Felipe P Carpes

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Verified

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• Ph.D in Human Movement Sciences
• Associate Professor / Graduate Diretor - Physiological Sciences at Federal University of Pampa

Objective: To describe the cumulative fatigue based on volume and power output from 12 professional male cyclists during two consecutive editions of the Giro d'Italia. Methods: Volume and power output were recorded during the competitions and described according to time at different intensity zones based on power output (Z0 lower to Z7 higher). Co...

Kinematic assessment of ball kicking may require significant human effort (e.g., traditional vision-based tracking systems). Wearables offer a potential solution to reduce processing time. This systematic review collated measurement properties (validity, reliability, and/or accuracy) of wearable kinematic-based technology systems used to evaluate s...

It remains unclear whether exercises leading to different outcomes of delayed onset muscle soreness (DOMS) may also elicit different skin temperature responses. The aim of this study was to determine whether different intensities and volumes of a single-joint exercise influence the DOMS and skin temperature measurements differently in healthy adult...

It is unclear whether physiological responses, such as muscle oxygen saturation (SmO2), can be considered symmetrical during cycling. This knowledge has important practical implications for both training and performance assessment. The aim of this study was to determine whether oxygenation profiles in the three active muscles of both legs were symm...

Abstract The mechanisms behind the persistent Quadriceps weakness observed after an Anterior Cruciate Ligament reconstruction (ACLr) remain debatable. We described the time course of changes in Quadriceps thickness, strength, and thigh circumference over six months following an ACLr. We also studied the causal relation between Quadriceps thickness,...

Introdução: Conhecer como a sensibilidade cutânea, a pressão plantar e a estabilidade mudam em resposta ao exercício de corrida pode ajudar treinadores e fisioterapeutas e melhor planejar a recuperação pós-exercício. A aplicação prática desse conhecimento envolve não apenas esportistas em treinamento, mas também em processos de reabilitação. Objeti...

Bicycle set-up dimensions and cycling kinematic data are important components of bicycle fitting and cyclist testing protocols. However, there are no guidelines on how bicycles should be measured and how kinematic data should be collected to increase the reliability of outcomes. This article proposes a consensus regarding bicycle set-up dimensions...

Objective: The association between muscle damage and skin temperature is controversial. We hypothesize that including metrics that are more sensitive to individual responses by considering variability and regions representative of higher temperature could influence skin temperature outcomes. Here, the objective of the study was to determine whethe...

Data collection and analysis of the soccer kicking skill is one of the biggest challenges encountered in biomechanics applied to soccer. Reasons includes, as for example, the speed demands of this particular task. In general, kicking involves a rapid change from low speed (approximately in the final of support phase) to high speed (at foot-ball imp...

Skin temperature responses have been advocated to indicate exercise-induced muscle soreness and recovery status. While the evidence is contradictory, we hypothesize that the presence of muscle damage and the time window of measurement are confounding factors in the skin temperature response. The objective was to determine whether skin temperature i...

Background: Wearable technology is widely applied in performance monitoring, an integral part of sports and exercise sciences. The kick movement in soccer exemplifies a sports technique that could benefit from appropriate biomechanics assessment methodologies. However, the accuracy of wearables in quantifying soccer kick mechanics, particularly und...

Stress concentration on the Anterior Cruciate Ligament Reconstruction (ACLr) for femoral drillings is crucial to understanding failures. Therefore, we described the graft stress for transtibial (TT), the anteromedial portal (AM), and hybrid transtibial (HTT) techniques during the anterior tibial translation and medial knee rotation in a finite elem...

Internationalisation in higher education is essential, and although active learning methodologies are increasing and allow students to develop transversal skills, most still have a very local scope. In this context, the Collaborative Online International Learning (COIL) methodology is an interesting approach to benefit the students' development. It...

Objectives. Cognitive responses are an important part of sports performance which may be affected by particular athletes’ characteristics and exercise configuration. Here we investigated whether a single bout of high-intensity short-duration exercise performed by people with different chronotype characteristics differently affects cognitive respons...

