About this trial
The purpose of this research study is to test the utility of an ankle robot, when used during treadmill walking, in people with ankle weakness and foot drop from a peripheral nervous system injury due to neuromuscular or orthopedic injury.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Men and women, aged 18 to 88 years
Chronic foot drop and ankle weakness in one leg from a peripheral nervous system injury due to a neuromuscular or orthopedic injury
Ability to walk 10 meters and arise from a chair with no human assistance (but usage of usual assistive device[s] is permitted)
Disqualifiers
Cardiac history of (a) unstable angina; (b) recent (less than 3 months) myocardial infarction, congestive heart failure (NYHA category II); and/or (c) hemodynamically significant valvular dysfunction
Hypertension that is a contraindication for a bout of walking training (greater than 160/100 mmHg on two assessments)
Medical history of (a) recent hospitalization (less than 3 months) for severe medical disease; (b) symptomatic peripheral arterial occlusive disease; (c) orthopedic or chronic pain conditions that significantly alter gait function; (d) pulmonary or renal failure; and/or (e) active cancer
Current participation in orthopedic or rehabilitation medical programs
Trial design
Single group
Treatments tested in this trial
Treadmill Ankle Robot Training
DeviceThis intervention employs the use of an adaptive ankle robot control system, during treadmill walking, over a 6-week intervention period.
Treatment groups
Trial outcomes
Primary outcomes
Gait velocity during self-selected overground walking
cm/sec
Peak dorsiflexion angle during swing phase of gait
degrees; extent of ankle dorsiflexion to enable foot clearance
Ankle dorsiflexion-plantarflexion range of motion
degrees
Postural sway areas during quiet standing
cm\^2; extent of postural deviations to assess static postural control
Locations
Sponsors and contacts
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