1997
DOI: 10.1152/jappl.1997.83.4.1076
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Abstract: The utility of skeletal troponin I (sTnI) as a plasma marker of skeletal muscle damage after exercise was compared against creatine kinase (CK), myoglobin (Mb), and myosin heavy chain (MHC) fragments. These markers were serially measured in normal physical education teacher trainees after four different exercise regimens: 20 min of level or downhill (16% decline) running (intensity: 70% maximal O2 uptake), high-force eccentric contractions (70 repetitions), or high-force isokinetic concentric contractions of t… Show more

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Cited by 134 publications
(102 citation statements)
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“…CK activity peaked the day after exercise, whereas myoglobin concentrations peaked 1 h after exercise. The temporal discrepancy between these two markers of muscle damage has been reported following several forms of exercise (Sorichter et al 1997;Koller et al 1998), and may be related to different rates of release or clearance of these proteins. The results of the present study suggest that myoglobin is released more rapidly than CK, which may be due to the considerable size difference between these molecules.…”
Section: Discussionmentioning
confidence: 97%
“…CK activity peaked the day after exercise, whereas myoglobin concentrations peaked 1 h after exercise. The temporal discrepancy between these two markers of muscle damage has been reported following several forms of exercise (Sorichter et al 1997;Koller et al 1998), and may be related to different rates of release or clearance of these proteins. The results of the present study suggest that myoglobin is released more rapidly than CK, which may be due to the considerable size difference between these molecules.…”
Section: Discussionmentioning
confidence: 97%
“…Only sTnI concentrations in plasma of healthy individuals has been reported. Sorichter et al (13,14) reported sTnI to be 0.002 g/ml and then later differentiated between gender with 0.0012 and 0.0005 g/ml in healthy males and females, respectively. Recently we reported sTnI concentrations in healthy individuals and patients with nonskeletal muscle diseases to be below 0.0016 g/ml (level of assay detection) (15).…”
Section: Table II Optimization Of Chromatographic Focusing Conditionsmentioning
confidence: 98%
“…Local micro-trauma is known to activate an immune response leading to the systemic inflammatory response syndrome (SIRS; for details see 14). Interestingly, this micro-trauma of skeletal muscles is more pronounced after eccentrically than after concentrically biased exercise (15). Downhill running is a specific exercise pattern with a high contribution of eccentric muscle strain and known to induce microtraumata of skeletal muscles ( 16, 1 7).…”
Section: Introductionmentioning
confidence: 99%