Effect of microtitanium impregnated tape on the recovery of triceps surae musculotendinous function following strenuous running

Hughes, Jonathan and Fink, Philip W and Graham, David F and Rowlands, David S (2013) Effect of microtitanium impregnated tape on the recovery of triceps surae musculotendinous function following strenuous running. SpringerPlus, 2 (1). pp. 653-662. ISSN 2193-1801

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Abstract

We previously reported increased running economy and joint range of motion (ROM) during subsequent exercise performed 48-h following strenuous exercise while wearing garments containing micro-titanium particles generated from high-pressure aqueous processing of titanium (AQUA TITANTM). Here we utilised an isolated plantarflexion triceps surae model and AQUA TITAN-treated flexible tape to determine if dermal application of the micro-titanium could account for meaningful changes in functional properties of the musculotendinous unit. In a randomised double-blind crossover, 20 trained men day 1, baseline measures, AQUA TITAN or placebo tape covering the triceps surae, intermittent high-intensity treadmill running; day 2, rest; day 3, post-stress post-treatment outcome measures. Outcomes comprised: plantarflexion ROM via isokinetic dynamometry; short latency reflex from electromyography; Achilles tendon stiffness from isometric dynamometry, ultrasonography (Achilles-medial-gastrocnemius junction), motion analysis, and force-length modelling. High-intensity exercise with placebo tape reduced tendon stiffness (-16.5%; 95% confidence limits ±8.1%; small effect size), relative to non-taped baseline, but this effect was negligible (-5.9%; ±9.2%) with AQUA TITAN (AQUA TITAN-placebo difference -11.3%; ±11.6%). Change in latency relative to baseline was trivial with placebo (1.6%; ±3.8%) but large with AQUA TITAN (-11.3%; ±3.3%). The effects on ROM with AQUA TITAN (1.6%; ±2.0%) and placebo were trivial (-1.6% ±1.9%), but the small difference (3.1%; ±2.7%) possibly greater with AQUA TITAN. AQUA TITAN tape accelerated the reflex response and attenuated reduced Achilles tendon stiffness following fatiguing exercise. Altered neuromuscular control of tendon stiffness via dermal application of micro-titanium treated materials may facilitate restoration of musculotendinous contractile performance following prior strenuous exercise.

Item Type: Article
Article Type: Article
Uncontrolled Keywords: Tendon compliance, Recovery, Stretch reflex, Tendon tap, Dynamometry
Subjects: G Geography. Anthropology. Recreation > GV Recreation Leisure > GV557 Sports > GV1060 Track and field athletics
G Geography. Anthropology. Recreation > GV Recreation Leisure > GV557 Sports
R Medicine > RC Internal medicine > RC1200 Sports Medicine
Divisions: Schools and Research Institutes > School of Sport & Exercise
Research Priority Areas: Sport, Exercise, Health & Wellbeing
Depositing User: Susan Turner
Date Deposited: 10 May 2016 15:29
Last Modified: 10 May 2016 15:32
URI: http://eprints.glos.ac.uk/id/eprint/3461

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