Andrew J Riff1, Gift Ukwuani2, Ian Clapp3, Kamran Movassaghi4, D Michael Kelly5, Shane J Nho2. 1. Indiana University Health Orthopedics & Sports Medicine, Indianapolis, Indiana, USA. 2. Rush University Medical Center, Chicago, Illinois, USA. 3. Chicago Medical School, Rosalind Franklin University of Medicine and Science, North Chicago, Illinois, USA. 4. Rush Medical College, Rush University, Chicago, Illinois, USA. 5. NovaCare Rehabilitation, Chicago, Illinois, USA.
Abstract
BACKGROUND: Since the inception of CrossFit in 2000, the popularity of high-intensity interval training (HIIT) in the United States has risen dramatically. While HIIT is a highly efficient exercise for weight loss and improved conditioning, some literature reports injuries in up to 34% of HIIT participants. We sought to evaluate the functional and sports-specific results of hip arthroscopic surgery in recreational HIIT participants. PURPOSE: To evaluate patients' ability to return to HIIT after hip arthroscopic surgery for femoroacetabular impingement syndrome (FAIS). STUDY DESIGN: Case series; Level of evidence, 4. METHODS: Consecutive patients with FAIS who had identified themselves as participating in HIIT and had undergone hip arthroscopic surgery for the treatment of FAIS by a single fellowship-trained surgeon between 2012 and 2015 were reviewed. Demographic data; preoperative physical examination findings; preoperative imaging results; preoperative patient-reported outcome (PRO) scores including the modified Harris Hip Score (mHHS), Hip Outcome Score-Activities of Daily Living (HOS-ADL), Hip Outcome Score-Sports-Specific Subscale (HOS-SSS), and visual analog scale (VAS) for pain; and postoperative examination and PRO scores at a minimum 2 years after surgery, including a HIIT-specific questionnaire, were assessed for all patients. RESULTS: Thirty-two patients (13 male, 19 female) with a mean age of 34.7 ± 6.9 years (range, 21-49 years) were identified with a minimum 24-month follow-up. Among these, 22 participated in CrossFit, 4 in Shred415, 3 in Orangetheory, and 3 in self-directed cross-training including plyometrics. Preoperatively, 14 patients had discontinued HIIT because of activity-related hip complaints, 17 patients had scaled back involvement in HIIT, and 1 patient maintained her baseline routine. Postoperatively, 28 of 32 patients (88%) returned to HIIT at a mean of 9.8 ± 5.7 months after surgery (range, 3-24 months); 96% returned to HIIT at the same level as or better than before the injury. Fear of reinjury was the most common reason for cessation (3/4). Preinjury and postoperative involvement in HIIT were comparable (5.3 vs 5.1 h/wk, respectively; P = .8). All patients had significant improvements in the HOS-ADL score (69.7 ± 17.3 to 94.2 ± 8.4; P < .001), HOS-SSS score (49.2 ± 21.2 to 83.3 ± 21.4; P < .001), mHHS score (59.9 ± 14.2 to 85.4 ± 11.6; P < .001), and VAS for pain score (7.5 ± 1.8 to 1.1 ± 1.3; P < .001) from preoperatively to postoperatively. CONCLUSION: Arthroscopic treatment of FAIS in recreational HIIT participants resulted in significant improvements in hip function and predictably high rates of patient satisfaction. Postoperatively, 88% of patients returned to HIIT, 44% noted improvement from preinjury HIIT performance, and the mean weekly participation was comparable with before the injury.
BACKGROUND: Since the inception of CrossFit in 2000, the popularity of high-intensity interval training (HIIT) in the United States has risen dramatically. While HIIT is a highly efficient exercise for weight loss and improved conditioning, some literature reports injuries in up to 34% of HIIT participants. We sought to evaluate the functional and sports-specific results of hip arthroscopic surgery in recreational HIIT participants. PURPOSE: To evaluate patients' ability to return to HIIT after hip arthroscopic surgery for femoroacetabular impingement syndrome (FAIS). STUDY DESIGN: Case series; Level of evidence, 4. METHODS: Consecutive patients with FAIS who had identified themselves as participating in HIIT and had undergone hip arthroscopic surgery for the treatment of FAIS by a single fellowship-trained surgeon between 2012 and 2015 were reviewed. Demographic data; preoperative physical examination findings; preoperative imaging results; preoperative patient-reported outcome (PRO) scores including the modified Harris Hip Score (mHHS), Hip Outcome Score-Activities of Daily Living (HOS-ADL), Hip Outcome Score-Sports-Specific Subscale (HOS-SSS), and visual analog scale (VAS) for pain; and postoperative examination and PRO scores at a minimum 2 years after surgery, including a HIIT-specific questionnaire, were assessed for all patients. RESULTS: Thirty-two patients (13 male, 19 female) with a mean age of 34.7 ± 6.9 years (range, 21-49 years) were identified with a minimum 24-month follow-up. Among these, 22 participated in CrossFit, 4 in Shred415, 3 in Orangetheory, and 3 in self-directed cross-training including plyometrics. Preoperatively, 14 patients had discontinued HIIT because of activity-related hip complaints, 17 patients had scaled back involvement in HIIT, and 1 patient maintained her baseline routine. Postoperatively, 28 of 32 patients (88%) returned to HIIT at a mean of 9.8 ± 5.7 months after surgery (range, 3-24 months); 96% returned to HIIT at the same level as or better than before the injury. Fear of reinjury was the most common reason for cessation (3/4). Preinjury and postoperative involvement in HIIT were comparable (5.3 vs 5.1 h/wk, respectively; P = .8). All patients had significant improvements in the HOS-ADL score (69.7 ± 17.3 to 94.2 ± 8.4; P < .001), HOS-SSS score (49.2 ± 21.2 to 83.3 ± 21.4; P < .001), mHHS score (59.9 ± 14.2 to 85.4 ± 11.6; P < .001), and VAS for pain score (7.5 ± 1.8 to 1.1 ± 1.3; P < .001) from preoperatively to postoperatively. CONCLUSION: Arthroscopic treatment of FAIS in recreational HIIT participants resulted in significant improvements in hip function and predictably high rates of patient satisfaction. Postoperatively, 88% of patients returned to HIIT, 44% noted improvement from preinjury HIIT performance, and the mean weekly participation was comparable with before the injury.
Entities:
Keywords:
CrossFit; FAIS; HIIT; femoroacetabular impingement syndrome; hip arthroscopic surgery
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