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dc.contributor.authorEricson Morgan, G.
dc.contributor.authorMartin, R.
dc.contributor.authorWelch, H.
dc.contributor.authorMorris, Keith
dc.identifier.citationMorgan, G.E., Martin, R., Welch, H. and Morris, K. (2020) 'Quantitative Weight Bearing and non-weight Bearing Measures of Stiffness in the Achilles Tendon and Gastrocnemius Muscle', Muscles, Ligaments & Tendons Journal, 10(1).en_US
dc.descriptionArticle published in Muscles, Ligaments and Tendons Journal on 01 March 2020, available open access at:
dc.description.abstractObjectives. To establish quantitative values of stiffness for the Achilles tendon (AT) and Gastrocnemius muscle (GM) in participants weight bearing and non-weight bearing. Methods. Measurements of 25 participants taken bilaterally at 8 points along the AT, and 2 points at the GM included: Natural Oscillation frequency (F), dynamic stiffness (S), mechanical stress relaxation time (R), logarithmic decrement (D) and creep (C) were taken non-weight bearing (NWB) and weight bearing (WB) using the MyotonPRO. Results. Median WB F scores were significantly higher than NWB F scores. D was significantly (P<0.005) higher NWB than WB for both AT and GM. S decreased from point 1 to point 8. GM S measurements were significantly (P<0.005) higher WB to NWB. C increased along course of tendon in the NWB condition and was significantly (P<0.005) higher at the GM. R was significantly (P<0.005) higher in the NWB condition for the AT and GM. R incrementally increased along the course of the AT in both NWB and WB conditions. Conclusions. There was an overall increased stiffness of the AT and GM during the weight bearing condition compared to the non-weightbearing condition. Further studies are required to develop a robust clinical application of this technology.en_US
dc.description.sponsorshipThis project was supported by Research & Development at Cwm Taf University Health Board.en_US
dc.relation.ispartofseriesMuscles, Ligaments and Tendons Journal;
dc.titleQuantitative Weight Bearing and non-weight Bearing Measures of Stiffness in the Achilles Tendon and Gastrocnemius Muscleen_US
rioxxterms.funderCardiff Metropolitan Universityen_US
rioxxterms.identifier.projectCardiff Metropolian (Internal)en_US

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