dc.contributor.author | Nimmerichter, A | |
dc.contributor.author | Holdhaus, J | |
dc.contributor.author | Mehnen, L | |
dc.contributor.author | Vidotto, C | |
dc.contributor.author | Loidl, M | |
dc.contributor.author | Barker, AR | |
dc.date.accessioned | 2015-04-24T09:28:47Z | |
dc.date.issued | 2013-10-23 | |
dc.description.abstract | Limited research has suggested that acute exposure to negatively charged ions may enhance cardio-respiratory function, aerobic metabolism and recovery following exercise. To test the physiological effects of negatively charged air ions, 14 trained males (age: 32 ± 7 years; {Mathematical expression}: 57 ± 7 mL min-1 kg-1) were exposed for 20 min to either a high-concentration of air ions (ION: 220 ± 30 × 103 ions cm-3) or normal room conditions (PLA: 0.1 ± 0.06 × 103 ions cm-3) in an ionization chamber in a double-blinded, randomized order, prior to performing: (1) a bout of severe-intensity cycling exercise for determining the time constant of the phase II {Mathematical expression} response (τ) and the magnitude of the {Mathematical expression} slow component (SC); and (2) a 30-s Wingate test that was preceded by three 30-s Wingate tests to measure plasma [adrenaline] (ADR), [nor-adrenaline] (N-ADR) and blood [lactate] (BLac) over 20 min during recovery in the ionization chamber. There was no difference between ION and PLA for the phase II {Mathematical expression}τ (32 ± 14 s vs. 32 ± 14 s; P = 0.7) or {Mathematical expression} SC (404 ± 214 mL vs 482 ± 217 mL; P = 0.17). No differences between ION and PLA were observed at any time-point for ADR, N-ADR and BLac as well as on peak and mean power output during the Wingate tests (all P > 0.05). A high-concentration of negatively charged air ions had no effect on aerobic metabolism during severe-intensity exercise or on performance or the recovery of the adrenergic and metabolic responses after repeated-sprint exercise in trained athletes. © 2013 ISB. | en_GB |
dc.identifier.citation | September 2014, Volume 58, Issue 7, pp 1503-1512 | en_GB |
dc.identifier.doi | 10.1007/s00484-013-0754-8 | |
dc.identifier.uri | http://hdl.handle.net/10871/16985 | |
dc.language.iso | en | en_GB |
dc.publisher | Springer Verlag (Germany) | en_GB |
dc.relation.url | http://link.springer.com/article/10.1007%2Fs00484-013-0754-8 | en_GB |
dc.relation.url | http://www.ncbi.nlm.nih.gov/pubmed/24149934 | en_GB |
dc.rights | The final publication is available at Springer via http://dx.doi.org/10.1007/s00484-013-0754-8 | en_GB |
dc.subject | Catecholamine | en_GB |
dc.subject | Central fatigue | en_GB |
dc.subject | Environmental physiology | en_GB |
dc.subject | Ergogenic | en_GB |
dc.title | Effects of negative air ions on oxygen uptake kinetics, recovery and performance in exercise: a randomized, double-blinded study | en_GB |
dc.type | Article | en_GB |
dc.date.available | 2015-04-24T09:28:47Z | |
dc.identifier.issn | 0020-7128 | |
dc.description | Copyright © ISB 2013 | en_GB |
dc.identifier.journal | International Journal of Biometeorology | en_GB |