About
231
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Introduction
Pablo Costa currently works at the Department of Kinesiology, California State University, Fullerton. Pablo does research in Exercise Physiology and Non-Invasive Neuromuscular Assessment.
Additional affiliations
August 2014 - present
Education
August 2007 - July 2011
Publications
Publications (231)
To examine the acute effects of dynamic stretching on leg extensor and flexor concentric peak torque, leg flexor eccentric peak torque, and the conventional and functional H:Q ratios.
Twenty-one women (mean ± SD age = 20.6 ± 2.0 yrs; body mass = 64.5 ± 9.3 kg; height = 164.7 ± 6.5 cm) performed maximal voluntary isokinetic leg extension, flexion, a...
Introduction:
The purpose of this study was to examine and compare the effects of 3 days of dynamic constant external resistance (DCER) and isokinetic (ISOK) training and subsequent detraining on the electromechanical delay (EMD).
Methods:
Thirty-one men [age 22.2 ± 4.2 years, body mass 77.9 ± 12.9 kg, height 173.9 ± 5.4 cm (mean ± SD)] were ran...
This study examined the acute effects of passive stretching on electromechanical delay (EMD), peak twitch force (PTF), rate of force development (RFD), and peak-to-peak M-wave (PPM) for the soleus muscle during evoked isometric plantar flexion muscle actions. Fourteen men (mean age ± SD = 21.2 ± 2.4 years; body mass = 80.0 ± 14.9 kg; height = 176.9...
COMBATANTS HAVE BEEN FIGHTING FOR THOUSANDS OF YEARS. STRUCTURED COMBAT SPORTS BETWEEN 2 MEN HAVE EXISTED FOR HUNDREDS OF YEARS AS A SPORT SIMILAR TO WHAT WE CURRENTLY KNOW AS MIXED MARTIAL ARTS (MMA). SEVERAL CHANGES HAVE OCCURRED IN MMA IN THE LAST 2 DECADES, ALLOWING THE SPORT TO BECOME MORE PROFESSIONAL, WITH RULES, MEDIA EXPOSURE, AGENTS, AND...
Recent evidence has shown acute static stretching may decrease hamstring-to-quadriceps (H:Q) ratios. However, the effects of static stretching on the functional H:Q ratio, which uses eccentric hamstrings muscle actions, have not been investigated. This study examined the acute effects of hamstrings and quadriceps static stretching on leg extensor a...
Context : Professional soccer players frequently experience fatigue due to the demanding nature of the sport. In this context, effective recovery strategies are essential for maintaining performance. Static stretching (SS) is commonly used in soccer, but its efficacy is debated. Vibration foam rolling (VFR) is a novel recovery technique that has no...
Purpose : To examine the effects of 2 repeated-sprint ability (RSA) training protocols using short sprints (15 m, RSA-15) and long sprints (30 m, RSA-30) on sprinting, maneuverability, intermittent endurance, and RSA in young soccer players. Method : Thirty-one male U-18 players were randomly assigned to the RSA-15 (n = 15) and RSA-30 (n = 16) grou...
There is a high demand for strength and conditioning programs for high school athletes. However, the delivery of programs for girls can be inconsistent. Accordingly, many high school athletes have turned to private strength and conditioning coaches. The purpose of this study was to examine the effects of different private strength and conditioning...
This study aimed to evaluate changes in muscle contractile properties during a training microcycle in semi-professional female football players and explore their relationship with training load variables. Nineteen players (age: 23.9 ± 3.9 years; body mass: 60.6 ± 6.9 kg; height: 164.5 ± 6.7 cm) underwent myotonometric assessments of the biceps femo...
Purpose: The aim of this study was to investigate the effects of two strength training protocols, equated in volume, on the elbow flexor muscle thickness (MT) in women. Methods: Twenty-seven women (mean±sd, age 21.89±2.85 years; stature,167.82±5.90 cm; body mass 63.01±7.20 kg; estimate of body fat mass, 19.19±2.88%) were divided in three experiment...
Background: The aim of this study was to investigate the effects of cardiac rehabilitation on health markers and performance outcomes among diabetic and nondiabetic patients with coronary artery bypass grafting (CABG) and percutaneous coronary intervention (PCI). Methods: One hundred and ninety-seven patients with PCI and CABG, who attended phase 2...
