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Biomechanics

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Full-Text Articles in Rehabilitation and Therapy

Reliability And Construct Validity Of The Single-Leg Landing Error Scoring System (Sl-Less) In Physically Active Females, Jennifer E. Earl-Boehm, Madison Mach, Erin Lally, Maegan O'Connor, Hayley Ericksen Sep 2023

Reliability And Construct Validity Of The Single-Leg Landing Error Scoring System (Sl-Less) In Physically Active Females, Jennifer E. Earl-Boehm, Madison Mach, Erin Lally, Maegan O'Connor, Hayley Ericksen

Journal of Sports Medicine and Allied Health Sciences: Official Journal of the Ohio Athletic Trainers Association

PURPOSE Single-leg landings are common in sport and often result in injury, however a rubric to evaluate biomechanics during single-leg jump landing (SLL) does not exist. The Single-Leg Landing Error Scoring System (SL-LESS) is a rubric developed to evaluate movement during SLL. The purpose of this study was to 1) determine inter- and intra-rater reliability of the SL-LESS, 2) and determine the content and construct validity of the SL-LESS when evaluating SLL

METHOD 28 healthy females completed SLL on two days while 2D and 3D data were recorded. 3D angles were trunk flexion/lateral-flexion, pelvic tilt/contralateral drop, hip flexion/adduction, and knee …


The Effects Of A 6-Week Intrinsic Foot Morphology, Kinematics, And Kinetics In Individuals With Pes Planus, Rebecca Marszalek, Janet E. Simon, Robert Wayner May 2022

The Effects Of A 6-Week Intrinsic Foot Morphology, Kinematics, And Kinetics In Individuals With Pes Planus, Rebecca Marszalek, Janet E. Simon, Robert Wayner

Journal of Sports Medicine and Allied Health Sciences: Official Journal of the Ohio Athletic Trainers Association

CONTEXT
The intrinsic foot muscles are vital in supporting the medial longitudinal arch of the foot. Individuals with pes planus have poor foot morphology, strength, and biomechanics, warranting an intervention.

MAIN OUTCOME MEASURES
At pre-intervention, foot posture and arch height were assessed via the Foot Posture Index-6 and the Navicular Drop test, respectively. Cross-sectional area of the abductor hallucis was assessed using ultrasound as an indirect measure of strength. Biomechanical measures, including peak rearfoot eversion, peak tibial internal rotation, peak rearfoot eversion moment, and center of pressure excursion, were collected using 3D-motion capture and an instrumented treadmill. At post-intervention, these …


Occupation-Centered Anatomy And Applied Biomechanics Courses: Design And Outcomes, Rose Mcandrew, Vicki K. Kaskutas Jan 2022

Occupation-Centered Anatomy And Applied Biomechanics Courses: Design And Outcomes, Rose Mcandrew, Vicki K. Kaskutas

Journal of Occupational Therapy Education

Occupation-centered course design allows occupational therapy (OT) educators to differentiate ourselves from other professions while communicating the distinct value of occupation to our students. While there have been numerous calls to action for centering occupation in the OT classroom and proposed models to approach course design, there is limited literature on occupation-centered course design in specific courses, notably foundational science courses like anatomy and applied biomechanics. In this study, we outline our course design process in two courses taught concurrently, as well as our prospective study to determine if an occupation-centered course design allowed students to meet objectives and the …


Creating Reel Designs: Reflecting On Arthrogryposis Multiplex Congenita In The Community, Iris Layadi Oct 2021

Creating Reel Designs: Reflecting On Arthrogryposis Multiplex Congenita In The Community, Iris Layadi

