Paulo Marchetti

Paulo Marchetti
California State University, Northridge | CSUN · Department of Kinesiology

Ph.D.
Full Professor and Researcher in Strength Training at California State University Northridge

About

215
Publications
272,351
Reads
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1,080
Citations
Introduction
Paulo Marchetti currently works as a Full Professor at the Department of Kinesiology, California State University-Northridge, CA, USA. Research: Stretching and Resistance Training. Courses: KIN126 (Strength Training), KIN417 (Strength and Conditioning), KIN617 (Advanced Strength and Conditioning), KIN345 (Biomechanics), and KIN645 (Sem. in Biomechanics). Instagram: dr.paulomarchetti Book: https://he.kendallhunt.com/marchetti
Additional affiliations
August 2017 - August 2020
California State University, Northridge
Position
  • Professor (Associate)
Description
  • Strength Training (KIN126A); Resistance Training and Conditioning (KIN417); Biomechanics (KIN345); Adv Strength Training (KIN617); Sem. Biomechanics (KIN645) Advisor in the Graduate Program (M.Sc) at CSUN
July 2014 - July 2016
University of São Paulo
Position
  • PostDoc Position
Description
  • Laboratory of Kinesiology, Institute of Orthopedics and Traumatology, Medical School, Sao Paulo State University
June 2012 - July 2017
Methodist University of Piracicaba (UNIMEP)
Position
  • Consultant
Description
  • Advisor of Ph.D. and M.S. degree Students
Education
January 2006 - December 2009
University of São Paulo
Field of study
  • Biomechanics and Resistance Training
February 2003 - December 2005
São Paulo State University
Field of study
  • Biomechanics and Resistance Training

Publications

Publications (215)
Article
International Journal of Exercise Science 15(3): 962-973, 2022. Background: Stabilizing exercises reduce pain intensity, improves shoulder position and scapular function, and provides an appropriate strategy for the improvement of scapular dyskinesia. The purpose of this study was to investigate the effect of six weeks of stability exercises (stret...
Article
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International Journal of Exercise Science 15(4): 910-933, 2022. The regular practice of resistance training (RT) has been shown to induce relevant increases in both muscle strength and size. In order to maximize these adaptations, the proper manipulation of RT variables is warranted. In this sense, the aim of the present study was to review the ava...
Article
Full-text available
International Journal of Exercise Science 15(4): X-Y, 2022. The regular practice of resistance training (RT) has been shown to induce relevant increases in both muscle strength and size. In order to maximize these adaptations, the proper manipulation of RT variables is warranted. In this sense, the aim of the present study was to review the availab...
Article
Full-text available
International Journal of Exercise Science 15(4): 797-807, 2022 The aim of the present study was to compare the myoelectric activation and peak force (PF) between pullover (PO) and pulldown (PW) exercises in different shoulder joint positions during maximal isometric contractions (0º, 45º, 90º, 135º, and 180°). Fifteen young, healthy, resistance-tr...
Article
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International Journal of Exercise Science 15(6): 676-685, 2022. The primary purpose of this study was to evaluate the acute effects of different durations of the isometric forearm plank exercise (IFPE) on peak force, echo intensity, muscle thickness, and perception of effort in recreationally-trained participants. Fifteen resistance-trained parti...
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Background: Several interventions have been used to relieve chronic low back pain (CLBP). This study aimed to compare the effects of pain neuroscience education (PNE) followed by motor control exercises (MCEs) with core stability training (CST) on pain, disability, and balance in women with CLBP. Methods: Thirty-seven women with CLBP were random...
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The aim of the present study was to assess the effects of beta-alanine supplementation on muscle strength and thickness. Nineteen resistance-trained men (age: 27.3 ±5.5 years; height: 178 ±10 cm; body mass: 83.4 ±9.7 kg; training experience: 5.9 ±3.9 years) were allocated to one of the following groups: Beta-alanine (BA) (6.4 g/day of beta-alanine)...
Article
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International Journal of Exercise Science V(i): X-Y, YEAR. The present study investigated acute muscular performance and metabolic responses to resistance training (RT) with inter-set stretching (ISS). Seventeen resistance-trained men (age: 30.0 ± 5.6 years; body mass: 81.8 ± 13.4 kg; height: 173 ± 6.2 cm; RT experience: 4.6 ± 1.7 years) completed...