Percussive massage (PM) is an emerging recovery treatment despite the lack of research on its effects post-eccentric exercise (post-EE). This study investigated the effects of PM treatments (immediately, 24, 48, and 72 h post-EE) on the maximal isometric torque (MIT), range of motion (ROM), and an 11-point numerical rating scale (NRS) of soreness o...
(1) There is growing concern surrounding the adverse effects of prolonged sitting on health, yet its impact on post-exercise recovery remains relatively unexplored. This study aimed to better understand the potential influence of habitual prolonged sitting on recovery time and the unfavorable impact prolonged sitting may have on time to recovery, a...
The aim of this study was to investigate the effects of a tart cherry supplement on recovery from exercise-induced muscle damage. Seventeen recreationally active women (mean age ± SD = 22.2 ± 3.3 years, height = 162.0 ± 6.0 cm, body mass = 65.1 ± 11.1 kg, BMI = 24.7 ± 3.5 kg·m 2) supplemented with 1000 mg of concentrated tart cherry or a placebo fo...
Purpose The aim of this study was to investigate the effects of two strength training protocols, equated in volume, on the elbow flexor muscle thickness (MT) in women.
Methods Twenty-seven women (mean±sd, age 21.89±2.85 years; stature,167.82±5.90 cm; body mass 63.01±7.20 kg; estimate of body fat mass, 19.19±2.88%) were divided in three experimental...
The purpose of this study was to examine the effects of short sprint-distance training (SST) compared with long sprint-distance training (LST), matched for the total session training volume, on short-, medium- and long-distance sprint performance and agility in young soccer players. Eighteen U19 male players (age: 17.1 ± 0.7 years; height: 178.0 ±...
The phase angle (PhA) of bioelectrical impedance determines primary factors such as age, body mass index and sex. The researchers’ interest in applying PhA to better understand the skeletal muscle property and ability has grown, but the results are still heterogeneous. This systematic review with a meta-analysis aimed to examine the existence of re...
Abstract: The phase angle (PhA) of bioelectrical impedance is determined by primary factors such as age, body mass index and sex. The researchers’ interest in applying PhA to better understand the skeletal muscle property and ability has grown, but the results are still heterogeneous. This systematic review with a meta-analysis aimed to examine the...
Abstract: The phase angle (PhA) of bioelectrical impedance is determined by primary factors such as age, body mass index and sex. The researchers’ interest in applying PhA to better understand the skeletal muscle property and ability has grown, but the results are still heterogeneous. This systematic review with a meta-analysis aimed to examine the...
PurposeThe effects of exercise training on meteorin-like protein (METRNL), one of the newest factors involved, is one of the treatment strategies for diabetes. The present study aimed to investigate the effects of circuit resistance training on METRNL and insulin resistance in people with Type 2 Diabetes Mellitus (T2DM).Methods
Twenty eligible diab...
Individuals with lower-limb amputations may have a significant strength deficit. This deficit may be related to the stump length and can lead to changes in gait, reduced energy efficiency , walking resistance, altered joint load, and increased risk of osteoarthritis and chronic low back pain. This systematic review used the Preferred Reporting Item...
The purpose of this study was to investigate the acute effects of multi-joint resistance exercises (MJRE) with blood flow restriction on hormonal responses. Ten men participated in the study and underwent two experimental protocols in random order: four sets (30, 15, 15, and 15 reps, respectively) of MJRE (half squat and horizontal chest press) wer...
PURPOSE: The purpose of this study was to compare the effects of a vibrating foam roller, a foam roller, and vibration-only on the dominant hamstrings, with a secondary aim of examining the effects on the quadriceps and non-dominant limb.
METHODS: Fifteen resistance trained women (mean age ± SD = 22.9 ± 2.0 years, height = 162.7 ± 4.8 cm, body mass...
Background: The purpose of the present study was to assess the impacts of plantar-flexors and dorsi-flexors fatigue following isokinetic contractions on postural control in nine young healthy national level judo athletes. Methods: Participants were required to stand still on a force plate with opened and closed eyes in feet together (FT) and single...
ackground: The purpose of the present study was to assess the impacts of plantar-flexors and dorsi-flexors fatigue following isokinetic contractions on postural control in nine young healthy national level judo athletes. Methods: Participants were required to stand still on a force plate with opened and closed eyes in feet together (FT) and single...