Purdue Journal of Service-Learning and International Engagement

Because of its extreme rarity, the genetic disease arthrogryposis multiplex congenita (AMC) and the needs of individuals with the diagnosis are often overlooked. AMC refers to the development of nonprogressive contractures in disparate areas of the body and is characterized by decreased flexibility in joints, muscle atrophy, and developmental delays. Colton Darst, a seven-year-old boy from Indianapolis, Indiana, was born with the disorder, and since then, he has undergone numerous surgical interventions and continues to receive orthopedic therapy to reduce his physical limitations. His parents, Michael and Amber Darst, have hopes for him to regain his limbic motion and are …


Kinematic Analysis Of A Series Of Jumps In First Position In Professional Ballet Dancers, Jessica Smith, Kevin Robinson, Pat Sells Oct 2021

Kinematic Analysis Of A Series Of Jumps In First Position In Professional Ballet Dancers, Jessica Smith, Kevin Robinson, Pat Sells

Internet Journal of Allied Health Sciences and Practice

Purpose: Few ballet-specific studies in the literature examine kinematics during dance activities. Sports studies have identified injury risk in athletes by observing kinematics during specific activity, but this has not yet been explored for ballet. Evaluating kinematics in dancers has the potential to identify injury risk and influence treatment for prevention and rehabilitation. Therefore, the purpose of this study was to examine the landing kinematics of professional ballet dancers during a series of 16 ballet-specific jumps. Methods: This study was a multi-factor repeated measures design. Participants (3 males, 16 females aged 19-33 years; first or second company members) performed 16 …


An Analysis Of A New Shoe Technology In The Gait Patterns Of A Child With A Neurological Disability, Emma Madonna, Jeff Bauer Sep 2020

An Analysis Of A New Shoe Technology In The Gait Patterns Of A Child With A Neurological Disability, Emma Madonna, Jeff Bauer

The SUNY Journal of the Scholarship of Engagement: JoSE

This study focused on the application of a unique technology originally designed to supply biofeedback to dancers, but in this case was used to assist a child learning to walk while battling the effects of Cerebral Palsy. The musical shoes, called ElectroskipTM, utilize a biofeedback system that generates variable sounds/beats/songs when an individual is walking and placing pressure on their heel or toe. The study lasted six weeks with two sessions per week. Each session started with shoes fitted with ElectroskipTM technology placed on the child’s feet. When instructed by the researcher the child would proceed to …


Can The Forward-Step-Down Test Be Used Reliably In The Clinical Setting To Assess Movement Changes Resulting From Maximal Exertion? A Pilot Study, Erin Mccallister, Daniel W. Flowers Jan 2020

Can The Forward-Step-Down Test Be Used Reliably In The Clinical Setting To Assess Movement Changes Resulting From Maximal Exertion? A Pilot Study, Erin Mccallister, Daniel W. Flowers

Internet Journal of Allied Health Sciences and Practice

Introduction: Visual assessment of lower extremity mechanics is used frequently in clinical practice, and objective scoring of the visual assessment is beneficial to improve objectivity of patient evaluation. In addition, lower extremity mechanics change with fatigue and these changes may increase the risk of lower extremity injury. The Forward-Step-Down Test (FSDT) is one such objective tool, but its ability to detect changes in movement quality in response to exertion are not known. Methods: This study utilized a repeated-measures design, where the participants were scored on the FSDT before performing the Bruce protocol for an exertion stimulus. The participants were re-scored …


Lower Extremity Prostheses Related Biomechanics, Valeria Chiu, Ming-Chuan Lin Dec 2013

Lower Extremity Prostheses Related Biomechanics, Valeria Chiu, Ming-Chuan Lin

Rehabilitation Practice and Science

During heel strike, a prosthetic foot must perform ground-reaction force shock absorption, and thereafter, must provide control of the smooth-rhythm plantar flexion movement. During the midstance phase, the foot must provide the controlled advancement of the tibia. During the terminal stance, the anterior part of the foot must act as a hard rocker to provide progression and roll over the toe and to allow center of gravity switching to the opposite site as the tibia advances. The biomechanics of the four-bar linkage knee simulates the motion of the actual human knee joint. It can be discussed by analyzed by five …