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International Journal of Exercise Science 14(3): 1294-1304, 2021. The purpose of this study is to measure the acute effects of exercise variability on muscle thickness and physical performance after two resistance training (RT) protocols using the same or different exercises in recreationally-trained subjects. Fifteen resistance-trained men (23.1...
Article
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International Journal of Exercise Science The primary purpose of this study is to examine the effect of two different deadlift barbell height positions on maximal isometric force and subsequent maximal squat jump performance in recreationally-trained men. Fifteen young, healthy, recreationally-trained men (age: 24.7 ± 3.5years, height: 177.1 ± 7.9...
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The purpose of this investigation was to examine the acute effects of resistance exercise (RE) and different manual therapies (static-stretching and manual massage) performed separately or combined on blood pressure (BP) responses during recovery in women with normal BP. Sixteen recreationally strength-trained women (age: 25.1 ± 2.9 years; height:...
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The aim of this study was to verify the effect of massage or pseudo massage on vertical jump performance. Fifteen participants were randomly subjected to three experimental conditions: massage, pseudo massage and rest. The massage condition required three unipodal vertical jumps followed by two minutes of manual massage on plantar flexor muscles an...
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Previous studies investigated the effects of foam rolling (FR) on measurements of strength and power. However, the acute effect of FR on muscle thickness (MT) and pressure pain threshold (PPT) after multiple sets of resistance exercise remains to be elucidated. The aim of the present study was to examine the effect of one and three minutes of quadr...
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Background: The present study investigated the mid-term effects of training muscle groups once- versus twice-daily on morphofunctional adaptations in trained men. Methods: Participants were randomly assigned to 1 of 2 experimental groups: 1 daily session per muscle group (1S, n = 11), where every muscle group was trained once a day or 2 daily se...
Book
Full-text available
Chapter 1 deals with the training principles that are based on biological and methodological concepts related to the functioning of the organism in the face of the stress imposed by physical exercise. Chapter 2 covers the exercise selection as a fundamental part of program design. In this chapter, the selection of exercises, terminology, characteri...
Article
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The aims of this study were to compare muscle activity of the anterior deltoid, medial deltoid, and posterior deltoid in the bench press, dumbbell fly, shoulder press, and lateral raise exercises. Thirteen men experienced in strength training volunteered for the study. Muscle activation was recorded during maximum isometric voluntary contraction (M...
Article
The primary purpose of this study was to measure the acute effects on muscle thickness, arm circumference, and peak force between unilateral seated row and unilateral biceps curl exercises for elbow flexors after a RT session in recreationally-trained subjects. MeThodS: fourteen resistance-trained men (25.3±2.5years, 76.5±6.4kg, 174.6±7cm) performe...
Article
Full-text available
The type of exercise is a relevant resistance training-variable that might be manipulated in order to induce significant increases in muscle strength. The aim of this study was to analyze the influence of multi-joint vs single-joint resistance exercises on maximal strength. Sixteen resistance-trained men (age: 23.1 ± 4.4 years; body mass: 86.0 ± 12...
Preprint
Full-text available
The aims of this study were to compare muscle activity of the anterior deltoid, medial deltoid, and posterior deltoid in the bench press, dumbbell fly, shoulder press, and lateral raise exercises. Thirteen men experienced in strength training volunteered for the study. Muscle activation was recorded during maximum isometric voluntary contraction (M...
Article
Background: The primary purpose of this study was to measure the acute effects on muscle thickness, arm circumference, and peak force between unilateral seated row and unilateral biceps curl exercises for elbow flexors after a RT session in recreationally-trained subjects. Methods: Fourteen resistance-trained men (25.3 ± 2.5years, 76.5± 6.4kg, 1...
Article
Full-text available
Supervised resistance training may affect several acute variables such as volume load (VL), the maximum number of repetitions (NRM), time under tension (TUT), and rate of perceived exertion (RPE) in resistance trained-men. The present study aimed to evaluate the influence of the personal trainer’s supervision on a resistance training session in res...
Article
Purpose: The aim of this study was to investigate the hemodynamic, oxidative stress (OS), and nitric oxide (NO) responses to a submaximal isometric exercise session (IES) involving large muscle mass. Methods: Fourteen hypertensive (HTG: age: 35.9 ± 8.1 years, height: 1.73 ± 0.10 m, total body mass: 78.0 ± 15.8 kg) and 10 normotensive (NTG: age:...