Introduction Integrating technology and active learning methods into Laboratory activities would be a transformative educational experience to familiarize physical therapy (PT) students with STEM backgrounds and STEM-based new technologies. However, PT students struggle with technology and feel comfortable memorizing under expositive lectures. Thus...

This research aimed to determine whether triceps surae delayed onset muscle soreness (DOMS) affects stability while performing different postural control tasks requiring upright and landing stabilization. Twenty-four participants who self-reported as healthy were recruited. Pre and 48 h after a protocol to induce DOMS in the triceps surae, particip...

Abstract Background: Wearable technology is widely applied in performance monitoring, an integral part of sports and exercise sciences. The kick movement in soccer exemplifies a sports technique that could benefit from appropriate biomechanics assessment methodologies. However, the accuracy of wearables in quantifying soccer kick mechanics, partic...

We explored the first evidence of a single-session neuromuscular biofeedback effect on motor unit properties, neuromuscular activation, and the Achilles tendon (AT) length 12 days after undergoing AT surgical repair. We hypothesized that immediate neuromuscular biofeedback enhances motor unit properties and activation without causing AT lengthening...

We explored the first evidence of a single-session neuromuscular biofeedback effect on motor unit properties, neuromuscular activation, and the Achilles tendon (AT) length 12 days after undergoing AT surgical repair. We hypothesized that immediate neuromuscular biofeedback enhances motor unit properties and activation without causing AT lengthening...

BACKGROUND: Controversial outcomes from different methods for assessment of delayed onset muscle soreness (DOMS) in male and female may influence clinical decisions. AIM: In this study, we determine sex differences in pain perception and pain thresholds in a DOMS condition resultant of a fatigue protocol. METHOD: 11 male and 15 female healthy adult...

Background: Previous authors have utilized gait kinematics to categorize knee osteoarthritis patients into four distinct profiles: (1) flexed knee; (2) externally rotated knee; (3) stiff knee; and (4) knee varus thrust and rotational rigidity. However, the relationship between these gait profiles and patients' characteristics remains poorly unders...

Introduction Events such as the Paralympic Games leave a series of legacies in the host societies. This is also applicable to the development of associated scientific knowledge, particularly in the field of sports biomechanics. Objective The objective of this study is to investigate the Brazilian scientific production in the field of biomechanics...

The aim of the present study was to determine whether fatigue affects internal and external load variables determining power profile in cyclists. Ten cyclists performed outdoor power profile tests (lasting 1-, 5 and 20-min) on two consecutive days, subject either to a fatigued condition or not. Fatigue was induced by undertaking an effort (10-min a...

Muscle fatigue can limit performance both in sports and daily life activities. Consecutive days of exercise without a proper recovery time may elicit cumulative fatigue. Although it has been speculated that skin temperature could serve as an indirect indicator of exercise-induced adaptations, it is unclear if skin temperature measured by infrared t...

BACKGROUND: Attention Deficit Hyperactivity Disorder (ADHD) is characterized by inattention, hyperactivity, and impulsivity and includes one of the most prevalent neurodevelopmental disorders in childhood. Despite the high prevalence, many professionals who work with children and adolescents with this disorder do not have enough knowledge on the su...

Background: Aging is accompanied by loss of foot skin sensitivity and reduced postural control. Increasing foot temperature can improve both skin sensitivity and postural control in adults. However, it remains unclear whether similar effects can be observed in older adults. Research question: Can foot warming improve postural control in older ad...

The Retül Vantage system is a popular tool to assess dynamic positioning of cyclists. Despite of using a low sampling rate (18 Hz) to record position data, Retül measures shows a moderate to very high correlation with data from gold-standard tridimensional camera systems reaching higher sampling rates, but its reliability has not been tested. Here...

The instantaneous spatial representation of electrical propagation produced by muscle contraction may introduce bias in surface electromyographical (sEMG) activation maps. Here, we described the effect of instantaneous spatial representation (sEMG segmentation) on embedded fuzzy topological polyhedrons and image features extracted from sEMG activat...

