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- Title
Limited Return to Preinjury Performance in NCAA Division I American Football Players With Hamstring Injuries.
- Authors
Hannay, William M.; Sliepka, Joseph M.; Parker, Kate; Sammons, Kyle; Gee, Albert O.; Kweon, Christopher Y.; Hagen, Mia S.
- Abstract
Background: Hamstring strains are common among elite athletes, but their effect on return to the same level of play in American football has been incompletely characterized. Purpose: Data on National Collegiate Athletics Association Division I college football players with acute hamstring strains were gathered to identify the effects these injuries have on both return to play and athletic performance regarding velocity, workload, and acceleration. Study Design: Case Series; Level of evidence, 4. Methods: Injury data for a single Division I football team were prospectively recorded over a 4-year period. Players wore global navigation satellite system and local positioning system (GNSS/LPS) devices to record movement data in practices and games. The practice and game data were cross-referenced to evaluate players with isolated acute hamstring strains. Comparisons were made regarding players' pre- and postinjury ability to maintain high velocity (>12 mph [19.3 kph]), maximal velocity, triaxial acceleration, and inertial movement analysis (IMA). There were 58 hamstring injuries in 44 players, of which 25 injuries from 20 players had GNSS/LPS data. Results: Players were able to return to play from all 25 injury incidences at a mean of 9.2 days. At the final mean follow-up of 425 days, only 4 players had reached preinjury function in all measurements; 12 players were able to return in 2 of the 4 metrics; and only 8 players reached their preinjury ability to maintain high velocity. For those who did not achieve this metric, there was a significant difference between pre- and postinjury values (722 vs 442 m; P =.016). A total of 14 players were able to regain their IMA. Players who returned to prior velocity or acceleration metrics did so at a mean of 163 days across all metrics. Conclusion: While players may be able to return to play after hamstring strain, many players do not reach preinjury levels of acceleration or velocity, even after 13.5 months. Further studies are needed to confirm these findings, assess clinical relevance on imaging performance, and improve hamstring injury prevention and rehabilitation.
- Subjects
HAMSTRING muscle injuries; SPRAIN prevention; WOUNDS &; injuries; T-test (Statistics); RESEARCH funding; GLOBAL Positioning System; PHYSICAL training &; conditioning; DESCRIPTIVE statistics; SEVERITY of illness index; WEARABLE technology; SPORTS re-entry; FOOTBALL injuries; LONGITUDINAL method; PRE-tests &; post-tests; MEDICAL records; ACQUISITION of data; ATHLETIC ability; SPRAINS; CASE studies; BODY movement; COMPARATIVE studies; EPIDEMIOLOGY; PHYSIOLOGICAL effects of acceleration; EMPLOYEES' workload
- Publication
Orthopaedic Journal of Sports Medicine, 2024, Vol 12, Issue 5, p1
- ISSN
2325-9671
- Publication type
Article
- DOI
10.1177/23259671241243345