Article
Full-text available
Journal of Biomedical Engineering and Medical Imaging_The lunge exercise is considered a bilateral and multi-joint exercise; in this way, each lower limb presents different force distributions in different techniques and body positions. The purpose of this study was to measure the vertical force distribution between lower limbs in different lunge e...
Poster
Full-text available
MARCHETTI, P.H.; UCHIDA, M. C. The effect of pullover on pectoralis major and latissimus dorsi evaluated by EMG activity. Journal of Applied Biomechanics. 27(4): 380-384. 2011.
Poster
Full-text available
MARCHETTI, P.H.; SCHOENFELD, B.J.; DA SILVA, J.J.; GUISELINI, M.A.; DE FREITAS, F.S.; PECORARO, S.L.; GOMES, W.A.; LOPES, C.R. Muscle Activation Pattern During Isometric Ab Wheel Rollout Exercise in Different Shoulder Angle-Positions. Medical Express. v.02, n°4, p. 01-05. 2015.
Article
Context: Several studies report static-stretch-induced deficits and dynamic-stretch performance improvement after intervention. Purpose: To investigate the muscle activation of the forehand and backhand in table tennis players after experiencing static- and dynamic-stretching protocols. Methods: A total of 24 elite male table tennis players (a...
Article
Full-text available
ABSTRACT Supervised resistance training may affect several acute variables such as volume load (VL), the maximum number of repetitions (NRM), time under tension (TUT), and rate of perceived exertion (RPE) in resistance trained-men. The present study aimed to evaluate the influence of the personal trainer’s supervision on a resistance training sessi...
Article
Full-text available
The range of motion (ROM) may affect the external maximal load during back squat (BS) exercise. The correct ROM manipulation can be useful as an exercise load manipulation strategy, changing the volume load during a resistance training session. The aim of this study was to evaluate the acute effects of ROM on relative load, absolute load and the ra...
Chapter
Full-text available
Section 2: Applied Biomecanics to Strength Training.
Chapter
Full-text available
Section 2: Applied Biomecanics to Strength Training.
Article
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International Journal of Exercise Science. 12(4): 1346-1354, 2019. The purpose of this study was to investigate the effect of three months of neuromotor fitness on body composition and physical performance in untrained women. Nine untrained women (age: 38.1 ± 6.9 years; total body mass: 79.3 ± 10.7 kg; height: 161.5 ± 3.9 cm; body mass index: 30.4...
Article
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Objective: to compare the myoelectric activity of the pectoralis major (PM) and anterior deltoid (AD) during the pec deck exercise, in maximal isometric voluntary contraction (MIVC) in internal rotation (IR) and external (ER) rotation of the shoulder in different joint positions. Methods: ten healthy male (age: 30 ± 6.37 years, total body mass: 84....
Article
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The manipulation of the volume and intensity of static stretching (SS) can affect the range of motion (ROM) and muscle force output. The purpose of this study was to investigate the effect of two different SS protocols with different intensities (50% and 85% POD) and volumes (120-s and 240-s) on ROM, peak force, and muscle activity during maximal i...
Article
Full-text available
Marchetti, PH, Magalhaes, RA, Gomes, WA, da Silva, JJ, Stecyk, SD, and Whiting, WC. Different knee and ankle positions affect force and muscle activation during prone leg curl in trained subjects. J Strength Cond Res XX(X): 000-000, 2019-Different joint positions for biarticular muscles may affect force and muscular activity during single-joint exe...
Article
Full-text available
Introduction: The rate of perceived discomfort (RPD) is an alternative to control the intensity of stretching. However, the effect of stretching intensity on the range of motion (ROM) and jump performance remain under investigated. Objective: To compare the effect of passive stretching intensity of the triceps surae on ankle ROM and unilateral boun...
Article
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Introduction: Changes in the positioning of the ankle joint may influence the flexor force production of the knees. Objective: The study compared the maximal isometric strength on the prone hamstrings curl at 90° knee flexion with the ankle on dorsiflexion (DF) or plantar flexion (FP). Materials and Methods: Fifteen strength-trained men performed t...
Poster
Full-text available
Purpose: Strength and conditioning coaches have two main goals when training athletes, firstly to improve athletic abilities to reach maximum potential, and secondly to develop specific training protocols that will facilitate appropriate timing of peak performance. Athletes are monitored to provide objective information on the effect of training pr...