Small skin temperature asymmetries are claimed to indicate injuries, but the influence of measurement conditions and technical aspects of image acquisition are concerns for determining temperature asymmetries. This research determines whether distance and camera specifications affect thermal asymmetries detection. We simulated thermal asymmetries f...

Infrared thermography (IRT) has become popular in several areas of knowledge. However, the analyses of thermal images often request manual actions, and little is known about the effect of the evaluator's experience on analysis thermal images. Here, we determine the reproducibility of IRT images analysis performed by evaluators with different levels...

Context: Comfort and pain in cyclists are often discussed as a result of the posture on the bike, and bike fit, including motion analysis, is advocated as a strategy to minimize these conditions. The relationship between cycling kinematics, comfort, and pain is still debatable. Objectives: To investigate the association of ankle, knee, and trunk...

Background: Different supports for hydration can influence total body mass and affect running biomechanics. Research question: Do different hydration supports affect the perceived exertion and comfort, stride kinematics, and impact accelerations during running? Methods: This was a crossover study design. Thirteen trail runners completed a treadmi...

Crutches can help with the locomotion of people with walking disorders or functional limitations. However, little is known about hip muscle activation during stair ascending using different crutch locomotion patterns in people without disorders and limitations. Thus, we determined the acute effects of elbow crutch locomotion on gluteus medius (GM)...

supplementary data

Background: Injury risk is regularly assessed during the preseason in susceptible populations like female soccer players. However, multiple outcomes (high-dimensional dataset) derived from multiple testing may make pattern recognition difficult. Thus, dimension reduction and clustering may be useful for improving injury surveillance when results o...

BACKGROUND: The Biomechanics Olympic Games (BOG) is a teaching method (see Carpes et al., Adv Physiol Educ. 2017;41(3):436-440) to facilitate biomechanics education. It has been conducted over the past 9 years and replicated in other universities, successfully reducing failing grades. AIM: Therefore, a recurrent question is whether the BOG reduces...

Objectives Cumulative fatigue is the unwanted belated result of consecutive days of exercise. We hypothesize that a natural antioxidant such as green tea extract from C amellia sinensis could reduce the effects of cumulative fatigue. Here we determine whether green tea extract could prevent muscle damage and preserve neuromuscular activity in a con...

Background: Persistent quadriceps weakness may occur after anterior cruciate ligament reconstruction, limiting the strength gain. However, steadiness strengthening might change the inability to gain strength. Hence, we determined whether strength training with force steadiness and visual biofeedback can improve knee quadriceps torque, self-reported...

The type of muscle action is important when designing exercise interventions for older individuals and may result in different effects. In this study we performed a systematic review of controlled trials comparing the effects of concentric and eccentric resistance training, performed on isokinetic dynamometers, on lower extremity muscular and funct...

data of Effects of different elbow crutches locomotion patterns on anterior, middle, and posterior Gluteus Medius activation during stair ascending

We examined the relationships between change of direction (COD) speed and deficit, and a series of speed- and power-related measurements in national team rugby union players and analyzed the influence of movement patterns on COD ability. Eleven male athletes completed the following physical assessments on different days: day 1—anthropometric measur...

Physical and cognitive exercises have positive long-term effects on cognitive capacities. However, acute effects still are controversial. Here we determine the acute effects of physical exercise combined with concurrent cognitive exercise on cognitive performance in young adults. Simple reaction time, selective attention, and memory were evaluated...

Despite controversial evidence, foot sensitivity may influence postural control. Since skin temperature changes may induce changes in skin sensitivity, it remains unclear whether this also affects postural control. Here we examined the effects of increasing foot temperature on foot sensitivity and postural control responses. We hypothesized that in...

Background Exercise can reduce the negative effects of aging on postural control. The slackline training could potentially be an activity to improve postural control in older adults. However, the effects of slackline on postural control in older adults are not clear. This systematic review aimed to investigate the effects of slackline on postural c...

