[PDF][PDF] Oxygen uptake kinetics

DC Poole, AM Jones - Compr physiol, 2012‏ - researchgate.net
Muscular exercise requires transitions to and from metabolic rates often exceeding an order
of magnitude above resting and places prodigious demands on the oxidative machinery and …

Quantification of skeletal muscle mitochondrial function by 31P magnetic resonance spectroscopy techniques: a quantitative review

GJ Kemp, RE Ahmad, K Nicolay… - Acta …, 2015‏ - Wiley Online Library
Magnetic resonance spectroscopy (MRS) can give information about cellular metabolism in
vivo which is difficult to obtain in other ways. In skeletal muscle, non‐invasive 31 P MRS …

Respiratory muscle work compromises leg blood flow during maximal exercise

CA Harms, MA Babcock… - Journal of applied …, 1997‏ - journals.physiology.org
Harms, Craig A., Mark A. Babcock, Steven R. McClaran, David F. Pegelow, Glenn A. Nickele,
William B. Nelson, and Jerome A. Dempsey. Respiratory muscle work compromises leg …

Myoglobin O2 desaturation during exercise. Evidence of limited O2 transport.

RS Richardson, EA Noyszewski, KF Kendrick… - The Journal of clinical …, 1995‏ - jci.org
The assumption that cellular oxygen pressure (PO2) is close to zero in maximally exercising
muscle is essential for the hypothesis that O2 transport between blood and mitochondria has …

Validity of criteria for establishing maximal O2 uptake during ramp exercise tests

DC Poole, DP Wilkerson, AM Jones - European journal of applied …, 2008‏ - Springer
The incremental or ramp exercise test to the limit of tolerance has become a popular test for
determination of maximal O 2 uptake (̇ VO _\rm 2max). However, many subjects do not …

A model of human muscle energy expenditure

BR Umberger, KGM Gerritsen… - Computer methods in …, 2003‏ - Taylor & Francis
A model of muscle energy expenditure was developed for predicting thermal, as well as
mechanical energy liberation during simulated muscle contractions. The model was …

Muscle blood flow is reduced with dehydration during prolonged exercise in humans

J González‐Alonso, JAL Calbet… - The Journal of …, 1998‏ - Wiley Online Library
1 The present study examined whether the blood flow to exercising muscles becomes
reduced when cardiac output and systemic vascular conductance decline with dehydration …

Metabolic cost of generating muscular force in human walking: insights from load-carrying and speed experiments

TM Griffin, TJ Roberts, R Kram - Journal of applied …, 2003‏ - journals.physiology.org
We sought to understand how leg muscle function determines the metabolic cost of walking.
We first indirectly assessed the metabolic cost of swinging the legs and then examined the …

Power output and muscle metabolism during and following recovery from 10 and 20 s of maximal sprint exercise in humans

GC Bogdanis, ME Nevill, HKA Lakomy… - Acta Physiologica …, 1998‏ - Wiley Online Library
On two separate days eight male subjects performed a 10‐or 20‐s cycle ergometer sprint
(randomized order) followed, after 2 min of recovery, by a 30‐s sprint. Muscle biopsies were …

Mechanics and energetics of level walking with powered ankle exoskeletons

GS Sawicki, DP Ferris - Journal of Experimental Biology, 2008‏ - journals.biologists.com
Robotic lower limb exoskeletons that can alter joint mechanical power output are novel tools
for studying the relationship between the mechanics and energetics of human locomotion …