This randomized study will compare a novel tensioning compression sock with a commercially available elastic foot and ankle compression sock in healthy adults. Participants will wear their assigned sock during waking hours for at least 6 hours per day for 7 days. Balance, ankle stability, grip strength, and tibialis anterior muscle contraction characteristics will be assessed at baseline and after the 7-day intervention. Participants will also report comfort and confidence in balance and stability after the intervention.
Age 18 years or older
Able to perform sit-to-stand, jumping, and single-leg standing without pain or discomfort
Able to read, write, and speak sufficient English to complete the study questionnaire
Shoe size within the study sock range: men's sizes 4-14 or women's sizes 6-13
Feelings of ankle instability
An ankle injury within the previous 12 months
Previous surgery on either lower extremity
History of torn ligaments or cartilage at the hip, knee, or ankle
Parallel
Novel Tensioning Compression Sock
Other interventionParticipants assigned to the control group will receive a commercially available elastic foot and ankle compression sock. Participants will be instructed to wear their assigned sock during waking hours for a minimum of 6 hours per day over the 7-day intervention period.
Elastic Compression Sock
Other interventionParticipants assigned to the control group will receive a commercially available elastic foot and ankle compression sock. Participants will be instructed to wear their assigned sock during waking hours for a minimum of 6 hours per day over the 7-day intervention period.
Y-Balance Test
Mean Change From Baseline in Y-Balance Test Reach Distance at day 7 . Three recorded trials are completed in the anterior, posteromedial, and posterolateral directions on each limb and averaged.
Side Hop Test
Change From Baseline in Side Hop Test Score at day 7. Participants perform repeated single-leg side hops across lines 40 centimeters apart for 30 seconds; the highest of two trials is recorded.
Biodex Balance System
Mean Change From Baseline in Biodex Athlete Single Leg Stability Score at day 7. Three 20-second trials are completed on each lower extremity.
Grip Strength
Mean Change From Baseline in Handgrip Strength at Day 7. Two maximal contractions are performed with each hand; the highest value for each hand is recorded.
Tensiomyography
Mean Change From Baseline in Tibialis Anterior Contraction Time at Day 7. Two tensiomyography measurements are obtained for each limb and averaged.
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