Polar R-R Intervals Online HR Variability

Polar R-R Intervals / Online HR Variability

Measures heart beat intervals and reflects autonomic nervous system in heartbeat regulation.

Measures your heartbeat intervals and reflects autonomic nervous system activity in heartbeat regulation. The R-R interval measurement is most useful at rest and at low intensities. Relaxation rate indicates the state of your physical recovery.

BASKET SUMMARY
Your shopping basket
is currently empty
CURRENCY
Select your currency:
LANGUAGE
Select your language:
Sci-MX 100% Whey Isolate (800g)
Price: £ 22.75
Normally: £ 44.16
MuscleTech Platinum Pure CLA (90 Softgels)
Price: £ 13.75
Normally: £ 17.99
Applied Nutrition Leucine 4K (240 Tablets)
Price: £ 12.95
Normally: £ 34.99
USN Spike Shock Extreme Energy (12 Bottles)
Price: £ 14.85
Normally: £ 22.00
Applied Nutrition Omega 3 (100 Softgels)
Price: £ 8.50
Normally: £ 16.99
Kinetica Protein+ Bars (12 Bars)
Price: £ 14.80
Normally: £ 30.00
Optimum NutritionReflexKineticaUSNMaxiNutritionDymatizeMuscleTechGrenadeWeider NutritionScitec NutritionGaspariMusclePharmBoditronicsMutantAnimalMET-RxBSNEASPhD NutritionCNPSyntraxSolgarSci-MXNutriSportiSatoriDedicated NutritionNutrexUniversal NutritionAll American EFXBPI SportsProlabControlled LabsCytosportApplied NutritionBeastLabradaMRI PerformanceTop Secret NutritionPeak BodyAllMax NutritionAtlasPharma FreakBio-SynergyExtreme NutritionArnold Schwarzenegger SeriesMHPEfectivCellucorVPX