Whole-body Vibration Without Visual Feedback on Postural Steadiness in Unilateral Trans-femoral Traumatic Amputees
This study will investigate the effects of Whole-body vibration without visual feedback on postural steadiness in unilateral trans-femoral traumatic amputees. This study will be carried out at the outpatient clinic of the faculty of physical therapy, modern university for technology and information, and El Wafaa wel Amal hospital.

All participants will sign a written consent form after receiving full information about the purpose of the study, procedure, possible benefits, privacy, and use of data.
- EligibilityCriteria: Inclusion Criteria:  40 to 55 years of age. Residual femoral length from ischial tuberosity to the end of the limb with distal soft tissue compressed (15-35 cm) Unilateral trans-femoral traumatic amputation with single-axis mechanical knees, axial foot (single axis). Able to walk without the use of any assistive device; subjects must have obtained a score of > 5 for Houghton Scale to indicate active use of prosthesis and > 41 for Berg Balance Scale (BBS). Medicare level 3 (community) ambulatory or above. Ability to descend stairs and hills without caregiver and assistive devices. Be able to independently provide informed consent. Be willing to comply with study procedures.  Exclusion Criteria:  Reduced somatosensory sensibility of the non-affected limb, ulceration or pain at the stump the amputation was of vascular origin Poor fittings of prosthesis Visual or vestibular impairment (vertigo or dizziness) Lower limb musculoskeletal injury and other neurological deficits - HealthyVolunteers: No - Gender: All - MinimumAge: 40 Years - MaximumAge: 55 Years - StdAgeList: Adult