Difference in Hip Prosthesis Femoral Offset Affects Hip Abductor Strength and Gait Characteristics During Obstacle Crossing

Chamnongkich, Samatchai; Asayama, Isao; Kinsey, Tracy L.; Mahoney, Ormonde M.; Simpson, Kathy J.

doi:10.1016/j.ocl.2012.07.008

Cited by 22 publications

(16 citation statements)

References 29 publications

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“…Studies have shown that anatomical alterations of the hip in the frontal plane, such as femoral offset, are correlated with the strength of the hip abductor muscles. 29 However, we did not find any studies investigating the relationship between anatomical alterations in the frontal plane of the knee (q-angle) and the strength of the hip muscles. Our results do not support the hypothesis that the q-angle has a relationship with the capacity of the hip muscles to generate torque.…”

Section: Discussionmentioning

confidence: 74%

Q-angle in patellofemoral pain: relationship with dynamic knee valgus, hip abductor torque, pain and function

Almeida

Silva²,

França

et al. 2016

Revista Brasileira de Ortopedia (English Edition)

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ObjectiveTo investigate the relationship between the q-angle and anterior knee pain severity, functional capacity, dynamic knee valgus and hip abductor torque in women with patellofemoral pain syndrome (PFPS).MethodsThis study included 22 women with PFPS. The q-angle was assessed using goniometry: the participants were positioned in dorsal decubitus with the knee and hip extended, and the hip and foot in neutral rotation. Anterior knee pain severity was assessed using a visual analog scale, and functional capacity was assessed using the anterior knee pain scale. Dynamic valgus was evaluated using the frontal plane projection angle (FPPA) of the knee, which was recorded using a digital camera during step down, and hip abductor peak torque was recorded using a handheld dynamometer.ResultsThe q-angle did not present any significant correlation with severity of knee pain (r = −0.29; p = 0.19), functional capacity (r = −0.08; p = 0.72), FPPA (r = −0.28; p = 0.19) or isometric peak torque of the abductor muscles (r = −0.21; p = 0.35).ConclusionThe q-angle did not present any relationship with pain intensity, functional capacity, FPPA, or hip abductor peak torque in the patients with PFPS.

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Section: Discussionmentioning

confidence: 74%

Q-angle in patellofemoral pain: relationship with dynamic knee valgus, hip abductor torque, pain and function

Almeida

Silva²,

França

et al. 2016

Revista Brasileira de Ortopedia (English Edition)

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“…Moreover, in the study of Beaulieu et al, the THR group tested between 6 and 15 months postoperatively displayed a significantly lower peak adduction angle in the operated hip in comparison with the control group. Our THR patients showed an increased hip adduction angle that could be due to differences in femoral stem orientation during surgery . In general and regarding the ipsilateral hip, the reconstructing femoral head‐shaft offset correlates with hip stability and wear, abductor function, and postoperative gait kinematics .…”

Section: Discussionmentioning

confidence: 83%

“…These controversial findings may be due to the fact that the radiographic status of the knees and the contralateral hip is usually not known. In particular, it is possible that some of the hips and knees in patients with a THR may have some asymptomatic radiographic degeneration or that a leg malalignment is present or affected by the reconstructing femoral head‐shaft offset of the hip implant . However, our inclusion criteria required at least that all patients were asymptomatic with no known musculoskeletal diagnoses.…”

Section: Discussionmentioning

confidence: 99%

“…It has been shown that a THR can alter the anatomical limb alignment in the frontal plane . Kinematic pelvic parameters were included because the femoral offset reconstruction during a THR has an effect on hip abductor strength and thus can affect pelvic and trunk stability during gait. In addition, we determined the maximum lateral trunk displacement and the mean foot progression angle throughout the stance phase.…”

Section: Methodsmentioning

confidence: 99%

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Abnormal loading of the hip and knee joints in unilateral hip osteoarthritis persists two years after total hip replacement

Stief

Schmidt

Drongelen³

et al. 2018

Journal Orthopaedic Research

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A total hip replacement (THR) is a common and routine procedure to reduce pain and restore normal activity. Gait analysis can provide insights into functional characteristics and dynamic joint loading situation not identifiable by clinical examination or static radiographic measures. The present prospective longitudinal study tested whether 2 years after surgery a THR would restore dynamic loading of the knee and hip joints in the frontal plane to normal. Instrumented gait analysis was performed shortly before surgery and approximately 2 years after THR on 15 unilateral hip osteoarthritis (OA) patients. 15 asymptomatic matched individuals were recruited as healthy controls. Results showed that abnormal joint loading persisted 2 years after THR. The 2nd external knee adduction moment in terminal stance in the affected (-34%, p = 0.002, d = 1.22) and non-affected limb (-25%, p = 0.035, d = 0.81) was lower compared to controls and thus indicated a shift in the knee joint load distribution from medial to lateral. A correlation analysis revealed that a smaller hip range of motion explained 46% of 2nd knee adduction moment alterations. In contrast, the 2nd external hip adduction moment in terminal stance was postoperatively higher in the affected (+22%, p = 0.007, d = 1.04) and non-affected limb (+22%, p = 0.005, d = 1.05). Here, 51% of 2nd hip adduction moment alterations can be explained with a greater hip adduction angle. Patients with a THR may therefore be at higher risk for abnormal joint loading and thus for the development of OA in other joints of the lower extremities. © 2018 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res.

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“…Alterations of frontal plane pelvic motion during gait have been related to hip OA causing pain, limited range of motion of the hip joint and decreased muscle strength of the hip abductor muscles [22,23], often resulting in a limp or gait asymmetry by compensatory mechanisms of the trunk [24]. During single-limb support in the stance phase of gait, pelvic equilibrium in the frontal plane is ensured by the hip abductor muscles which help maintaining balance of the trunk [25]. In patients with hip OA, weakness of the hip abductor muscles can result in two distinct walking patterns.…”

Section: Discussionmentioning

confidence: 99%

Frontal Plane Pelvic Motion during Gait Captures Hip Osteoarthritis Related Disability

et al. 2015

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Gait analysis has widely been accepted as an objective measure of function and clinical outcome. Ambulatory accelerometer-based gait analysis has emerged as a clinically more feasible alternative to optical motion capture systems but does not provide kinematic characterization to identify disease dependent mechanisms causing walking disability. This study investigated the potential of a single inertial sensor to derive frontal plane motion of the pelvis (i.e. pelvic obliquity) and help identify hip osteoarthritis (OA) related gait alterations. Patients with advanced unilateral hip OA (n=20) were compared to patients with advanced unilateral knee OA (n=20) and to a healthy control group (n=20). Kinematic characterization of frontal plane pelvic motion during gait demonstrated decreased range of motion and increased asymmetry for hip OA patients specifically.

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Difference in Hip Prosthesis Femoral Offset Affects Hip Abductor Strength and Gait Characteristics During Obstacle Crossing

Cited by 22 publications

References 29 publications

Q-angle in patellofemoral pain: relationship with dynamic knee valgus, hip abductor torque, pain and function

Q-angle in patellofemoral pain: relationship with dynamic knee valgus, hip abductor torque, pain and function

Abnormal loading of the hip and knee joints in unilateral hip osteoarthritis persists two years after total hip replacement

Frontal Plane Pelvic Motion during Gait Captures Hip Osteoarthritis Related Disability

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