Myofascial force transmission between transferred rat flexor carpi ulnaris muscle and former synergistic palmaris longus muscle

Maas, Huub and Huijing, Peter A. (2011) Myofascial force transmission between transferred rat flexor carpi ulnaris muscle and former synergistic palmaris longus muscle. M.L.T.J. Muscles, Ligaments and Tendons Journal, 1 (4). pp. 127-133. ISSN 2240-4554

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Abstract

We investigated the extent of mechanical interaction between rat flexor carpi ulnaris (FCU) and palmaris longus (PL) muscles following transfer of FCU to the distal tendons of extensor carpi radialis brevis and longus (ECRB/L) muscles. Five weeks after recovery from surgery, isometric forces exerted at the distal tendons of FCU and PL were quantified at various FCU lengths. PL was kept at a constant length. Changing the muscletendon complex length of transferred FCU (by maximally 3.5 mm) decreased PL force significantly (by 7%). A linear relationship was found between changes in FCU muscle belly length, being a measure of muscle relative positions, and PL force. These results indicate that despite transfer of FCU muscle to the extensor side of the forearm, changing FCU length still affects force transmission of its, now, antagonistic PL muscle. We conclude that a transferred muscle may still be mechanically linked to its former synergistic muscles

Item Type:	Article
Uncontrolled Keywords:	Skeletal muscle, scar tissue, connective tissue, tendon transfer, myofascial, wrist
Subjects:	600 Tecnologia - Scienze applicate > 610 Medicina e salute (Classificare qui la tecnologia dei servizi medici) > 616 Malattie (classificare qui la Clinica medica, la medicina basata sull'evidenza, la Medicina interna, la Medicina sperimentale) > 616.7 Malattie del sistema muscoloscheletrico
Depositing User:	Danilo Dezzi
Date Deposited:	07 Apr 2014 15:54
Last Modified:	07 Apr 2014 15:54
URI:	http://eprints.bice.rm.cnr.it/id/eprint/8018

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