathy, multiple sclerosis, and sensory ataxia . * Vestibular deficits, and vision problems . * Pregnancy.