journal
https://read.qxmd.com/read/38295572/effects-of-surface-profile-on-porcine-dural-mechanical-properties
#21
JOURNAL ARTICLE
Atsutaka Tamura, Chikano Sakaue
BACKGROUND: Cerebrospinal fluid leakage through the spinal meninges is difficult to diagnose and treat. Moreover, its underlying mechanism remains unknown. Considering that the dura mater is structurally the strongest and outermost membrane among the three-layered meninges, we hypothesized that a dural mechanical tear would trigger spontaneous cerebrospinal fluid leakage, especially when a traumatic loading event is involved. Thus, accurate biomechanical properties of the dura mater are indispensable for improving computational models, which aid in predicting blunt impact injuries and creating artificial substitutes for transplantation and surgical training...
January 28, 2024: Clinical Biomechanics
https://read.qxmd.com/read/38350282/a-scoping-review-of-applications-of-artificial-intelligence-in-kinematics-and-kinetics-of-ankle-sprains-current-state-of-the-art-and-future-prospects
#22
REVIEW
Yun Xin Teoh, Jwan K Alwan, Darshan S Shah, Ying Wah Teh, Siew Li Goh
BACKGROUND: Despite the existence of evidence-based rehabilitation strategies that address biomechanical deficits, the persistence of recurrent ankle problems in 70% of patients with acute ankle sprains highlights the unresolved nature of this issue. Artificial intelligence (AI) emerges as a promising tool to identify definitive predictors for ankle sprains. This paper aims to summarize the use of AI in investigating the ankle biomechanics of healthy and subjects with ankle sprains. METHODS: Articles published between 2010 and 2023 were searched from five electronic databases...
January 24, 2024: Clinical Biomechanics
https://read.qxmd.com/read/38280259/dynamic-joint-stiffness-in-individuals-with-femoroacetabular-impingement-syndrome-pre-and-post-hip-arthroscopy
#23
JOURNAL ARTICLE
Madeline Grosklos, Jennifer Perry, Megan Elwood, Kate Jochimsen, Stephanie Di Stasi
BACKGROUND: Patients with hip-related pain often fail to return to their desired level of activity following hip arthroscopy. Lasting biomechanics alterations may be one potential explanation. Dynamic joint stiffness assesses the mechanistic controls of the lower limb during high impact movements, and thus, may provide valuable clinical targets to improving movement and optimizing return to activity after surgery. METHODS: Twenty-five participants (13 females) with hip-related pain underwent 3D motion capture during a drop jump task before surgery and six months post-operatively...
January 24, 2024: Clinical Biomechanics
https://read.qxmd.com/read/38301536/the-contribution-of-the-ligamentum-teres-to-the-hip-fluid-seal-a-biomechanics-study
#24
JOURNAL ARTICLE
Ian Al'Khafaji, Yvonne Olszewski, Georgina Clarnette, Edward Settle, Lukas Ernstbrunner, John O'Donnell, David Ackland
BACKGROUND: The suction seal of the hip plays an important role in maintaining hip stability; however, the function of the ligamentum teres in maintaining this seal remains poorly understood. This study aimed to evaluate the effectiveness of the hip suction seal in ligamentum teres deficient hips for joint positions occurring during gait. METHODS: Six fresh-frozen human cadaveric hips were dissected and mounted to an Instron materials test system. Each specimen was analyzed for average peak distraction force, stiffness, and total energy during hip displacement...
January 23, 2024: Clinical Biomechanics
https://read.qxmd.com/read/38262121/cadaveric-biomechanical-studies-of-addisc-total-lumbar-disc-prosthesis
#25
JOURNAL ARTICLE
Pablo Jorda-Gomez, Vicente Vanaclocha, Amparo Vanaclocha, Carlos M Atienza, Vicente Belloch, Juan-Manuel Santabarbara, Carlos Barrios, Nieves Saiz-Sapena, Enrique Medina-Ripoll, Leyre Vanaclocha
BACKGROUND: Most total disc replacements provide excessive mobility and not reproduce spinal kinematics, inducing zygapophyseal joint arthritic changes and chronic back pain. In cadaveric lumbosacral spines, we studied if a new lumbar disc prosthesis kinematics mimics the intact intervertebral disc. METHODS: In eight cold preserved cadaveric lumbosacral spines, we registered the movement ranges in flexion, extension, right and left lateral bending, and rotation in the intact status, post-discectomy, and after our prosthesis implantation, comparing them for each specimen...
