Effect of the lateral rotators on load transfer in the human hip joint revealed by mechanical analysis

Weißgraeber, Philipp; Wall, Hans Van der; Khabbazeh, S.; Kroker, Andreas Markus; Becker, Wilfried

doi:10.1016/j.aanat.2012.02.020

Cited by 8 publications

(5 citation statements)

References 30 publications

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“…The importance of the hip muscles to generate joint power during block starts has been highlighted by several studies (Bezodis et al, 2015;Brazil et al, 2017;Mero, Kuitunen, Harland, Kyrolainen, & Komi, 2006). The hip joint is spanned by over 20 muscles (Weißgraeber, V.D. Wall, Khabbazeh, Kroker, & Becker, 2012).…”

Section: Discussionmentioning

confidence: 99%

The effect of a reduced first step width on starting block and first stance power and impulses during an athletic sprint start

Sandamas

Gutierrez-Farewik

Arndt

2018

Journal of Sports Sciences

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This study investigated how manipulating first step width affects 3D external force production, centre of mass (CoM) motion and performance in athletic sprinting. Eight male and 2 female competitive sprinters (100m PB: 11.03 ± 0.36 s male and 11.6 ± 0.45 s female) performed 10 maximal effort block starts. External force and three-dimensional kinematics were recorded in both the block and first stance phases. Five trials were performed with the athletes performing their preferred technique (Skating) and five trials with the athletes running inside a 0.3 m lane (Narrow). By reducing step width from a mean of 0.31 ± 0.06 m (Skating) to 0.19 ± 0.03 m (Narrow), reductions were found between the two styles in medial block and medial 1st stance impulses, 1st stance anterior toe-off velocity and mediolateral motion of the CoM. No differences were found in block time, step length, stance time, average net resultant force vector, net anteroposterior impulse nor normalised external power.Step width correlated positively with medial impulse but not with braking nor net anteroposterior impulse. Despite less medially directed forces and less mediolateral motion of the CoM in the Narrow trials, no immediate improvement to performance was found by restricting step width.

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Section: Discussionmentioning

confidence: 99%

The effect of a reduced first step width on starting block and first stance power and impulses during an athletic sprint start

Sandamas

Gutierrez-Farewik

Arndt

2018

Journal of Sports Sciences

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“…Pelvic bone was assigned to behave as a homogeneous, isotropic, linear-elastic material, with an elastic modulus E = 7 GPa and Possion's ratio n = 0.3, which effectively describes the weighted stiffness properties of the cortical and cancellous bone components. 12,16,[51][52][53] For simplification and to allow the rotation of the femur around the HJC, femur bone was modeled as a rigidbody structure. Cartilages of the human hip joint under physiological load conditions were characterized by previous studies as a nearly incompressible material.…”

Section: Subject-specific Fe Modelmentioning

confidence: 99%

A subject-specific integrative biomechanical framework of the pelvis for gait analysis

Ravera

Crespo

Formento

2018

Proc Inst Mech Eng H

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Analysis of the human locomotor system using rigid-body musculoskeletal models has increased in the biomechanical community with the objective of studying muscle activations of different movements. Simultaneously, the finite element method has emerged as a complementary approach for analyzing the mechanical behavior of tissues. This study presents an integrative biomechanical framework for gait analysis by linking a musculoskeletal model and a subject-specific finite element model of the pelvis. To investigate its performance, a convergence study was performed and its sensitivity to the use of non-subject-specific material properties was studied. The total hip joint force estimated by the rigid musculoskeletal model and by the finite element model showed good agreement, suggesting that the integrative approach estimates adequately (in shape and magnitude) the hip total contact force. Previous studies found movements of up to 1.4 mm in the anterior-posterior direction, for single leg stance. These results are comparable with the displacement values found in this study: 0-0.5 mm in the sagittal axis. Maximum von Mises stress values of approximately 17 MPa were found in the pelvic bone. Comparing this results with a previous study of our group, the new findings show that the introduction of muscular boundary conditions and the flexion-extension movement of the hip reduce the regions of high stress and distributes more uniformly the stress across the pelvic bone. Thus, it is thought that muscle force has a relevant impact in reducing stresses in pelvic bone during walking of the finite element model proposed in this study. Future work will focus on including other deformable structures, such as the femur and the tibia, and subject-specific material properties.

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“…Overloading on the joint can be caused by joint impairment and/or excessive external loading 4 . Regarding joint impairment, for the hip joint, muscle weakness (e.g., weakness of the hip abductors and external rotators) changes the contact pressure distribution and increases the contact pressure at the lateral edge of the contact area 5 . Moreover, reduced range of motion (ROM) of the hip (e.g., reduced hip abduction) increases the hip contact force during walking 6 .…”

Section: Introductionmentioning

confidence: 99%

Sagittal alignment and mobility of the thoracolumbar spine are associated with radiographic progression of secondary hip osteoarthritis

Tateuchi

Akiyama

Goto

et al. 2018

Osteoarthritis and Cartilage

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Effect of the lateral rotators on load transfer in the human hip joint revealed by mechanical analysis

Cited by 8 publications

References 30 publications

The effect of a reduced first step width on starting block and first stance power and impulses during an athletic sprint start

The effect of a reduced first step width on starting block and first stance power and impulses during an athletic sprint start

A subject-specific integrative biomechanical framework of the pelvis for gait analysis

Sagittal alignment and mobility of the thoracolumbar spine are associated with radiographic progression of secondary hip osteoarthritis

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