Alzheimer's disease affects thousands of people worldwide. Alternatives aiming to prevent the disease or reduce its symptoms include different physical exercise configurations. Here we investigate the potential of concurrent exercise to prevent recognition memory deficits in an Alzheimer's disease-like model induced by the hippocampal beta-amyloid...

Introduction Understanding how external and internal loads relate during a competitive season in high performance athletes, and identifying which capacities have more influence on the perception of effort, can help to better plan training and monitor competitive performance. Material and Methods In this study we followed a professional male futsal...

Remote teaching can be both challenging and motivating. Professors and lecturers have developed innovative strategies to improve students' education and engage students in synchronous and asynchronous classes. In this Illuminations paper, we describe BodyWorks, online tools to support courses in physiology, motor control, and biomechanics. The tool...

Purpose The knee stiffness acquired following an Anterior Cruciate Ligament (ACL) injury might affect clinical knee tests, i.e., the pivot-shift maneuver. In contrast, the motor effects of spinal anesthesia could favor the identification of rotatory knee deficiencies prior to ACL reconstruction. Hence, we hypothesized that the intra-operative pivot...

Compression and temperature manipulation are discussed as strategies to improve performance markers and recovery in sports. Here, we investigate the effects of compression stockings made with fabric, either combined or not with heating and cooling substances, on variables related to running performance and recovery. Ten trained runners (mean ± stan...

Supplementary data for Injury risk markers assessed at preseason to prevent injuries in susceptible population; females soccer athletes.

Purpose: The knee stiffness acquired following an Anterior Cruciate Ligament (ACL) injury might affect clinical knee tests, i.e., the pivot-shift maneuver. In contrast, the motor effects of spinal anesthesia could favor the identification of rotatory knee deficiencies prior to ACL reconstruction. Hence, we hypothesized that the intra-operative pivo...

Background Determine whether knee kinematics features analyzed using machine-learning algorithms can identify different gait profiles in knee OA patients. Methods 3D gait kinematic data were recorded from 42 patients (Kellgren-Lawrence stages III and IV) walking barefoot at individual maximal gait speed (0.98 ± 0.34 m/s). Principal component analy...

BACKGROUND: Dissociation by music may impact the rate of perceived exertion (RPE), which is an indicator of internal loads during exercise. However, it is not clear how music affects the RPE, neuromuscular, and cognitive responses to exercise. AIM: To determine whether listening to preferred music during indoor endurance exercise influences RPE, ne...

Background Alzheimer’s disease (AD) is characterized by the accumulation of the amyloid-β peptide in the brain, leading to early oxidative stress and neurotoxicity. It has been suggested that physical exercise could be beneficial in preventing AD, but studies with multicomponent training are scanty. Objective Verify the effects of multicomponent e...

Infrared thermography (IRT) has gained popularity in sports medicine for determining whether changes in skin temperature relate to pain and muscle damage. Such a relationship would support IRT as a non-invasive method to monitor these physiological responses. However, the literature remains controversial. Here, we determine the relationship between...

The Short-Time Fourier transform (STFT) is a helpful tool to identify muscle fatigue with clinical and sports applications. However, the choice of STFT parameters may affect the estimation of myoelectrical manifestations of fatigue. Here we determine the effect of window length and overlap selections on the frequency slope and the coefficient of va...

Power output is considered one of the best tools to control external loads in cycling, but the relationship between a target power output and the physiological responses may suffer from the effects of road gradient, which is also affected by cyclist specialization. The objective of this study was to determine the effects of cyclist specialization o...

Background Quadriceps activation failure after anterior cruciate ligament reconstruction (ACLr) is related to the inhibition of alpha-motor units and results in muscle weakness. The quadriceps activation failure limits the rehabilitation outcomes, especially strength gains that are essential to the return to sport and to minimize the risk for the o...