Purpose: To examine and compare the effects of three days of dynamic constant external resistance (DCER) and isokinetic (ISOK) training and subsequent detraining on thigh muscle cross-sectional area (TMCSA) and thigh lean mass (TLM), ISOK peak torque (PT), DCER strength, isometric force, muscle activation, and percent voluntary activation (%VA). Me...
Abstract: Introduction: It is common for postmenopausal women to receive a vitamin D
supplementation prescription to assist in preventing future falls and to maintain bone health.
However, the association between vitamin D supplementation and physical fitness components has
not been studied in older women with diabetes. Objective: We examined the i...
BACKGROUND: Squats are considered one of the main exercises for the lower limbs and are used in resistance training under different contexts, including rehabilitation and sports performance. OBJECTIVE: To compare the EMG activity of different muscles in back squat and lunge exercises in trained women. METHODS: Ten healthy women experienced in resis...
Background
Apoptosis is a specific form of programmed cell death that plays an important role in tissue homeostasis and also occurs during aging. In addition, exercise training may alter apoptosis-related signaling in muscles, including the cardiac muscle. However, the effects of high-intensity interval training (HIIT) on apoptosis markers in the h...
The effects of vibrating foam rolling the hamstrings on range of motion (ROM), hamstrings-to-quadriceps (H:Q) ratios, muscle activation, and peak torque (PT) of the quadriceps and hamstrings have yet to be extensively studied. The aim of this study was to investigate the effects of a vibrating foam roller on the hamstrings. Fifteen resistance train...
The aim of this study was to assess the effects of plyometric training with an agility ladder on components of physical fitness in youth soccer players. A total of twenty male under-13 soccer players were randomly assigned to a plyometric training group with an agility ladder (n=10) or a control group (n=10). Before and after training intervention...
Purpose. To examine the concurrent validity of rating of perceived exertion (RPE) in resistance exercise with blood flow
restriction (RE + BFR).
Methods. Twelve trained men participated in an orientation session and 2 experimental sessions: RE + BFR and traditional
resistance exercise (TRE). Arm curl and leg extension exercises were standardized by...
PurposeThe aim of this study was to compare the effectiveness of acute of contract–relax (CR) and contract–relax–antagonist–contraction (CRAC) targeting the quadriceps, hamstrings, anterior tibialis, and calf muscles and warm-up without stretching on medio-lateral (ML) and antero-posterior (AP) dynamic balance control in healthy young men applied b...
This study evaluated the effects of age on physical and technical game performance for different positions in professional basketball players. In this cross-sectional study, a total of 25,523 individual match observations were undertaken on players from the 2018-19 NBA season. The players were classified into four age groups (19-22 years, 23-25 yea...
The purpose of this trial was to examine the effects of self-selected exercise intensities plus either whey protein or placebo supplementation on vital signs, body composition, bone mineral density, muscle strength, and mobility in older adults. A total of 101 participants aged 55 years and older (males [ n = 34] and females [ n = 67]) were evaluat...
The aim of this study was to examine changes in muscle contractile properties across a microcycle of training in professional soccer players during the in-season period. Nineteen professional soccer players were assessed with tensiomyography (TMG) on the biceps femoris and rectus femoris before and after 5 training sessions of an in-season microcyc...
The aim of this study was to analyse the effect of the score-line on the internal and external load in soccer small-sided games (SSGs). Thirty male semi-professional soccer players participated in an acute crossover design study. Players performed 4 series of 4 vs 4 with a game duration of 4 min. The data corresponding to players’ external load wer...
Women and men present different metabolic responses to exercise, yet whether this phenomenon results from differences in fiber type (FT) composition or other sex-specific factors remains unclear. Therefore, our aim was to examine the effects of sex and FT independently on AMP-activated protein kinase (AMPK), acetyl-CoA carboxylase (ACC), Tre-2/BUB2...
The aim of this study was to examine the effects of coordination training using an agility ladder compared with a control group on physical fitness and technical performance in youth soccer players. Eighteen male youth soccer players (age: 12.2 ± 0.4 years; body height: 158.3 ± 10.8 cm; body mass: 45.0 ± 8.0 kg) were randomly assigned to an agility...
