Fast and slow twitch muscles in man
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Cited by (31)
The age related slow and fast contributions to the overall changes in tibialis anterior contractile features disclosed by maximal single twitch scan
2016, Archives of Gerontology and GeriatricsCitation Excerpt :In humans the application of invasive methods of single MU activation is not possible and different methods such as the spike triggered averaging during voluntary contraction can be used to extract the single MU mechanical response. In TA McComas and Thomas (1968), Sica and McComas (1971) and Van Cutsem et al. (1997) reported CT spectra for pulled slow and fast MU ranging from 20 to 86 ms. These data concerning human CT values stress that the larger is the muscle the longer is the CT of their MUs. Moreover when the CTs of SBFs show values compatible with those of fast or slow human TA MUs we may hypothesize that in any case, in a given extracted SBF ST, a functional prevalence of fast or slow fibres can be present.
The architecture and contraction time of intrinsic foot muscles
2012, Journal of Electromyography and KinesiologyCitation Excerpt :To address this gap in the published literature, the structure and contraction time of four intrinsic foot muscles, the Abductor Hallucis (AH), Abductor Digiti Minimi (ADM), Extensor Hallucis Brevis (EHB) and Flexor Hallucis Brevis (FHB), were comprehensively analyzed utilizing a combined cadaveric dissection and whole muscle mechanomyographic (wMMG) technique. wMMG is a non-invasive technique that utilized percutaneous neuromuscular stimulation (PNS) to determine the contraction characteristics (e.g. contraction time – Tc) of a whole subcutaneous muscle (McComas and Thomas, 1968) or its constituent superficial segments (Brown et al., 2007). Tc represents the amount of time it takes for the muscle to reach maximal muscle belly displacement from rest, following a supra-maximal percutaneous neuromuscular stimulation (PNS).
In vivo behavior of muscle fascicles and tendinous tissues of human gastrocnemius and soleus muscles during twitch contraction
2007, Journal of Electromyography and KinesiologyCitation Excerpt :The time-course of twitch torque or force (e.g. contraction and half relaxation times) induced by a single electrical stimulus has been well utilized to investigate the muscle contractile properties of mammalian species (Close and Hoh, 1968; Cooper and Eccles, 1930; Ranatunga, 1977). In human muscles in vivo, many attempts (Belanger and McComas, 1985; Davies et al., 1987; McComas and Thomas, 1968; Pääsuke et al., 1999; Rice et al., 1988; Sale et al., 1982; Vandervoort and McComas, 1983) have been made to determine the time-course of twitch contraction by examining the triceps surae as the greatest contributor to plantar flexion torque. These weight-bearing muscles have important roles in various human movements; e.g. bipedal locomotion (Fukunaga et al., 2001; Hof et al., 2002) and stabilization of the body mass during quiet stance (Masani et al., 2003).
Chapter 2 Skeletal muscle: structure and function
2003, Handbook of Clinical Neurophysiology1998 ISEK Congress Keynote Lecture Motor units: How many, how large, what kind?
1998, Journal of Electromyography and KinesiologyThe anatomy and fibre type composition of the human adductor pollicis in relation to its contractile properties
1984, Journal of the Neurological Sciences