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Serum Concentrations of S100B are not Affected by Cycling to Exhaustion With or Without Vibration

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Schulte S., Schiffer T., Sperlich B., Kleinöder H., Holmberg H.

Journal of Human Kinetics

2011

vol. 30

59-63

The calcium-binding protein S100B is produced primarily by astrocytes and exerts concentration-dependent paracrine and autocrine effects on neurons and glia. The numerous findings of a correlation between S100B and traumatic brain injury (TBI) have resulted in the employment of this protein as a clinical biomarker for such injury. Our present aim was to determine whether cycling with (V) or without (NV) vibration alters serum concentrations of S100B. Twelve healthy, male non-smokers (age: 25.3±1.6 yrs, body mass: 74.2±5.9 kg, body height: 181.0±3.7 cm, VO2peak: 56.9±5.1 ml·min-1·kg-1 (means ± SD)) completed in random order two separate trials to exhaustion on a vibrating bicycle (amplitude 4 mm and frequency 20 Hz) connected to an ergometer. The initial workload of 100 W was elevated by 50 W every 5 min and the mean maximal period of exercise was 25:27±1:30 min. The S100B in venous blood taken at rest, immediately after the test, and 30, 60 and 240 min post-exercise exhibited no significant differences (p>0.05), suggesting that cycling with and without vibration does not influence this parameter.

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1 Journal of Human Kinetics

1 2011

1 Holmberg H.

1 Kleinöder H.

1 Schiffer T.

1 Schulte S.

1 Sperlich B.

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Serum Concentrations of S100B are not Affected by Cycling to Exhaustion With or Without Vibration