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Keywords: Force enhancement
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Journal Articles
J Exp Biol (2022) 225 (22): jeb244703.
Published: 18 November 2022
... of activation. One hypothesis proposed to account for these force depression (FD) and force enhancement (FE) properties is a change in cross-bridge cycling kinetics. The rate of cross-bridge attachment ( f ) and/or cross-bridge detachment ( g ) may be altered following active shortening and active stretching...
Journal Articles
J Exp Biol (2017) 220 (23): 4418–4425.
Published: 1 December 2017
... to eliminate roughly 30% of Ig domain straightening (22 Ig domains of 77 total in rabbit psoas I-band titin; Freiburg et al., 2000 ), which would require PEVK-dependent force generation to occur at shorter SLs when compared with passive stretch at the same SLs. These data resemble residual force enhancement...
Journal Articles
J Exp Biol (2017) 220 (22): 4177–4185.
Published: 15 November 2017
... deletion exhibit large deficits in net negative work, suggesting that titin contributes to energy storage and dissipation during stretch–shortening cycles. Energy storage and dissipation Force enhancement Force depression Negative work Muscular dystrophy with myositis Titin/connectin...
Journal Articles
J Exp Biol (2014) 217 (20): 3629–3636.
Published: 15 October 2014
... force produced at a given sarcomere length exceeds the predictions of the force–length relationship ( Abbott and Aubert, 1952 ; Edman et al., 1978 ; Edman et al., 1982 ; Morgan, 1994 ; Herzog et al., 2006 ; Leonard and Herzog, 2010 ). This property, termed residual force enhancement, provides...
Journal Articles
J Exp Biol (2014) 217 (16): 2825–2833.
Published: 15 August 2014
...). All these studies suggest that upon activation, titin binds calcium at specific locations, thereby increasing its stiffness, and thus its force when stretched. This is a mechanism that could explain residual force enhancement in skeletal muscle contraction ( Herzog et al., 2012c ). However...
Journal Articles
Journal Articles
Journal Articles
J Exp Biol (2002) 205 (9): 1275–1283.
Published: 1 May 2002
...W. Herzog; T. R. Leonard SUMMARY We investigated force enhancement following stretching in the in situ cat soleus muscle on the ascending and descending limb of the force-length relationship by varying the amount and speed of stretching and the frequency of activation (5 Hz, 30 Hz...