I recently got a HR with R-R capability, How long should I rest to get a baseline for HRV? And do I need to completely rest or could I still do low intensity skill work?
You need to be completely stable and in a stable position. I’d suggest getting 3-5 minutes of data once your heart rate has stabilized. The only way to get anything meaningful out of R-R intervals pulled from a heart rate monitor is to export it into kubios.
I’m using the iThlete until Bioforce HRV arrives. The iThlete guide insists that readings be taken while standing, but I have gotten some seemingly erratic results from this. Readings taken while seated are producing very different, and more consistent numbers. Joel, do you recommend sticking with seated readings for Bioforce HRV?
With BioForce HRV I recommend taking the measurement either laying on your back or in the seated position. Personally, I think it’s hard to stabilize while standing and unless you’ve got a resting HR in the 40s, laying or seated will be the best.
Great article! Any chance of posting a bibliography for the additional research cited?
Here you go, Vin. It’s in the order the article mentioned them –
Selman A, MacDonald A, Kitney R, te al. The interaction between heart rate and respiration. Part I: experimental studies in man. Automedica 1982; 4: 131-9
Eckberg DL. Sympathovagal balance: a critical appraisal. Circulation 1997; 96(9): 3224-32
Gudemez E, Ozer K, Cunningham B, Siemionow K, Browne D, and Siemionow M. Dehydroepiandrosterone as an enhancer of functional recovery following crush injury to rat sciatic nerve. Microsurgery 2002; 22: 234-241
Lee W, Chen S, Wu M, Hou C, Lai Y, Laio Y, Lin C, and Kuo C. The role of deydroepiandrosterone levels on physiologic acclimatization to chronic mountaineering activity. High Alt Med Biol 2006; 7:228-236
Uusitalo A.L., A.J. Uusitalo, and H.K. Rusko. Endurance training, overtraining and baroreflex sensitivity in female athletes. Clin Physiol 1998; 18: 510-520
Uusitalo A.L., A.J. Uusitalo, and H.K. Rusko. Exhaustive endurance training for 6-9 weeks did not induce changes in intrinsic heart rate and cardiac autonomic modulation in female athletes. Int J Sports Med 1998; 19: 532-540
Hohnloser S.H., Klingenheben T., Zabel M., Schroder F., and Just H. Intraindividual reproducibility of heart rate variability. Pace 1992; 15:2211-2214.
Huikuri H.V., Kessler K.M., Terracall E., Castellanos A., Linnaluoto M.K., and Myerburg R.J. Reproducibility and circadian rhythm of heart rate variability in healthy subjects. Am J Cardiol 1990; 65: 391-393
Allgorve JE, Gomes E, Hough J, Gleeson M. Effects of exercise intensity on salivary antimicrobial proteins and markers of stress in active men. J Sports Sci 2008; 26(6): 653-61
great summary – only one inaccuracy: Allgorve et al. measured the concentration of salivary immunoglobulin A in saliva produced by cells in the salivary gland. s-IgA is a protein produced in saliva by salivary cells and contributes to the defense of mucous membranes from pathogens.
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