The present study examined the acute effects of static stretching (SS) exercise order on cardiac responses. Seventeen individuals were submitted to two experimental SS session: Order “A” (larger to small muscles groups) and Order “B” (small to larger muscles groups). Heart rate (HR), systolic (SBP) and diastolic blood pressure (DBP), rate-pressure...
The aim of this study was to determine the effects of 2 different repeated-sprint ability (RSA) training frequencies (2 RSA sessions per week [RSA2D] or 1 RSA session [RSA1D]) under volume-equated conditions on sprint and RSA performance in under-15 (U15) soccer players. Twenty-seven youth male soccer players (age: 12.29±0.47 years; height: 158.35±...
Background:
Aerial fitness is quickly gaining popularity; however, little is known regarding the physiological demands of aerial athletes. The purpose of the study was to examine contralateral muscle imbalances, compare dominant versus non-dominant hamstrings-to-quadriceps (H:Q) ratios, and to establish a physiological profile of recreational aeri...
Rey, E, Costa, PB, Corredoira, FJ, and Sal de Rellán Guerra, A. Effects of age on physical match performance in professional soccer players. J Strength Cond Res XX(X): 000-000, 2019-This study aimed to evaluate the effects of age using a large-scale analysis of match physical performance in professional soccer players. A total of 10,739 individual...
The present study compared the acute effect of different combinations of resistance training (RT) and static stretching (SS) on the heart rate (HR), rate pressure product (RPP) and oxygen saturation (SpO2) of participants. This is a cross-over methodological design carried out in five visits on non-consecutive days, which always occurred at the sam...
Objectives:
To compare the effects of combinations of resistance training (RT) and static stretching (SS) on heart rate (HR), systolic pressure (SBP), diastolic pressure (DBP), rate pressure product (RPP), oxygen saturation (SpO2), rating of perceived effort (RPE), and heart rate variability (HRV) in men.
Methods:
Twelve normotensive healthy men...
Purpose:
Obesity influences gait and muscle function, which may contribute to knee osteoarthritis. This study aimed 1) to compare gait biomechanics and quadriceps function between individuals with and without obesity and 2) to examine the association between quadriceps function and gait biomechanics.
Methods:
Forty-eight individuals with and 48...
Bagley, JR, Burghardt, KJ, McManus, R, Howlett, B, Costa, PB, Coburn, JW, Arevalo, JA, Malek, MH, and Galpin, AJ. Epigenetic responses to acute resistance exercise in trained vs. sedentary men. J Strength Cond Res 34(6): 1574-1580, 2020-Acute resistance exercise (RE) alters DNA methylation, an epigenetic process that influences gene expression and...
The purpose of this study was to analyze the acute effects of different foam rolling volumes on knee extensors fatigue and passive shoulder range of motion (PROM). Twelve recreationally active women were recruited for participation in two experiments separated by three weeks and the same subjects performed all procedures in each experiment. In expe...
Human skeletal muscle fibers exist across a continuum of slow → fast-twitch. The amount of each fiber type (FT) influences muscle performance but remains largely unexplored in elite athletes, particularly from strength/power sports. To address this nescience, vastus lateralis (VL) biopsies were performed on World/Olympic (female, n = 6, “WCF”) and...
The purpose of the present study was to examine the effects of foam rolling on maximum sprint performance and range
of motion (ROM) in recreational athletes. Eleven men (mean ± SD age = 22.16 ± 3.2 years, body mass = 81.6 ± 7.97
kg, height = 175.2 ± 5.4 cm) and eleven women (21.7 ± 1.8 years, 64.5 ± 8.8 kg, 162.8 ± 4.4 cm) volunteered for this
stud...
Background: The effects of proprioceptive neuromuscular facilitation (PNF) stretching on muscle imbalance are not fully understood. The aim of this study was to examine the acute effects of PNF stretching on knee extension and flexion peak torque (PT), as well as the conventional
and functional hamstrings to quadriceps (H:Q) ratios. Methods: Fiftee...
Introduction: Balance of strength and flexibility between the dominant (DL) and non-dominant limbs (NDL) in young soccer players is essential, since it can minimize the possible injury-triggering mechanisms and their negative influence on performance. The aim of this study was to evaluate and compare the unilateral and bilateral strength and flexib...
