Isokinetic ankle plantarflexion and dorsiflexion strength in patients with rheumatoid arthritis

The present work proposes a new sensing methodology, which uses Fiber Bragg Gratings (FBGs) to measure in vivo the surface strain and strain rate on calf muscles while performing certain exercises. Two simple exercises, namely ankle dorsi-flexion and ankle plantar-flexion, have been considered and the strain induced on the medial head of the gastrocnemius muscle while performing these exercises has been monitored. The real time strain generated has been recorded and the results are compared with those obtained using a commercial Color Doppler Ultrasound (CDU) system. It is found that the proposed sensing methodology is promising for surface strain measurements in biomechanical applications.

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A Novel Fiber Bragg Grating Based Sensing Methodology for Direct Measurement of Surface Strain on Body Muscles during Physical Exercises

Subbarao

Narasipur

Krishnan

et al. 2012

International Journal of Optomechatronics

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Systematic review of timed stair tests

Nightingale

Pourkazemi²,

Hiller³

2014

J Rehabil Res Dev

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Abstract-Functional testing is particularly useful in the clinic and for making research translatable; however, finding measures relevant across ages and different conditions can be difficult. A systematic review was conducted to investigate timed stair tests as an objective measure of functional abilities and musculoskeletal integrity. Data were analyzed for their ability to differentiate between controls and patient groups and between different patient groups. Literature was reviewed using the Medline, CINAHL, and PubMed databases until February 2012. Data were grouped according to methodology, ages, and medical conditions. Time per step was calculated to allow comparison between studies. Eighty-eight studies were included in this review. Methodologies varied considerably with stair ascent, stair descent, or a combination of the two being used across a wide range of ages and medical conditions. Times increased with age for ascent, descent, and combined and for a variety of medical problems. Timed stair tests appear to be sensitive to medical conditions but further data are required to obtain normative values for this test. We suggest that timed stair tests should follow a more standardized methodology using a combination of ascent and descent and asking participants to complete the stairs as quickly and safely as possible.

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Is it possible to establish reference values for ankle muscle isokinetic strength? A meta-analytical study

Fish

Milligan

Killey

2014

IES

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BACKGROUND: The importance of measuring ankle muscle strength (AMS) has been demonstrated in a variety of clinical areas. Much data has been accumulated using the Cybex Norm isokinetic dynamometer but a uniform framework does not exist. OBJECTIVE: To identify pertinent studies which have used the Cybex Norm to measure AMS in order to establish reference values. METHODS: A narrative review of the literature was used to identify papers that have used the Cybex Norm to measure isokinetic concentric and eccentric AMS. RESULTS: Fifty five research papers were identified but each study used a different isokinetic protocol. CONCLUSIONS: It is not possible to produce AMS reference values due to the wide variation in data collection methods. This is therefore an area of research that needs further exploration.

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Isokinetic ankle plantarflexion and dorsiflexion strength in patients with rheumatoid arthritis

Cited by 3 publications

References 26 publications

A Novel Fiber Bragg Grating Based Sensing Methodology for Direct Measurement of Surface Strain on Body Muscles during Physical Exercises

A Novel Fiber Bragg Grating Based Sensing Methodology for Direct Measurement of Surface Strain on Body Muscles during Physical Exercises

Systematic review of timed stair tests

Is it possible to establish reference values for ankle muscle isokinetic strength? A meta-analytical study

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