Determine the safety and efficacy of sub-maximal aerobic exercise during the subacute phase of recovery following sport-related concussion.
The main objective of the proposed study is to determine is exercise during the first 3-7 days following a sport-related concussion can help improve the systemic neurological dysfunction following a concussion while examining the safety and efficacy of a 20-minute, low- to moderate-intensity (40-60% of HRMAX) controlled treadmill aerobic exercise as a therapeutic modality to improve cardiovascular, psychological, vestibulo-ocular, autonomic, and cognitive function.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
30
HR-controlled treadmill walking
Tallahassee Orthopedic Clinic
Tallahassee, Florida, United States
Clinical Recovery
Clinical recovery is defined as the duration from the time of injury to the time a patient has received full clearance without restriction.
Time frame: The number of days from injury to full medical clearance up to 365 days. 80% of adolescent athletes fully recover in less than 28 days.
Heart rate variability (HRV)
The RR Interval will be extracted from the heart rate monitoring system.
Time frame: HRV will be captured for 10 minutes before, 20 minutes during, and after 25 minutes post "treatment".
Blood Pressure (SBP & DBP)
SBP \& DBP will be recorded with an automated auscultatory BP system
Time frame: SBP & DBP will be captured for 10 minutes before, 20 minutes during, and after 25 minutes post "treatment".
Ocular Dysfunction
Improvements in ocular dysfunction will be defined as a decrease in errors or reading time
Time frame: The King-Devick (K-D) will be administered before and within 5 minutes after the acute 20 minute "treatment"
Vestibular Dysfunction
Improvements in vestibular dysfunction will be defined as a decrease in symptom provocation or pretest symptom reporting
Time frame: The Vestibular / Ocular Motor Screening (VOMS) will be administered before and within 5 minutes after the acute 20 minute "treatment"
Rating of Perceived Exertion (RPE)
Borg's CR-15 will be utilized to quantifying perceived intensity of exercise
Time frame: RPE will be captured for 10 minutes before, 20 minutes during, and after 25 minutes post "treatment".
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Concussion Symptoms
All 22 symptoms from the Post-concussion symptom scale (PCSS) as measured on a Likert scale from 0 (not present) to 6 (severe)
Time frame: Symptoms will be captured for 10 minutes before, 20 minutes during, and after 25 minutes post "treatment".
Exercise Bout Completion Rates
The rate of completion will be defined as the ability for the participant to finish the "treatment" without early termination.
Time frame: Completion will be determined and recorded at the end of the acute 20 minute treatment.
Incidence of Persistent Postconcussion symptoms >28 days
Persistent symptoms duration will be categorized as either ≤28 days or \> 28 days.
Time frame: The duration in days will be calculated from the day injury to the day full clearance up to 1 year.