Threats to internal validity in exercise science: a review of overlooked confounding variables

I Halperin, DB Pyne, DT Martin - … Journal of Sports …, 2015 - journals.humankinetics.com
Internal validity refers to the degree of control exerted over potential confounding variables
to reduce alternative explanations for the effects of various treatments. In exercise and sports …

[HTML][HTML] Improvement of motor task performance: Effects of verbal encouragement and music—Key results from a randomized crossover study with electromyographic …

F Cotellessa, NL Bragazzi, C Trompetto, L Marinelli… - Sports, 2024 - mdpi.com
External motivational stimuli have been shown to improve athletic performance. However,
the neurophysiological mechanisms underlying this improvement remain poorly understood …

The effect of high nicotine dose on maximum anaerobic performance and perceived pain in healthy non-smoking athletes: crossover pilot study

P Bartík, P Šagát, J Pyšná, L Pyšný, J Suchý… - International Journal of …, 2023 - mdpi.com
Background: In recent years, there has been intensive discussion about the positive effect of
nicotine usage on enhancing sports performance. It is frequently applied through a non …

The effect of non-contingent and accurate performance feedback on pacing and time trial performance in 4-km track cycling

AR Mauger, AM Jones, CA Williams - British Journal of Sports …, 2011 - bjsm.bmj.com
Objective To determine whether the provision of comparative performance feedback during
4 km track cycling affects completion time. Design Five highly trained male cyclists first …

Verbal encouragement and between-day reliability during high-intensity functional strength and endurance performance testing

FA Engel, O Faude, S Kölling, M Kellmann… - Frontiers in …, 2019 - frontiersin.org
As verbal encouragement (VE) is used in high intensity functional exercise testing, this
randomized controlled crossover study aimed at investigating whether VE affects high …

Variations in verbal encouragement modify isokinetic performance

NK Rendos, K Harriell, S Qazi, RC Regis… - The Journal of …, 2019 - journals.lww.com
Abstract Rendos, NK, Harriell, K, Qazi, S, Regis, RC, Alipio, TC, and Signorile, JF. Variations
in verbal encouragement modify isokinetic performance. J Strength Cond Res 33 (3): 708 …

The effect of verbal encouragement on performance and muscle fatigue in swimming

L Puce, C Trompetto, A Currà, L Marinelli, L Mori… - Medicina, 2022 - mdpi.com
Background and Objectives: Verbal encouragement (VE) can be used to enhance
performance in several sports, even though no studies have been conducted among …

Exploration and identification of cortico-cerebellar-brainstem closed loop during a motivational-motor task: an fMRI study

C Belkhiria, T Driss, C Habas, H Jaafar, R Guillevin… - The Cerebellum, 2017 - Springer
The cerebellum is involved not only in motor coordination, training, and memory, but also in
cognition and emotion. Lobule VI in particular belongs to sensorimotor, salience, and …

[PDF][PDF] The influence of verbal encouragement on heart rate, maximum oxygen uptake, and distance covered in young male adults during beep test

M Pacholek - J Mens Health, 2023 - oss.jomh.org
Communication and motivation from physical education teachers is an important part of
physical education classes. Therefore, it is necessary to look for suitable and effective …

The role of visual feedback on power output during intermittent Wingate testing in ice hockey players

P Stastny, JJ Tufano, J Kregl, M Petr, D Blazek, M Steffl… - Sports, 2018 - mdpi.com
Background: Visual feedback may help elicit peak performance during different types of
strength and power testing, but its effect during the anaerobic Wingate test is unexplored …