Context: Strength deficits and decreased scores on generic, dimension-specific, and region-specific health-related quality of life (HRQL) PRO measures are commonly documented among individuals with chronic ankle instability (CAI). However, it is unknown if there is a relationship between hip strength and self-reported patient-reported outcome (PRO) scores. Objective: To compare isometric peak torque for hip-extension (H-EXT) and hip-abduction (H-ABD), as well as PRO scores between CAI, lateral ankle sprain copers (LAS copers), and uninjured controls (UC). The secondary purpose was to examine the relationship between isometric hip peak torque and PROs in participants with CAI. Design: Cross-sectional. Setting: Laboratory. Participants: Sixty-three individuals, 45 women (23.02 [3.83] y, 165.91 [7.55] cm, 67.28 [11.95] kg) and 18 men (26.28 [5.43] y, 179.28 [9.01] cm, 83.87 [13.26] kg), grouped as uninjured control (n = 26), LAS coper (n = 15), or CAI (n = 22). Main Outcome Measures: The Foot and Ankle Ability Measure was used to assess region-specific HRQL. The Fear Avoidance Beliefs Questionnaire was used to assess injury-related fear. The Disablement in Physically Active was used to assess global HRQL. Isometric peak torque was measured with a handheld dynamometer for H-EXT and H-ABD. Results: No group differences were observed for H-ABD (P = .34) or H-EXT (P = .35). The CAI group had significantly worse scores on all PROs compared with LAS coper (P < .001) and HC (P < .001). Moderate–weak correlations were found between H-ABD and Foot and Ankle Ability Measure—activities of daily living (P = .047; ρ = .392) and Foot and Ankle Ability Measure-Sport (P = .013; ρ = .482) and H- EXT and Fear Avoidance Beliefs Questionnaire-Work (P = .007; ρ = −.517). Conclusions: Individuals with CAI displayed lower HRQL based on worse scores on generic, dimension-specific, and region-specific PROs compared with LAS copers and uninjured controls. There were no significant between-group differences for H-EXT and H-ABD isometric peak torque production, but there was a moderate positive relationship between isometric H-ABD and self-reported ankle disability in individuals with CAI.
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Isometric Hip Strength and Patient-Reported Outcomes of Individuals With and Without Chronic Ankle Instability
Katherine A. Bain, Paige A. Clawson, Stacey A. Slone, Phillip A. Gribble, Johanna M. Hoch, Matthew C. Hoch, and Kyle B. Kosik
Health-Related Quality of Life Among Patients With Painful Chronic Ankle Instability
Kyle B. Kosik, Matthew C. Hoch, Stacey Slone, Katherine A. Bain, and Phillip A. Gribble
More than half of individuals with chronic ankle instability (CAI) experience lingering pain from a previous injury. However, there is little empirical evidence investigating the role pain has on health-related quality of life (HRQL). The purpose of this cross-sectional study was to compare physical and psychological HRQL between CAI individuals with and without pain. Group comparisons demonstrated that CAI individuals with pain displayed a lower physical and mental HRQL than those without pain. In addition, CAI individuals with pain reported greater injury-related fear. These findings suggest that persistent pain compounds the negative effect that ankle joint instability has on physical and mental HRQL outcomes. Therefore, conservative therapies should consider multimodal approaches rather than focusing on joint stability alone.
Personal and Social Correlates of Self-Reported Physical Activity in Individuals With a History of Anterior Cruciate Ligament Reconstruction
Rachel R. Kleis, Deirdre Dlugonski, Matthew C. Hoch, Rachel Hogg-Graham, Stacey Slone, and Johanna M. Hoch
Physical activity is negatively impacted after anterior cruciate ligament (ACL) injury and subsequent reconstruction. Previous evidence suggests that individuals with a history of ACL reconstruction (ACLR) may experience additional barriers to sport and physical activity participation. The purpose of this study was to identify personal and social factors (physical literacy, social support, and knee function) that are predictive of self-reported physical activity in individuals with a history of ACLR. Bivariate analyses determined that elements of physical literacy and knee function were positively correlated with self-reported physical activity. The final stepwise linear regression model demonstrated that the PLAYself Physical Literacy Self-description subsection accounted for 12.2% of the variance of self-reported physical activity (p = .003). The significant effect of the PLAYself Physical Literacy Self-description remained (p = .002) even when additional demographic covariates (age, time since ACLR, and sex) were added to the model. Findings suggest that physical literacy may be a salient factor to consider for promoting physical activity after ACLR.