Article
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The purpose of this study was to investigate the chronic effects of training muscle groups 1 day per week vs. 2 days per week on neuromuscular performance and morphological adaptations in trained men with the number of sets per muscle group equated between conditions. Participants were randomly assigned in 2 experimental groups: 1 session·wk-1 per...
Article
Full-text available
Zaroni, RS, Brigatto, FA, Schoenfeld, BJ, Braz, TV, Benvenutti, JC, Germano, MD, Marchetti, PH, Aoki, MS, and Lopes, CR. High resistance-training frequency enhances muscle thickness in resistance-trained men. J Strength Cond Res 33(7S): S140-S151, 2019-The purpose of this study was to compare the effect a split training routine with muscle groups t...
Article
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RESUMO: O alongamento estático (AE) reduz o desempenho de atividades máximas de força e potência tais como saltos, arremessos e levantamentos. Entretanto, seus efeitos em repetições submáximas levadas até a falha concêntrica em exercícios isolados para o peitoral maior e deltoide anterior são pouco conhecidos. Portanto, o objetivo do presente estud...
Article
A execução de protocolos de alongamento estático reduz o desempenho de atividades máximas dependentes de força e potência tais como saltos, arremessos e levantamentos (ex. 1RM). Entretanto, seu efeito em repetições submáximas levadas até a falha concêntrica de grupos musculares sinérgicos é pouco conhecido. Portanto o objetivo do presente estudo fo...
Article
Full-text available
Resistance training (RT) is performed at distinct levels of intensity from the beginning to the end of exercise sets, increasing the sensation of effort as the exercise progress to more vigorous levels, commonly leading to changes on the facial expression of RT practitioners. The objective of this study is to evaluate changes in facial expressions...
Article
Full-text available
RESUMO Entretanto, cada método afeta diferentemente o sistema neuromuscular; portanto, cada método pode causar diferentes respostas agudas na flexibilidade. Objetivo: Comparar a flexibilidade no teste de sentar e alcançar após os métodos de alongamento ativo estático, passivo estático e ativo dinâmico com cargas equalizadas. Métodos: A amostra foi...
Article
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RESUMO Introdução: A realização de séries múltiplas de forma agrupada para o mesmo grupamento muscular pode causar uma progressiva redução na capacidade de sustentação da produção de força, por outro lado, alternar a execução de exercícios em blocos de séries pode minimizar tal efeito. Objetivo: Comparar o desempenho de força antes e após dois dife...
Poster
Full-text available
The use of elastic band of elbows increases the absolute volume in the bench press exercise. Abstract. Jundiaí. SP. Brazil. Nov/2018.
Poster
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The use of elastic band of elbows increases the performance of the 1RM in the bench press exercise. Abstract. Jundiaí. SP. Brazil. Nov/2018.
Poster
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The use of elastic band of elbows increases the maximal number of repetitions in the bench press exercise. Abstract. Jundiaí. SP. Brazil. Nov/2018.
Poster
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Maximal isometric muscle activation in different knee positions during back squat exercise. Abstract. Jundiaí. SP. Brazil. Nov/2018.
Article
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Crossover and nonlocal muscle fatigue (NLMF) has generally focused on large muscle groups. It is unclear if fatigue of a small muscle can result in NLMF of a larger muscle. The purpose of the present study was to examine the effect of small muscle (first dorsal interosseous; FDI) fatigue on the force and activation of contralateral homologous and l...
Article
Full-text available
Introdução: A banda elástica de joelhos (BEJ) é um equipamento utilizado por powerlifters, weightlifters e sujeitos treinados em força, com o objetivo de estabilizar a articulação do joelho e aumentar o desempenho da força (efeito carry over). Objetivo: Comparar os efeitos do uso da banda elástica de joelhos na atividade muscular de vasto lateral (...
Article
Full-text available
RESUMO Introdução: A banda elástica é muito utilizada por diferentes tipos de atletas e por praticantes de treina-mento de força recreacionais, no intuito de melhorar o desempenho no levantamento de cargas. Objetivo: Investigar os efeitos agudos do uso da banda elástica de cotovelos no desempenho de força, no volume absoluto e percepção subjetiva d...
Article
Full-text available
Introduction: The elastic knee wrap (EKW) is a device used by powerlifters, weightlifters and subjects undergoing strength training with the aim of stabilizing the knee joint and increasing the development of strength (carryover effect). Objective: To compare the effects of elastic knee wrap use on muscular activity of the vastus lateralis (VL) an...