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Trunk biomechanics and its association with hip and knee kinematics in patients with and without patellofemoral pain.
Man Ther 2015; 20(1):189-93MT

Abstract

Patellofemoral pain (PFP) is a common lower extremity condition observed in sports clinics. Recently, it has been suggested that trunk motion could affect hip and knee biomechanics in the frontal plane. Thus, the purpose of the study was compare trunk kinematics, strength and muscle activation between people with PFP and healthy participants. In addition, the associations among trunk biomechanics, hip and knee kinematics were analysed. Thirty people with PFP and thirty pain-free individuals participated. The peak ipsilateral trunk lean, hip adduction, and knee abduction were evaluated with an electromagnetic tracking system, and the surface electromyographic signals of the iliocostalis and external oblique muscle were recorded during single-leg squats. Trunk extension and trunk flexion with rotation isometric strength and side bridge tests were quantified using a handheld dynamometer. Compared with the control group, the PFP group demonstrated increased ipsilateral trunk lean, hip adduction and knee abduction (p = 0.02-0.04) during single-leg squat accompanied with decreased trunk isometric strength (p = < 0.001-0.009). There was no between-group difference in trunk muscle activation. Only in the control group, ipsilateral trunk lean was significantly correlated with hip adduction (r = -0.66) and knee abduction (r = 0.49); also, the side bridge test correlated with knee abduction (r = -0.51). Differences in trunk, hip and knee biomechanics were found in people with PFP. No relationship among trunk, hip and knee biomechanics was found in the PFP group, suggesting that people with PFP show different movement patterns compared to the control group.

Authors+Show Affiliations

Department of Physical Therapy, Federal University of São Carlos, São Carlos, SP, Brazil. Electronic address: helissa2000@yahoo.com.br.Department of Electrical Engineering, University of São Paulo, São Carlos, SP, Brazil.Department of Physical Therapy, Federal University of São Carlos, São Carlos, SP, Brazil.

Pub Type(s)

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

Language

eng

PubMed ID

25261089

Citation

Nakagawa, Theresa Helissa, et al. "Trunk Biomechanics and Its Association With Hip and Knee Kinematics in Patients With and Without Patellofemoral Pain." Manual Therapy, vol. 20, no. 1, 2015, pp. 189-93.
Nakagawa TH, Maciel CD, Serrão FV. Trunk biomechanics and its association with hip and knee kinematics in patients with and without patellofemoral pain. Man Ther. 2015;20(1):189-93.
Nakagawa, T. H., Maciel, C. D., & Serrão, F. V. (2015). Trunk biomechanics and its association with hip and knee kinematics in patients with and without patellofemoral pain. Manual Therapy, 20(1), pp. 189-93. doi:10.1016/j.math.2014.08.013.
Nakagawa TH, Maciel CD, Serrão FV. Trunk Biomechanics and Its Association With Hip and Knee Kinematics in Patients With and Without Patellofemoral Pain. Man Ther. 2015;20(1):189-93. PubMed PMID: 25261089.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Trunk biomechanics and its association with hip and knee kinematics in patients with and without patellofemoral pain. AU - Nakagawa,Theresa Helissa, AU - Maciel,Carlos Dias, AU - Serrão,Fábio Viadanna, Y1 - 2014/09/09/ PY - 2014/01/20/received PY - 2014/08/25/revised PY - 2014/08/28/accepted PY - 2014/9/28/entrez PY - 2014/9/28/pubmed PY - 2016/11/10/medline KW - Electromyography KW - Hip joint KW - Muscle strength KW - Patella SP - 189 EP - 93 JF - Manual therapy JO - Man Ther VL - 20 IS - 1 N2 - Patellofemoral pain (PFP) is a common lower extremity condition observed in sports clinics. Recently, it has been suggested that trunk motion could affect hip and knee biomechanics in the frontal plane. Thus, the purpose of the study was compare trunk kinematics, strength and muscle activation between people with PFP and healthy participants. In addition, the associations among trunk biomechanics, hip and knee kinematics were analysed. Thirty people with PFP and thirty pain-free individuals participated. The peak ipsilateral trunk lean, hip adduction, and knee abduction were evaluated with an electromagnetic tracking system, and the surface electromyographic signals of the iliocostalis and external oblique muscle were recorded during single-leg squats. Trunk extension and trunk flexion with rotation isometric strength and side bridge tests were quantified using a handheld dynamometer. Compared with the control group, the PFP group demonstrated increased ipsilateral trunk lean, hip adduction and knee abduction (p = 0.02-0.04) during single-leg squat accompanied with decreased trunk isometric strength (p = < 0.001-0.009). There was no between-group difference in trunk muscle activation. Only in the control group, ipsilateral trunk lean was significantly correlated with hip adduction (r = -0.66) and knee abduction (r = 0.49); also, the side bridge test correlated with knee abduction (r = -0.51). Differences in trunk, hip and knee biomechanics were found in people with PFP. No relationship among trunk, hip and knee biomechanics was found in the PFP group, suggesting that people with PFP show different movement patterns compared to the control group. SN - 1532-2769 UR - https://www.unboundmedicine.com/medline/citation/25261089/Trunk_biomechanics_and_its_association_with_hip_and_knee_kinematics_in_patients_with_and_without_patellofemoral_pain_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S1356-689X(14)00179-9 DB - PRIME DP - Unbound Medicine ER -