Remote Ischemic Conditioning and Spinal Reflex Modulation

See descriptions under arm/group descriptions. RIC is delivered for 5 intervention visits. Visits 1 is the baseline assessment visit, and visits 2-6 are RIC plus training visits.

See descriptions under arm/group descriptions. Sham conditioning is delivered for 5 intervention visits. Visits 1 is the baseline assessment visit, and visits 2-6 are Sham plus training visits.

All participants will undergo training on a balance board, learning to hold the board level within the 5- degree horizontal range. Participants perform the balance task for 15, 30-second trials per day at visits 2-6.