Oxygenation and neuromuscular activation of the quadriceps femoris including the vastus intermedius during a fatiguing contraction

H Akima, R Ando - Clinical Physiology and Functional Imaging, 2017 - Wiley Online Library
Introduction The purpose of this study was to assess oxygenation and neuromuscular
activation of the quadriceps femoris muscle group, including the vastus intermedius (VI) …

Oxygenation and EMG in the proximal and distal vastus lateralis during submaximal isometric knee extension

AG Crenshaw, L Bronee, I Krag… - Journal of sports …, 2010 - Taylor & Francis
Muscle oxygenation responses are reportedly greater in the distal muscle region than in the
proximal muscle region. We combined near infrared spectroscopy and electromyography …

Non‐uniform muscle oxygenation despite uniform neuromuscular activity within the vastus lateralis during fatiguing heavy resistance exercise

N Miyamoto, T Wakahara, R Ema… - … and functional imaging, 2013 - Wiley Online Library
Previous studies have reported for the vastus lateralis (VL) that the extent of muscle
hypertrophy in response to resistance training is greater in the distal than in the middle …

Influence of angular velocity on Vastus Lateralis and Rectus Femoris oxygenation dynamics during knee extension exercises

R Denis, J Wilkinson, G De Vito - Clinical physiology and …, 2011 - Wiley Online Library
The purpose of this study was to investigate whether changes in angular velocity would alter
vastus lateralis (VL) and rectus femoris (RF) oxygenation status during maximal isokinetic …

[HTML][HTML] Knee angle-dependent oxygen consumption during isometric contractions of the knee extensors determined with near-infrared spectroscopy

CJ De Ruiter, MD De Boer… - Journal of applied …, 2005 - journals.physiology.org
Fatigue resistance of knee extensor muscles is higher during voluntary isometric
contractions at short compared with longer muscle lengths. In the present study we …

Knee extensor muscle oxygen consumption in relation to muscle activation

RD Kooistra, ME Blaauboer, JR Born… - European journal of …, 2006 - Springer
Recently, fatigability and muscle oxygen consumption (m VO 2) during sustained isometric
contractions were found to be less at shorter (30° knee angle; 0°= full extension) compared …

Muscle deoxygenation and neuromuscular activation in synergistic muscles during intermittent exercise under hypoxic conditions

A Yoshiko, K Katayama, K Ishida, R Ando, T Koike… - Scientific Reports, 2020 - nature.com
The purpose of this study was to elucidate the effects of hypoxia on deoxygenation and
neuromuscular activation in synergistic quadriceps femoris (QF) muscles (ie, the rectus …

The effect of eccentric contraction velocity on quadriceps oxygen dynamics

T Okamoto, M Masuhara, K Ikuta - Isokinetics and exercise …, 2004 - content.iospress.com
The purpose of this study was to investigate the effect of eccentric contraction velocity on
quadriceps oxygen dynamics. Fifteen healthy male volunteers were tested eccentrically at …

Association between regional quadriceps oxygenation and blood oxygen saturation during normoxic one-legged dynamic knee extension

K Esaki, T Hamaoka, G Rådegran, R Boushel… - European journal of …, 2005 - Springer
It is not clear whether muscle oxygenation (O 2-NIRS) measured by near-infrared
spectroscopy (NIRS) correlates with femoral venous SO 2 (S fv o 2) during normoxic …

Regional muscle oxygenation differences in vastus lateralis during different modes of incremental exercise

MD Kennedy, MJ Haykowsky, CA Boliek, BTA Esch… - Dynamic …, 2006 - Springer
Background Near infrared spectroscopy (NIRS) is used to assess muscle oxygenation (MO)
within skeletal muscle at rest and during aerobic exercise. Previous investigations have …