Twitch and M‐wave potentiation induced by intermittent maximal voluntary quadriceps contractions: Differences between direct quadriceps and femoral nerve …

J Rodriguez‐Falces, NA Maffiuletti, N Place - Muscle & Nerve, 2013 - Wiley Online Library
Introduction: The aim of this study was to investigate differences in twitch and M‐wave
potentiation in the quadriceps femoris when electrical stimulation is applied over the …

Test-retest reliability of electromyographic signal parameters used to evaluate neuromuscular fatigue in quadriceps femoris muscle

C Rocha da Silva, D de Oliveira Silva, R Valdir Briani… - Kinesiology, 2016 - hrcak.srce.hr
Sažetak The purpose of this study was to analyze the test-retest reliability of the median
frequency (MDF) and root mean square (RMS) used to determine the onset of …

Non-uniform mechanical activity of quadriceps muscle during fatigue by repeated maximal voluntary contraction in humans

M Kouzaki, M Shinohara, T Fukunaga - European journal of applied …, 1999 - Springer
To determine the non-uniform surface mechanical activity of human quadriceps muscle
during fatiguing activity, surface mechanomyogram (MMG), or muscle sound, and surface …

Repeatability of maximal voluntary force and of surface EMG variables during voluntary isometric contraction of quadriceps muscles in healthy subjects

A Rainoldi, JE Bullock-Saxton, F Cavarretta… - … of Electromyography and …, 2001 - Elsevier
The repeatability of initial values and rate of change of EMG signal mean spectral frequency
(MNF), average rectified values (ARV), muscle fiber conduction velocity (CV) and maximal …

Sex differences in muscle fatigability and activation patterns of the human quadriceps femoris

BC Clark, SR Collier, TM Manini… - European journal of …, 2005 - Springer
The purposes of this study were to determine if the fatigability of the quadriceps femoris
varies by biological sex under conditions of normal muscle blood flow and ischemia, and if …

Quadriceps mechano‐and electromyographic time‐frequency responses during muscular contractions to volitional exhaustion

R Croce, A Craft, J Miller, K Chamberlin… - Muscle & …, 2016 - Wiley Online Library
Introduction: Surface electromyography (SEMG) and mechanomyography (SMMG)
responses of the quadriceps during muscular contractions to exhaustion were computed …

MMG and EMG responses during fatiguing isokinetic muscle contractions at different velocities

SR Perry‐Rana, TJ Housh, GO Johnson… - Muscle & …, 2002 - Wiley Online Library
The purpose of this study was to determine mechanomyographic (MMG) and
electromyographic (EMG) responses of the superficial quadriceps muscles during repeated …

Comparison of electromyographic responses for the superficial quadriceps muscles: cycle versus knee‐extensor ergometry

MH Malek, JW Coburn… - Muscle & Nerve: Official …, 2009 - Wiley Online Library
The purpose of this study was to compare the electromyographic (EMG) amplitude and
mean power frequency (MPF) versus power output relationships for the three superficial …

Non‐uniform surface electromyographic responses to change in joint angle within rectus femoris muscle

K Watanabe, M Kouzaki, T Moritani - Muscle & nerve, 2014 - Wiley Online Library
Introduction: Our recent studies have demonstrated region‐specific neural activation within
the rectus femoris (RF) muscle. However, these studies involved a fixed joint angle or …

Electromyographic analysis of exercises proposed for differential activation of medial and lateral quadriceps femoris muscle components

GM Karst, PD Jewett - Physical Therapy, 1993 - academic.oup.com
Background and Purpose. The purpose of this study was to determine whether active
exercises combining hip adduction with knee extension activate medial components of the …