Running Alterations Pre- and Postarthroscopy for Femoroacetabular Impingement Syndrome and Labral Tears

Author:

Freemyer Bret1,Beeler Derek2,Crawford Scott3,Durkin Robert4,Stickley Christopher1

Affiliation:

1. Department of Kinesiology and Rehabilitation Sciences, University of Hawaiʻi at Mānoa, Honolulu, Hawaii;

2. Department of Sports Medicine, Mercyhurst University, Erie, Pennsylvania;

3. Hawaii Pacific Health, Straub Medical Center, Honolulu, Hawaii; and

4. Hawaii Pacific Health, Kapiolani Medical Center for Women and Children, Honolulu, Hawaii

Abstract

Abstract Freemyer, B, Beeler, D, Crawford, S, Durkin, R, and Stickley, C. Running alterations pre- and postarthroscopy for femoroacetabular impingement syndrome and labral tears. J Strength Cond Res XX(X): 000–000, 2023—Running is essential to sports participation and activity over the lifespan; however, running biomechanics are not fully described in patients with femoroacetabular impingement (FAIS). The purpose was to compare FAIS patient report outcome surveys (PRO) and running biomechanics preoperatively and 6 months postoperatively with controls. Nineteen subjects (FAIS, n = 10 and age-matched controls, n = 9) were included. The UCLA, Hip Outcome Score activity of daily living (HOSADL) and sports subscale (HOSSS), and 3-D running biomechanics were evaluated. Statistical parametric mapping was conducted on biomechanics data. Statistical significance was set at p ≤ 0.05. Femoroacetabular impingement had similar UCLA activity scores compared with controls by 6 months (FAIS: 8.4 ± 1.7, CON: 8.6 ± 2.0, p = 0.80), despite lower HOSADL (FAIS-Six: 89.3 ± 6.3, CON: 100 ± 0, p = 0.04) and HOSSS (FAIS-Six: 82.6 ± 18.5, CON: 100 ± 0, p = 0.05). The FAIS group had lower knee adduction moments (KAM) around 22–27% of stance (p = 0.05) and lower sagittal plane ankle power generation during the final 5% of stance compared with the controls (p = 0.04) preoperatively. The FAIS also had lower vertical ground reaction forces the first 2% of stance (p = 0.05) and lower KAM from 20 to 30% stance (p = 0.03) at the postoperative time vs. controls. Femoroacetabular impingement had higher hip external rotation angles the first 5% stance (p = 0.05) and the last 20% of stance (p = 0.01) vs. controls. This is the first study to describe FAIS running pre- and postoperatively. Despite higher activity and health 6 months postarthroscopy, the patients with FAIS had altered running biomechanics. Clinicians should consider these findings when creating rehabilitation protocols and during running progressions across the postoperative care of patients with FAIS.

Funder

Far West Athletic Trainers Association

Publisher

Ovid Technologies (Wolters Kluwer Health)

Subject

Physical Therapy, Sports Therapy and Rehabilitation,Orthopedics and Sports Medicine,General Medicine

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