ArticlePhysiological reports2016
W' expenditure and reconstitution during severe intensity constant power exercise: mechanistic insight into the determinants of W'.
Article in Physiological reports, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Is there a critical rate of torque development?European journal of applied physiology · 2025Article
- Muscle microvascular oxygen delivery limitations during the contraction phase of intermittent maximal effort contractions.European journal of applied physiology · 2025Article
- Can Popular High-Intensity Interval Training (HIIT) Models Lead to Impossible Training Sessions?Sports (Basel, Switzerland) · 2022Article
- Modeling the expenditure and reconstitution of distance above critical speed during two swimming interval training sessions.Frontiers in physiology · 2022Article
- The Application of Critical Power, the Work Capacity above Critical Power (W'), and its Reconstitution: A Narrative Review of Current Evidence and Implications for Cycling Training Prescription.Sports (Basel, Switzerland) · 2020Review
- Relationship between recovery of neuromuscular function and subsequent capacity to work above critical power.European journal of applied physiology · 2020Article
- Relationship between power-duration parameters and mechanical and anthropometric properties of the thigh in elite cyclists.European journal of applied physiology · 2018Article
- W' expenditure and reconstitution during severe intensity constant power exercise: mechanistic insight into the determinants of W'.Physiological reports · 2016Article
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Authors and funding
6 authors.
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Abstract
The sustainable duration of severe intensity exercise is well-predicted by critical power (CP) and the curvature constant (W'). The development of the W'BAL model allows for the pattern of W' expenditure and reconstitution to be characterized and this model has been applied to intermittent exercise protocols. The purpose of this investigation was to assess the influence of relaxation phase duration and exercise intensity on W' reconstitution during dynamic constant power severe intensity exercise. Six men (24.6 ± 0.9 years, height: 173.5 ± 1.9 cm, body mass: 78.9 ± 5.6 kg) performed severe intensity dynamic handgrip exercise to task failure using 50% and 20% duty cycles. The W'BAL model was fit to each exercise test and the time constant for W' reconstitution (τW') was determined. The τW' was significantly longer for the 50% duty cycle (1640 ± 262 sec) than the 20% duty cycle (863 ± 84 sec, P = 0.02). Additionally, the relationship between τW' and CP was well described as an exponential decay (r(2) = 0.90, P < 0.0001). In conclusion, the W'BAL model is able to characterize the expenditure and reconstitution of W' across the contraction-relaxation cycles comprising severe intensity constant power handgrip exercise. Moreover, the reconstitution of W' during constant power severe intensity exercise is influenced by the relative exercise intensity, the duration of relaxation between contractions, and CP.
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