Background Studies demonstrated that the older adults can be more susceptible to balance instability after acute visual manipulation. There are different manipulation approaches used to investigate the importance of visual inputs on balance, e.g., eyes closed and blackout glasses. However, there is evidence that eyes open versus eyes closed results...

Asymmetries compromise performance in powerlifting and Paralympic powerlifting, but its quantification can be complex. Previous studies consider average or peak values to quantify asymmetries, however this approach does not consider the pattern of movement like velocity profiles. Here we demonstrate that conducting a functional analysis of variance...

Objectives Impact forces are risk factors for injuries during jump-landing tasks. Rebound shoes could reduce impact forces and show potential applications in training and rehabilitation programs. Here, we determine the capacity of a rebound shoe in attenuating impact forces during different motor tasks involving foot landing. Design Crossover labo...

Pedaling asymmetry is claimed as a factor of influence on injury and performance. However, the evidence is still controversial. Most previous studies determined peak torque asymmetries, which in our understanding does not consider the pattern of movement like torque profiles. Here we demonstrate that asymmetries in pedaling torque at different exer...

Introducción: Desafortunadamente, posterior a una tenorrafia del tendón de Aquiles existe abandono de la práctica deportiva. Frente ello, son desconocidas las causas y si la capacidad de tolerancia a la fatiga muscular podría ser un factor en disfunción. Objetivo: Comparar la pendiente y tiempo de la fatiga isométrica de la musculatura plantiflexor...

Infrared thermography (IRT) has been gaining in popularity in clinical and scientific research due to the increasing availability of affordable infrared cameras. This study aims to determine the similarity of measurement performance between three models of IRT camera during assessment of skin temperature before and after physical exercise. Three mo...

The "Biomechanics without Borders: Teaching Biomechanics in Brazil and South Africa" involved academics from different countries combining efforts to improve remote education. In addition to the live discussions, the event resulted in the availability of online content to help academic staffs improve teaching strategies in the field of human moveme...

Background: Achilles’ tendon ruptures result in impaired plantar flexion strength and endurance. It is interesting to know the plantar flexion strength, the number of heel-rise repetitions, and the maximal calf circumference following Achilles’ tendon ruptures repair. Methods: Both the injured and non-injured legs of thirty male patients with Achil...

We used image-processing techniques to determine the moment (i.e., image frame) of the Achilles tendon (AT) rupture in an Olympic sprinter. This report may be unique due to the difficulty in conducting motion capture analyses during injury events. Our report includes one female Olympic sprinter, 29 years old (body mass: 56 kg, height: 1.68 m, and b...

Antioxidant supplementation and physical exercise have been discussed as strategies to minimize neurodegeneration in Alzheimer's disease (AD). We investigated the neuroprotective effects of strength exercise (StrEx) and green tea (GT) supplementation, combined or not, on memory impairments induced by β-amyloid characterizing an AD-like condition in...

BACKGROUND Pedalling asymmetries are a topic of interest to cycling coaches and athletes due to a potential link with performance and injury prevention. OBJECTIVES The aim of this study is to describe the bilateral asymmetry of professional cyclists during two editions of a Grand Tour. METHODS Here we set out to determine the power balance (power...

Objetivo: Determinar a variabilidade, a repetibilidade e as assimetrias da pressão plantar na marcha de crianças avaliadas em diferentes dias. Metodologia: Participaram deste estudo 12 crianças voluntárias (6 meninos) com idade média de 10,0±2,0 anos. Elas caminharam descalças em velocidade preferida ao longo de um trajeto de 9 m. A avaliação da ma...

Programming is an important skill for different areas of knowledge. While in the past programming skills were much related to fields of computer sciences and engineering, today, professionals from different areas benefit from the ability to write codes for different applications. Furthermore, programming stimulates logical thinking, which impacts o...

Objective: To analyse skin temperature asymmetries in response to asymmetrical exercise demand in archers. Approach: Skin temperature of the trunk and upper limbs was measured in 30 archers with an infrared camera in three different moments: before (Pre), immediately after (Post), and 10 min after (Post10) a simulated competition (18 warm-up sho...