Human skeletal muscle fibers exist across a continuum of slow → fast-twitch. The amount of each fiber type (FT) influences muscle performance but remains largely unexplored in elite athletes, particularly from strength/power sports. To address this nescience, vastus lateralis (VL) biopsies were performed on World/Olympic (female, n=6, “WCF”) and Na...
Choe, KH, Coburn, JW, Costa, PB, and Pamukoff, DN. Hip and knee kinetics during a back-squat and deadlift. J Strength Cond Res XX(X): 000-000, 2018-The back-squat and deadlift are performed to improve hip and knee extensor function. The purpose of this study was to compare lower extremity joint kinetics (peak net joint moments [NJMs] and positive j...
AIMS
The purpose of this study was to examine the acute effects between different volumes of static stretching (SS) and proprioceptive neuromuscular facilitation (PNF) stretching (30 and 60 seconds) on the maximum number of repetitions at 40 and 80% 1RM and rating of perceived exertion (RPE).
METHODS
Eleven recreationally-trained women (26.45 ± 5....
Rugby union requires players to demonstrate horizontal pushing force in activities such as a scrum, ruck, and tackle.
Sprinting is also vital for players on offense and defense. Both horizontal pushing force and sprinting require producing
maximal force with a forward body lean. Therefore, a relationship between horizontal pushing force and sprint...
Hamstring to quadriceps (H:Q) ratios are often used to assess strength imbalances. The aims of this study were to compare three different muscle action training protocols on H:Q strength balance and functional performance. Forty untrained males (age: 22.87 ± 2.28 y, mass: 70.66 ± 11.049 kg, ht: 174.29 ± 6.90 cm) performed 6 weeks of training on an...
Background:
The present study examined the acute effects of hamstrings stretching and fatigue on knee extension and flexion peak torque (PT), hamstrings to quadriceps (H:Q) ratio, and postural stability.
Methods:
Seventeen women (mean ± SD age = 21.8 ± 2.1 yrs; body mass = 63.0 ± 10.5 kg; height = 164.7 ± 6.2 cm) and eighteen men (25.8 ± 4.6 yrs...
Possible diff erences in the physical values related to characteristics of the age group and the play positions in soccer. The aims to analyze the isokinetic muscle strength profi les, anthropometric, neuromuscular and car-diovascular characteristics, comparing age, categories and play positions. 105 players divided into U-17, U-20, Professional an...
Purpose:
To examine the effects of foam rolling (FR), on range of motion, (ROM), peak torque (PT), hamstrings-to-quadriceps (H:Q) ratios, and muscle activation .
Methods:
Twenty-two recreationally active women (mean age ± SD = 21.55 ± 1.82 years, 161.91 ± 6.58 cm, 61.47 ± 10.54 kg) volunteered for this study. Participants performed pre- and post...
Introduction:
Large imbalances between limbs are common and potentially dangerous, yet few studies have simultaneously examined performance and physiological asymmetries. The current study examined the associations between lower limb dominance, drop-jumping kinematics, maximal strength, and myosin heavy chain (MHC) fiber type in the vastus lateral...
Aim
the aim was to investigate the influence of a maximal isometric muscle action of the elbow extensors on the contralateral dynamic task of the elbow flexors.
Methods
Seventeen recreationally trained men (23.3 ± 4.9 yrs, BMI: 24.8 ± 2.2 Kg/m²) underwent two randomized different testing sessions separated by one week. In the control session (CON)...
Walking is not only important to assist in performing daily tasks, but also to gain cardiovascular benefits. Further research on walking is needed to examine the physiological responses to improve health and reduce the risks of cardiovascular disease. The purpose of this study was to compare the energy expenditure (EE) during and after walking exer...
Purpose: The purpose of the present study was to examine the e ects of foam rolling on
sprint performance and range of motion in recreational athletes. Methods: Eleven men
(mean ± SD age = 22.16 ± 3.2 years, body mass = 81.6 ± 7.97 kg, height = 175.2 ± 5.4 cm) and
eleven women (21.7 ± 1.8 years, 64.5 ± 8.8 kg, 162.8 ± 4.4 cm) volunteered for this s...
Foam rolling (FR) is a common strategy used after training and competition by players. However, no previous studies have assessed the effectiveness of FR as recovery tool in sports populations. The aim of this study was to examine the effectiveness of FR (20 minutes of foam rolling exercises on quadriceps, hamstrings, adductors, gluteals, and gastr...