January 17, 2024: Clinical Biomechanics
https://read.qxmd.com/read/38244237/improved-joint-function-when-reaching-behind-the-back-is-associated-with-patient-reported-outcomes-in-individuals-with-rotator-cuff-tears-following-exercise-therapy
#26
JOURNAL ARTICLE
Luke T Mattar, Camille C Johnson, Tom H Gale, Adam J Popchak, William J Anderst, Volker Musahl, James J Irrgang, Richard E Debski
BACKGROUND: Reaching behind the back is painful for individuals with rotator cuff tears. The objectives of the study were to determine changes in glenohumeral kinematics when reaching behind the back, passive range of motion (RoM), patient reported outcomes and the relationships between kinematics and patient reported outcomes following exercise therapy. METHODS: Eighty-four individuals with symptomatic isolated supraspinatus tears were recruited for this prospective observational study...
January 12, 2024: Clinical Biomechanics
https://read.qxmd.com/read/38237217/relationship-between-coordination-variability-and-osgood-schlatter-disease-in-male-junior-youth-soccer-players-cross-sectional-study-using-an-inertial-measurement-unit
#27
JOURNAL ARTICLE
Naoya Wada, Yota Abe, Rie Nakazawa, Masaaki Sakamoto, Tsuyoshi Tajika
BACKGROUND: Osgood-Schlatter disease is a common overuse injury, and motor coordination is discussed as a risk factor; however, no reports have examined motor coordination in young soccer players with Osgood-Schlatter disease. This study aimed to investigate the difference in motor coordination between Osgood-Schlatter disease-affected and non-affected soccer players on a junior youth soccer team. METHODS: This cross-sectional study investigated 35 young soccer players of 12-15 years of age, who completed a self-administered questionnaire covering general information, injury history, and athletic experience...
January 12, 2024: Clinical Biomechanics
https://read.qxmd.com/read/38232470/can-external-work-during-walking-in-scoliosis-patients-be-estimated-from-spatiotemporal-parameters
#28
JOURNAL ARTICLE
Y Delpierre, S Armand
BACKGROUND: Patients with scoliosis present gait impairments compared to healthy subjects. Clinically, spine deformity is evaluated with Cobb angle, a standard measurement to determine and track the progression of scoliosis. Scoliosis is a biomechanical trouble, dependant of external forces and muscular activity. External work is currently analyzed in patients with scoliosis because this work sums up consequences and evolutions of spine deformity. Habitually, biomechanics approach is used to compute this work...
January 12, 2024: Clinical Biomechanics
https://read.qxmd.com/read/38278084/a-functional-brace-for-treating-colles-fractures-volunteer-trial-of-a-new-design
#29
JOURNAL ARTICLE
Douglas Wardlaw, Ann H Murdoch
BACKGROUND: Presently used Colles' fracture treatments have similar outcomes with significant complications. Previous studies of a dynamic functional fracture brace, achieving similar or better results had no significant complications. A novel brace design is described to achieve optimal patient outcomes. METHODS: Patient forearm measurements combined with data from a previously tested brace provided parameters for a brace formed using computer assisted design. Fracture swelling was simulated using a 40 ml (ml) plastic water filled bag placed over the dorsum of the lower radius...
January 11, 2024: Clinical Biomechanics
https://read.qxmd.com/read/38219456/the-relationship-between-knee-flexion-excursion-and-mechanical-stress-during-gait-in-medial-knee-osteoarthritis
#30
JOURNAL ARTICLE
Masaya Anan, Kazuki Tokuda, Kenji Tanimoto, Tomonori Sawada
BACKGROUND: A decrease in knee flexion excursion during the loading response may affect not only quadriceps muscle weakness, pain, and inflammatory symptoms, but also lead to physical function decline and activity limitation. The aim of this investigation was to clarify the relationship between knee flexion excursion during the loading response and mechanical stress on the knee joint, muscle strength, pain, and physical function in patients with knee osteoarthritis. METHODS: Twenty patients diagnosed with medial knee osteoarthritis...