La estabilidad de la pelvis y el tronco, dada por la actividad de los músculos de la región, representa un factor importante para la correcta ejecución de la técnica deportiva y la prevención de lesiones en lanzadores paralímpicos. El objetivo de este estudio fue analizar a través de electromiografía de superficie, la actividad muscular del recto a...

Objective To verify whether Timed Up & Go (TUG) performance correlates with foot clearances in different conditions of obstacle crossing. Methods Thirty older women were assigned to a group with or without risk of falls classified by TUG. Three-dimensional kinematics of walking with obstacles was recorded. Results For those without risk, TUG did...

Delayed onset muscle soreness (DOMS) indicates the presence of muscle damage and impairs force production and control. Monitorization of DOMS is useful to improving recovery intervention plans. The magnitude of DOMS may relate to muscle fatigue, which can be monitored by surface electromyography (EMG). Additionally, growing interest has been expres...

The stability of the pelvis and trunk, given by the activity of the muscles in the region, represents an important factor for the correct execution of the sports technique and the prevention of injuries in Paralympic throwers. The objective of this study was to analyze, through surface electromyography, the muscular activity of the rectus abdominis...

Clinical measurements have been pointed out to favor the sport-return, however, the mechanical nature to which they are associated has not yet been determined. This study has aimed to determine the association between the numerical visual scale of pain, calf perimeter, one-leg heel rises, dorsal range of motion, their difference between legs, elast...

To determine the effect of Length and Sliding windowing on Fuzzy Topographical Structure of maps obtained through high-density Electromyography technique.

Pedestrian injuries related to the use of cell phone have increased in relation to the total number of pedestrian accidents. The aim of this study was to compare kinematic and electromyographic variables in both lower limbs at facing an obstacle, with (WC) and without (WoC) the use of a cell phone. Ten young women were evaluated while walking and f...

Running asymmetry is considered a matter of concern for performance and injury, but the association between asymmetry and performance remain unclear. There are different strategies to address asymmetries and its relationship with performance. Here we investigated the correlation between global symmetry index and mechanical efficiency during 10 km r...

Intense exercise promotes long-term gains in cognitive functions. On the other hand, intense exercise may result in acute effects not clearly determined for cognitive performance. A condition of stochastic intensity ranging from moderate to maximal efforts is part of sports like cycling, in which cognitive integrity is also important for fast decis...

The application of surface electromyography (sEMG) in neurology is sometimes limited by a scientific background in the use of sEMG. Students frequently use sEMG only when developing their graduate studies. To reduce these barriers, we promoted a free Winter School on sEMG to Latin American students. The school was a 3-day event with theoretical cla...

Introduction Soccer players are at high risk of stress injuries in the foot. While most research addresses this issue in professional athletes, there is little information concerning young athletes. As soccer is practiced around the world since early infancy, we set out to determine whether young soccer athletes are susceptible to increased foot lo...

Objetivo: Algunas mediciones clínicas son empleadas en el re-integro deportivo. No obstante, la naturaleza mecánica no siempre es conocida. Por ello, hemos determinado la asociación entre escala visual numérica de dolor, perímetro de pierna, elevación monopodal, rango de movimiento dorsiflexor, sus diferencias entre extremidades, índice de elastici...

Objetivo: Algunas mediciones clínicas son empleadas en el re-integro deportivo. No obstante, la naturaleza mecánica no siempre es conocida. Por ello, hemos determinado la asociación entre escala visual numérica de dolor, perímetro de pierna, elevación monopodal, rango de movimiento dorsiflexor, sus diferencias entre extremidades, índice de elastici...

Antioxidant supplementation and physical exercise have been discussed as strategies to minimize neurodegeneration in Alzheimer’s disease (AD). We investigated the neuroprotective effects of strength exercise (StrEx) and green tea (GT) supplementation either combined or isolated on memory impairments induced by a β‐amyloid characterizing an AD‐like...