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Comparison of hip and knee strength in males with and without patellofemoral pain.
Phys Ther Sport. 2015 Aug; 16(3):215-21.PT

Abstract

OBJECTIVES

The primary purpose of this study was to compare hip strength in males with and without patellofemoral pain (PFP). The secondary purpose was to compare knee strength in males with and without PFP.

DESIGN

Secondary analysis of cross-sectional data for males with and without PFP from a larger randomized controlled trial examining hip and core versus knee-muscle strengthening for the treatment of PFP.

SETTING

Laboratory setting.

PARTICIPANTS

Sixty-six males with PFP and 36 controls.

MAIN OUTCOME MEASURES

Peak isometric force for the hip abductors, external rotators, internal rotators, extensors, and knee extensors expressed as a percentage of body mass (%BM).

RESULTS

No differences existed with respect to any of the hip strength measures (P > .05). Males with PFP demonstrated almost 17% less knee extensor strength than controls (mean difference = 7.3 %BM; 95% confidence interval, 1.3-13.4 %BM; t = 2.41; P = .02).

CONCLUSIONS

Unlike females, males with PFP did not demonstrate hip muscle weakness. However, differences did exist with knee extensor strength. These data provide preliminary evidence for the potential need for sex-specific interventions for individuals with PFP.

Authors+Show Affiliations

EC-1334, Department of Physical Therapy, College of Allied Health Sciences, Georgia Regents University, Augusta, GA 30912, USA. Electronic address: lbolgla@gru.edu.Department of Kinesiology, University of Wisconsin-Milwaukee, Milwaukee, WI, USA.Faculties of Kinesiology and Medicine, University of Calgary, Calgary, AB, Canada.Department of Kinesiology and Nutrition, University of Illinois at Chicago, Chicago, IL, USA.Faculties of Kinesiology and Nursing, University of Calgary, Calgary, AB, Canada.

Pub Type(s)

Journal Article
Randomized Controlled Trial
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

25869422

Citation

Bolgla, Lori A., et al. "Comparison of Hip and Knee Strength in Males With and Without Patellofemoral Pain." Physical Therapy in Sport : Official Journal of the Association of Chartered Physiotherapists in Sports Medicine, vol. 16, no. 3, 2015, pp. 215-21.
Bolgla LA, Earl-Boehm J, Emery C, et al. Comparison of hip and knee strength in males with and without patellofemoral pain. Phys Ther Sport. 2015;16(3):215-21.
Bolgla, L. A., Earl-Boehm, J., Emery, C., Hamstra-Wright, K., & Ferber, R. (2015). Comparison of hip and knee strength in males with and without patellofemoral pain. Physical Therapy in Sport : Official Journal of the Association of Chartered Physiotherapists in Sports Medicine, 16(3), 215-21. https://doi.org/10.1016/j.ptsp.2014.11.001
Bolgla LA, et al. Comparison of Hip and Knee Strength in Males With and Without Patellofemoral Pain. Phys Ther Sport. 2015;16(3):215-21. PubMed PMID: 25869422.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Comparison of hip and knee strength in males with and without patellofemoral pain. AU - Bolgla,Lori A, AU - Earl-Boehm,Jennifer, AU - Emery,Carolyn, AU - Hamstra-Wright,Karrie, AU - Ferber,Reed, Y1 - 2014/11/20/ PY - 2014/06/10/received PY - 2014/11/06/revised PY - 2014/11/09/accepted PY - 2015/4/15/entrez PY - 2015/4/15/pubmed PY - 2016/4/27/medline KW - Hip KW - Male KW - Patellofemoral pain SP - 215 EP - 21 JF - Physical therapy in sport : official journal of the Association of Chartered Physiotherapists in Sports Medicine JO - Phys Ther Sport VL - 16 IS - 3 N2 - OBJECTIVES: The primary purpose of this study was to compare hip strength in males with and without patellofemoral pain (PFP). The secondary purpose was to compare knee strength in males with and without PFP. DESIGN: Secondary analysis of cross-sectional data for males with and without PFP from a larger randomized controlled trial examining hip and core versus knee-muscle strengthening for the treatment of PFP. SETTING: Laboratory setting. PARTICIPANTS: Sixty-six males with PFP and 36 controls. MAIN OUTCOME MEASURES: Peak isometric force for the hip abductors, external rotators, internal rotators, extensors, and knee extensors expressed as a percentage of body mass (%BM). RESULTS: No differences existed with respect to any of the hip strength measures (P > .05). Males with PFP demonstrated almost 17% less knee extensor strength than controls (mean difference = 7.3 %BM; 95% confidence interval, 1.3-13.4 %BM; t = 2.41; P = .02). CONCLUSIONS: Unlike females, males with PFP did not demonstrate hip muscle weakness. However, differences did exist with knee extensor strength. These data provide preliminary evidence for the potential need for sex-specific interventions for individuals with PFP. SN - 1873-1600 UR - https://www.unboundmedicine.com/medline/citation/25869422/Comparison_of_hip_and_knee_strength_in_males_with_and_without_patellofemoral_pain_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S1466-853X(14)00104-7 DB - PRIME DP - Unbound Medicine ER -