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Keywords: Soleus
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Journal Articles
J Exp Biol (2023) 226 (3): jeb243991.
Published: 10 February 2023
... dynamic conditions remain unclear. To explore this, we investigated the effects of muscle stiffness, activation and length perturbations on muscle force. First, submaximal isometric contraction was established for whole soleus muscles. Next, the muscles were actively shortened at three velocities. During...
Journal Articles
J Exp Biol (2022) 225 (21): jeb244962.
Published: 4 November 2022
... © 2022. Published by The Company of Biologists Ltd 2022 Summary: Eccentric force is relatively preserved compared with isometric force when cross-bridge cycling is inhibited, possibly because of the contribution of the elastic force produced by titin. Soleus Skinned fiber Titin...
Journal Articles
J Exp Biol (2022) 225 (10): jeb243732.
Published: 26 May 2022
... deletion in N2A titin, has been proposed to prevent N2A titin–actin interactions so that active mdm muscles are more compliant than wild type (WT). This decrease in active muscle stiffness is associated with reduced RFE. We investigated RFE in permeabilized soleus (SOL) and extensor digitorum longus (EDL...
Journal Articles
J Exp Biol (2022) 225 (7): jeb243630.
Published: 12 April 2022
... of protein ensembles with different isoform profiles at the sarcomere scale. However, it remains unclear how isoform profiles shape whole-muscle performance. We compared two mouse hindlimb muscles, the slow, relatively parallel-fibered soleus and the faster, more pennate-fibered tibialis anterior (TA...
Includes: Supplementary data
Journal Articles
J Exp Biol (2020) 223 (6): jeb217117.
Published: 20 March 2020
..., and whether the effects are muscle specific and aggravated in older age. Muscle morphology was determined in the soleus, extensor digitorum longus (EDL) and diaphragm muscles of female CD-1 mice from 5 groups: young fed a HFD for 8 weeks (YS-HFD, n =16), young fed a HFD for 16 weeks (YL-HFD, n =28) and young...
Journal Articles
J Exp Biol (2019) 222 (23): jeb212449.
Published: 10 December 2019
... between midfoot/forefoot and rearfoot strikers. Dynamic optimization Forefoot strike Gastrocnemius medialis Rearfoot strike Soleus Ultrasound The metabolic energy consumed during submaximal running, often referred to as running economy, is an important factor determining endurance...
Includes: Supplementary data
Journal Articles
J Exp Biol (2019) 222 (14): jeb204032.
Published: 19 July 2019
... for this force potentiation. However, direct examination of the influence of tendon elongation on the SSC effect has not been made. The aim of this study was to evaluate the contribution of tendon elongation to the SSC effect by comparing the magnitude of the SSC effect in the rat soleus with and without...
Journal Articles
J Exp Biol (2019) 222 (13): jeb206557.
Published: 28 June 2019
.... Therefore, the purpose of this study was to examine the effect of stretch magnitude, and by association RFE, on the mechanics of the stretch–shortening cycle (SSC) in skinned skeletal muscle fibres. Three tests were performed using skinned rabbit soleus fibres ( N =18). The first test was a pure shortening...
Journal Articles
J Exp Biol (2015) 218 (18): 2935–2941.
Published: 1 September 2015
..., on the magnitude and direction of the 3D ankle moment exerted by the soleus muscle and the mechanical interaction between ankle plantar flexor muscles during co-activation of gastrocnemius muscle, in the rat ( N =9). Ankle angle was kept constant (90 deg), whereas knee angle was varied between 60 deg and 130 deg...
Journal Articles
Journal Articles
J Exp Biol (2012) 215 (21): 3711–3722.
Published: 1 November 2012
... the relative contributions of lower and higher frequency signals of cat ankle extensors (soleus, medial and lateral gastrocnemii, plantaris) during level, downslope and upslope walking and the paw-shake response. This was done using the first two myoelectric signal principal components (PCI, PCII), explaining...
Journal Articles
Journal Articles
J Exp Biol (2004) 207 (16): 2793–2802.
Published: 15 July 2004
...Cyril Bozzo; Laurence Stevens; Valentine Bouet; Valérie Montel; Florence Picquet; Maurice Falempin; Michel Lacour; Yvonne Mounier SUMMARY This study examined the effects of an elevation of the gravity factor(hypergravity – 2 g ) on the molecular and functional characteristics of rat soleus...
Journal Articles
J Exp Biol (2002) 205 (15): 2161–2166.
Published: 1 August 2002
...Klaus D. Jürgens SUMMARY The skeletal muscles of the smallest mammal, the Etruscan shrew Suncus etruscus , are functionally and structurally adapted to the requirements of an enormously high energy turnover. Isometric twitch contractions of the extensor digitorum longus (EDL) and soleus muscles...
Journal Articles
Journal Articles
J Exp Biol (1999) 202 (12): 1691–1700.
Published: 15 June 1999
...Da-Xing Lu; Lorenzo Käser; Markus Müntener ABSTRACT The extensor digitorum longus muscle (EDL) or soleus muscle (SOL) in rats was mechanically overloaded on one side. The muscles were (i) untreated (normal) or (ii) self- or foreign-reinnervated (leading to persisting muscle fibres) or transplanted...