The Effect of Age and Seat Height on Sit-to-Stand Transfer Biomechanics and Muscle Activation.
Objective: To determine the effects of age and seat height on lower limb biomechanics and electromyography (EMG) during a sit-to-stand (STS). Methods: 10 older and 10 younger adults performed five STS trials from normal knee height and raised height. Bilateral lower limb and trunk motion, ground rea...
| Publicado en: | Physical & Occupational Therapy in Geriatrics Vol. 34; no. 4; pp. 169 - 186 |
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| Autores principales: | , , |
| Formato: | pictorial research tables/charts Journal Article |
| Publicado: |
Taylor & Francis Ltd
Dec2016
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| Acceso en línea: | Ver este registro en EBSCOhost |
| fields | @attributes: recordID: 1 pdfLink: plink: https://search.ebscohost.com/login.aspx?direct=true&db=ccm&AN=121270021&site=ehost-live header: @attributes: shortDbName: ccm uiTerm: 121270021 longDbName: CINAHL Complete uiTag: AN controlInfo: bkinfo: dissinfo: jinfo: jid: 02703181 PTG jtl: Physical & Occupational Therapy in Geriatrics issn: 02703181 maglogo: N pubinfo: dt: Dec2016 vid: 34 iid: 4 pid: 377 pub: Taylor & Francis Ltd place: Philadelphia, Pennsylvania artinfo: ui: 121270021 121270021 121270021 10.1080/02703181.2016.1267293 121270021 ppf: 169 ppct: 17 formats: fmt: – @attributes: type: T – @attributes: type: P tig: atl: The Effect of Age and Seat Height on Sit-to-Stand Transfer Biomechanics and Muscle Activation. aug: au: Hurley, Sean Thomas Rutherford, Derek James Hubley-Kozey, Cheryl affil: School of Biomedical Engineering, Dentistry Building, Dalhousie University, Halifax, Nova Scotia, Canada sug: subj: Standing Kinematics Kinetics Aging Interior Design and Furnishings Weights and Measures Ground Reaction Force Electromyography Hip Knee Lower Extremity Muscle, Skeletal Physiology Weight-Bearing Torso Body Weights and Measures Isometric Contraction Dynamometry Muscle Strength Evaluation Waist-Hip Ratio Body Mass Index Clinical Assessment Tools Scales Comparative Studies P-Value Two-Way Analysis of Variance T-Tests Descriptive Statistics Post Hoc Analysis Data Analysis Software Adult Aged Female Male Human Adult: 19-44 years Aged: 65+ years Female Male ab: Objective: To determine the effects of age and seat height on lower limb biomechanics and electromyography (EMG) during a sit-to-stand (STS). Methods: 10 older and 10 younger adults performed five STS trials from normal knee height and raised height. Bilateral lower limb and trunk motion, ground reaction forces and EMG were measured. Two-way analysis of variance tested for main effects (group, height) and interactions (alpha = 0.05). Results: Older adults had significantly greater peak and integrated EMG of most muscles (27–125%). Normal seat height had significantly greater peak angles, hip and knee flexion moments, and peak and integrated EMG of most muscles. Conclusion: Despite similar biomechanics, older adults had greater EMG activity, supporting greater relative muscular demands during STS. The raised seat height reduced hip and knee biomechanical demands and muscle activity. This study is the first to provide evidence of age-related changes in muscle activation during a STS from different seat heights. pubtype: Academic Journal doctype: pictorial research tables/charts Journal Article ougenre: Article language: English refInfo: holdings: @attributes: islocal: N |
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