Evaluation of range of motion restriction within the hip joint

Turley, Glen A.; Williams, Mark A.; Wellings, Richard; Griffin, Damian R.

doi:10.1007/s11517-012-1016-3

Cited by 27 publications

(28 citation statements)

References 52 publications

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“…Range 120°30°45°45°45°35°Turley et al [4] 113°28°45°45°48°31°Boone et al [6] 120°9.5°32°33°39°30°Roaas et al [7] In 90' flex 38°40°Kouyoumdjian et al [5] Figure 5a …”

Section: Movement Flex Ext Ir Er Abd Add Papermentioning

confidence: 99%

“…According to the Australian Orthopaedic Association's National Joint Replacement Registry (AOA NJRR), the 14 year cumulative percent revision for primary THA is 9.5% of which 24.2% is due to dislocation [2]. Thus, new implant designs, bearing surfaces and the use of muscle sparing surgical approaches claiming increased stability without standard hip precautions are being utilised [3,4].…”

Section: Introductionmentioning

confidence: 99%

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Elevated Lip Liner Positions Improving Stability in Total Hip Arthroplasty – An Experimental Study

et al. 2018

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Background: The use of elevated lip polyethylene liners with the acetabular component is relatively common in Total Hip Arthroplasty (THA). Elevated lip liners increase stability of the THA by increasing the jump distance in one direction. However, the elevated lip, conversely, also reduces the primary arc in the opposite direction and leads to early impingement of the neck on the elevated lip, potentially causing instability.The aim of the present study is to determine the total range of motion of the femoral head component within the acetabular component with the elevated lip liner in different orientations within the acetabular cup.Methods: We introduce a novel experimental (ex-vivo) framework for studying the effects lip liner orientation on the range of motion of the femoral component. For constant acetabular cup orientation, the elevated lip liner was positioned superiorly and inferiorly. The femoral component range of motion in the coronal, sagittal and axial plane was measured. To avoid any confounding influences of out of plane motion, the femoral component was constrained to move in the tested plane.Results: This experimental set up introduces a rigorous framework in which to test the effects of elevated lip liner orientations on the range of motion of the femoral head component in abduction, adduction, flexion, extension and rotation. The movements of this experimental set-up are directly informative of patient's maximum potential postoperative range of motion. Initial results show that an in-

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“…Range 120°30°45°45°45°35°Turley et al [4] 113°28°45°45°48°31°Boone et al [6] 120°9.5°32°33°39°30°Roaas et al [7] In 90' flex 38°40°Kouyoumdjian et al [5] Figure 5a …”

Section: Movement Flex Ext Ir Er Abd Add Papermentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Elevated Lip Liner Positions Improving Stability in Total Hip Arthroplasty – An Experimental Study

et al. 2018

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“…10. The DC motor controlled the ball screw to move the slide table Y attached the femoral shaft in -Y-axis as flexion with 20 degrees from neutral alignment and +Y-axis as extension with 20 degrees from neutral alignment as human activities [20]. The degrees of flexion and extension were converted to displacement of Y position and were counted the ball screw rotating by encoder The internal rotation and external rotation were controlled by stepping motor around Z-axis as shown in Fig.…”

Section: Hip Simulation Machinementioning

confidence: 99%

“…11. The stepping motor controlled a thrust ball bearing to rotate the rotate table Z attached the femoral shaft around +Z-axis as internal rotation with 20 degrees from neutral alignment and -Z-axis as external rotation with 20 degrees from neutral alignment as human activities [20]. The degrees of internal rotation and external rotation were counted by step motor rotating.…”

Section: Hip Simulation Machinementioning

confidence: 99%

Design of Hip Simulation Machine for Hip Labrum Testing

Angsutanasombat¹,

Aroonjarattham²,

Saengpetch³

et al. 2018

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The acetabular labrum is the connective tissue between femoral head and hip joint that acts like a shock absorber. Labral injury could happen after hip dislocation or internal derangement such as femeroacetabular impingement (FAI) syndrome. The surgeon usually attempts to repair or reconstruct the torn labrum to obtain the native hip biomechanical loading. There has been no scientific evidence study for the different surgical techniques. Hip simulation machine was made to let a femur move in six conditions including flexion, extension, abduction, adduction, internal rotation and external rotation. The hip was compressed with a force of half of the body weight (350 N). The purpose of this study was to study pressurization in three labral conditions including intact labrum, labral repair and labral reconstruction. The machine was designed and simulated by SolidWorks software. A device's controller had two mode including a manual mode to set zero before an operation and automation mode to move in six conditions and compressed with a force of body weight. After the construction, the machine was tasted by using counterfeit pelvis and femur. The device was reformed before a real taste. Dissected cadaveric pelvises were used and measured pressure through the film piezoresistive load sensors. The testing result was helped the surgeon to make a decision in surgery process.

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“…Due to the known technical limitations of these techniques, the ROM at the replaced hip joint is an approximated estimation and the exact cup-to-neck interaction cannot be determined with these instruments. In vitro [24,25] and in silico [26][27][28][29] evaluations have thus been performed as well, but these suffer from unrealistic soft tissue arrangements and overall motion and loading conditions. Today, very little is known about the ROM at the replaced hip in large and extreme joint movements.…”

Section: Introductionmentioning

confidence: 99%

Cup-To-Neck Contact and Range of Motion after Total Hip Arthroplasty with Large Head Diameters: An Original Three-Dimensional Combined Gait and Videofluoroscopy Analysis

et al. 2020

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After a total hip arthroplasty, a limited range of motion and lower-limb disability continue to be observed, with these being mainly associated with the implant design and the head-to-neck ratio. Larger diameters of the head bearings were assumed to provide better stability, a larger range of motion, and smaller risks of dislocation and stem-to-liner impingement. However, these claims have never been demonstrated in real patients. The specific aim of this study was to assess, via multi-instrumental analysis, whether the range of motion of a replaced hip is limited by the stem-to-liner contact in patients with large femoral head diameters. Twenty-three patients with a total hip arthroplasty were evaluated at their one-year follow-ups using clinical and instrumental examinations. A combined three-dimensional gait analysis of the full body and videofluoroscopy analysis of the replaced hip were performed during the execution of standard, i.e., daily living, and more demanding motor tasks. The latter were meant to reach the extreme range of motion at the replaced hip site, thus revealing possible stem-to-liner contact. An original technique based on imaging and computer-aided design (CAD) models of the prosthesis components was developed to calculate the stem-to-liner distance. Excellent clinical scores were observed in the study. The gait analysis showed that the range of motion of the replaced hip in the sagittal plane, averaged over all patients, ranged from 28° to 78° in standard activities. In more demanding tasks, single peaks were as high as 110°, 39°, and 60° in the sagittal, frontal, and transverse anatomical planes, respectively. In all motor tasks, the stem-to-liner distances ranged from 8.7 to 13.0 mm on average, with one outlier minimum distance being 2.2 mm. This study shows that, even in demanding motor tasks and with an extreme range of motion, the hip joint replaced with large femoral head diameters did not experience impingement between the prosthesis components.

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Evaluation of range of motion restriction within the hip joint

Cited by 27 publications

References 52 publications

Elevated Lip Liner Positions Improving Stability in Total Hip Arthroplasty – An Experimental Study

Elevated Lip Liner Positions Improving Stability in Total Hip Arthroplasty – An Experimental Study

Design of Hip Simulation Machine for Hip Labrum Testing

Cup-To-Neck Contact and Range of Motion after Total Hip Arthroplasty with Large Head Diameters: An Original Three-Dimensional Combined Gait and Videofluoroscopy Analysis

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