January 10, 2024: Clinical Biomechanics
https://read.qxmd.com/read/38232471/a-bioengineering-investigation-of-cervical-collar-design-and-fit-implications-on-skin-health
#31
JOURNAL ARTICLE
Laurence J Russell, Tamara Dodd, Daniel Kendall, Amber Lazenbury, Abigail Leggett, Sophie Payton-Haines, Liudi Jiang, Davide Filingeri, Peter R Worsley
BACKGROUND: Cervical collars restrict cervical spine movement to minimise the risk of spinal cord injury. Collars apply mechanical loading to the skin putting it at risk of skin damage. Indeed, cervical collar-related pressure ulcers are unacceptably prevalent, especially at the occiput, mandibles, and chin. Collar design and fit are often key considerations for prevention. METHODS: This comprehensive study evaluated four commercial prehospital and acute care cervical collars...
January 9, 2024: Clinical Biomechanics
https://read.qxmd.com/read/38211422/leading-limb-biomechanical-response-following-compelled-forward-and-descending-body-shift-in-old-versus-young-adults
#32
JOURNAL ARTICLE
Soroosh Sadeh, Keng-Hung Shen, Forouzan Foroughi, Hao-Yuan Hsiao
BACKGROUND: Falls pose a significant health risk in older adults, with stair descent falls carrying particularly severe consequences. Reduced balance control and limb support due to aging-related physiological and neuromuscular decline are critical components in increased falling risk in older adults. Understanding the age-associated abnormalities in balance control and limb support strategies during sudden forward and downward body shift could reveal potential biomechanical deficits responsible for increased falling risks in older adults...
January 6, 2024: Clinical Biomechanics
https://read.qxmd.com/read/38198907/two-to-three-times-increase-in-natural-hip-and-lumbar-non-sagittal-plane-kinematics-can-lead-to-anterior-cruciate-ligament-injury-and-cartilage-failure-scenarios-during-single-leg-landings
#33
JOURNAL ARTICLE
Sara Sadeqi, Grant E Norte, Amanda Murray, Deniz U Erbulut, Vijay K Goel
BACKGROUND: Analyzing sports injuries is essential to mitigate risk for injury, but inherently challenging using in vivo approaches. Computational modeling is a powerful engineering tool used to access biomechanical information on tissue failure that cannot be obtained otherwise using traditional motion capture techniques. METHODS: We extrapolated high-risk kinematics associated with ACL strain and cartilage load and stress from a previous motion analysis of 14 uninjured participants...
January 6, 2024: Clinical Biomechanics
https://read.qxmd.com/read/38198906/a-biomechanical-analysis-of-turning-during-gait-in-individuals-with-different-subtypes-of-parkinson-s-disease
#34
JOURNAL ARTICLE
Andressa Leticia Miri, Larissa Laskovski, Maria Eduarda Brandão Bueno, Dionatan Costa Rodrigues, Felipe Arruda Moura, Suhaila Mahmoud Smaili
BACKGROUND: Turning while walking is a complex component of locomotor capacity, which can be challenging in the daily lives of people with Parkinson's disease. The aim of the study was to compare biomechanical strategies during turning of gait in individuals with Parkinson's disease and its different clinical subtypes. METHODS: A cross-sectional study, comprising of 43 individuals with idiopathic Parkinson's disease, divided in subgroups: akineto-rigid, dominant tremor and mixed...
January 3, 2024: Clinical Biomechanics
https://read.qxmd.com/read/38219455/changes-in-passive-hamstring-stiffness-after-primary-anterior-cruciate-ligament-reconstruction-a-prospective-study-with-comparison-of-healthy-controls
#35
JOURNAL ARTICLE
Joffrey Drigny, Emmanuel Reboursière, Cesar Praz, Henri Guermont, Christophe Hulet, Antoine Gauthier
BACKGROUND: The mechanical properties of knee flexors muscles contribute to reducing anterior cruciate ligament loading. This case-control study evaluated the passive knee flexors stiffness after primary anterior cruciate ligament reconstruction with comparison of healthy controls. METHODS: After anterior cruciate ligament reconstruction, 88 participants (24.5 [8.6] years, 56,8% males) had two isokinetic tests at 4 and 8 postoperative months with measurement of the passive resistive torque of knee flexors and extensors/flexors strength...
January 1, 2024: Clinical Biomechanics
https://read.qxmd.com/read/38184895/trunk-and-glenohumeral-joint-adaptations-to-manual-wheelchair-propulsion-over-a-cross-slope-an-exploratory-study
#36
JOURNAL ARTICLE
Najoua Assila, Paula W Rushton, Sonia Duprey, Mickaël Begon
BACKGROUND: Cross-slopes are often encountered by manual wheelchair users propelling within an urban setting. While propulsion over cross-slopes is more difficult than on level surfaces, little is known about how the users counter the downhill turning tendency of the wheelchair over cross-slopes. This study aimed to identify the adaptations of the manual wheelchair users to the presence of cross-slopes and examine how these might impact shoulder injury. METHODS: Nine manual wheelchair users propelled themselves across a cross-slope and over a level surface...
December 31, 2023: Clinical Biomechanics
https://read.qxmd.com/read/38211421/gait-pattern-analysis-before-and-after-periacetabular-osteotomy-in-unilaterally-affected-dysplastic-patients
#37
JOURNAL ARTICLE
Ariane Lavoie-Hudon, Philippe Corbeil, Victor Grenier, Raphaël Poulin, Sylvie Turmel, Julien Dartus, Stéphane Pelet, Etienne L Belzile
BACKGROUND: Patients with acetabular dysplasia have an abnormal acetabular geometry which results in insufficient coverage of the femoral head. This coverage deficiency reduces contact surfaces within the joint, accelerating the wear of the articular cartilage and predisposing patients to early osteoarthritis. Periacetabular osteotomy is a surgical treatment of acetabular dysplasia that aims to reorient the acetabulum relative to the femoral head, increasing coverage. METHODS: Pelvic kinematics and lower limbs joint kinematics and kinetics during the stance phase of gait were recorded using a 3D motion capture system and force plates, then compared pre- to post- and between limbs with a repeated measures 2-way ANOVA...
December 27, 2023: Clinical Biomechanics
https://read.qxmd.com/read/38159327/biomechanical-comparison-of-two-different-compression-screws-for-the-treatment-of-odontoid-fractures-in-human-dens-axis-specimen
#38
JOURNAL ARTICLE
Jan-Uwe Müller, Stephan Nowak, Marc Matthes, Dirk Thomas Pillich, Henry Werner Siegfried Schroeder, Jonas Müller
BACKGROUND: Lag screw osteosynthesis for odontoid fractures has a high rate of pseudoarthrosis, especially in elderly patients. Besides biomechanical properties of the different screw types, insufficient fragment compression or unnoticed screw stripping may be the main causing factors for this adverse event. The aim of the study was to compare two screws in clinical use with different design principles in terms of compression force and stability against screw stripping. METHODS: Twelve human cadaveric C2 vertebral bodies were considered...
December 26, 2023: Clinical Biomechanics
https://read.qxmd.com/read/38159326/a-finite-element-method-study-of-the-effect-of-vibration-on-the-dynamic-biomechanical-response-of-the-lumbar-spine
#39
JOURNAL ARTICLE
Shuai Zhu, RuiChun Dong, Zhong Liu, Hong Liu, ZhuangQi Lu, YunQiang Guo
BACKGROUND: Studies focusing on lumbar spine biomechanics are very limited, and the mechanism of the effect of vibration on lumbar spine biodynamics is unclear. To provide guidance and reference for lumbar spine biodynamics research and vibration safety assessment, this study aims to investigate the effects of different vibrations on lumbar spine biodynamics. METHODS: A validated finite element model of the lumbosacral spine was utilized. The model incorporated a 40 kg mass on the upper side and a 400 N follower preload...
December 26, 2023: Clinical Biomechanics
https://read.qxmd.com/read/38335837/epimuscular-myofascial-force-transmission-between-the-levator-scapulae-muscle-and-the-upper-fiber-of-the-serratus-anterior-or-rhomboid-minor-muscles
#40
JOURNAL ARTICLE
Keita Kawabuchi, Kenta Yamane, Shota Maniwa, Kyohei Inoue, Masatoshi Nakamura
BACKGROUND: This study investigated the epimuscular myofascial force transmission between the levator scapulae, serratus anterior, and rhomboid minor muscles. METHODS: The participants included 10 healthy males (a total of 20 shoulders). Differences in the shear moduli of the levator scapulae, serratus anterior, and rhomboid minor muscles were measured in the resting and levator scapulae stretching positions using shear wave elastography. The correlation between the rates of change for each muscle was also verified...
February 2024: Clinical Biomechanics
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