Marcelo Tavella Navega

São Paulo State University | Unesp · Department of Physical Therapy and Occupational Therapy

As mobilizações articulares, tanto da coluna vertebral quanto das demais articulações são recursos terapêuticos manuais eficazes no processo de reabilitação e prevenção de disfunções musculoesqueléticas que podem levar à diminuição da capacidade funcional. Sendo assim, o domínio da fundamentação teórica e conhecimento prático das técnicas de mobili...

Low back pain (LBP) is a musculoskeletal complaint that can be defined as pain or discomfort referred to the lower part of the spine, between the last thoracic vertebra and the first sacral vertebra, above the upper gluteal line, and which may or may not radiate to the lower limbs. Highly prevalent, it affects about 84% of the adult population at s...

A dor lombar (DL) é uma queixa musculoesquelética que pode ser definida como dor ou desconforto referido na parte inferior da coluna, entre a última vértebra torácica e a primeira vértebra sacral, acima da linha glútea superior, e que pode ou não irradiar para membros inferiores. Altamente prevalente, acomete cerca de 84% da população adulta em alg...

Patellofemoral pain (PFP) may contribute to less activation of the quadriceps muscle, favoring joint overload and pain. Neuromuscular efficiency (NME) is a variable that evaluates the relationship between the amount of neural stimuli and the ability to generate force of in a given muscle, with the most efficient being the one that produces greater...

Patellofemoral pain (PFP) may contribute to less activation of the quadriceps muscle, favoring joint overload and pain. Neuromuscular efficiency (NME) is a variable that evaluates the relationship between the amount of neural stimuli and the ability to generate force of in a given muscle, with the most efficient being the one that produces greater...

The aim of the present study was to analyze the activation pattern of the serratus anterior (SA), upper trapezius (UT), and lower trapezius (LT) muscles during periscapular exercises in individuals with and without ED, and to identify which proposed exercise presents greater activation of the periscapular muscles. Fourteen women, aged between 18 an...

Introduction Greater trochanteric pain syndrome is an overarching term used to define pain and tenderness in the greater trochanteric region of the femur, which is more common in women. Abnormal control of lower limb movements and deficient neuromuscular parameters may lead to greater trochanteric pain syndrome; however, no studies have used neurom...

The presence of severe dynamic knee valgus in asymptomatic women may be a factor related to future complaints of pain in this joint. The aim of this study is to correlate the strength levels of hip and trunk stabilizer muscles with knee valgus angles, pelvic and trunk tilt in asymptomatic young women. 22 young women with no history of lower limb pa...

Objective To compare the parameters of gait kinematics of older adults with cognitive impairment who live in community dwellings or those living or spending most of the time in non-family environment settings. Methods The sample was composed of 33 older adults of both sexes with cognitive impairment. Participants were separated into three groups:...

Objective The purpose of this study was to evaluate the effects of plantar myofascial mobilization (PMM) on the plantar area, balance, and functional mobility of elderly women. Methods In this randomized, single-blind, placebo-controlled clinical trial, elderly women with maintained independent orthostatism were recruited from the community and ra...

Introduction: The lumbar pain is the main musculoskeletal complaint reported by the active population, and it prevents daily activities such as walking. Objective: To assess muscle recruitment and the co-contraction of the trunk muscles during different walking speed in individuals with and without chronic lumbar pain. Method: Thirty-four sedenta...

Introduction: Knee osteoarthritis (OAK) is one of the most prevalent rheumatic diseases in the population, characterized by functional limitation and gait difficulties with profound clinical relevance, as walking is the most frequently performed daily activity. These functional limitations may be more pronounced when the disease is associated with...

Background: Cognitive impairments reduce adaptive responses and may increase the risk of falls. Objectives: To compare gait kinematics in older adults with cognitive impairments living in long term institutions and to identify the ability of gait kinematics to predict falls in older adults with cognitive impairments living in long term instituti...

Background: Osteoarthritis is the most prevalent rheumatic disease in the population and is characterized by limitation of main functional activities of daily living, as the gait. Muscle strength is a variable that may be related to performance in daily tasks.Therefore, we to analyze the gait pattern in individuals with knee osteoarthritis (KOA) a...

BACKGROUND AND OBJECTIVES Changes in motor control may contribute to muscle recruitment deficits. The objective of this study was to evaluate strength, endurance, and recruitment of the torso muscles. METHODS We evaluated 35 women, divided into two groups: chronic low back pain (LBPG, n=20) and control (CG, n=15). The clinical conditions, incapaci...

Introdução: A dor lombar crônica (DLC) apresenta disfunções neuromusculares, por exemplo, está diminuição da força e resistência muscular, que são essenciais na realização das tarefas e manutenção postural. Objetivo: Caracterizar o comportamento de força e resistência muscular e discriminar qual variável tem maior influência na população com DLC. M...

A osteoartrite é uma doença articular crônica, caracterizada por uma degeneração progressiva da cartilagem articular, que resulta em incapacidade funcional. Entre as articulações acometidas, o joelho é a mais afetada devido à sobrecarga mecânica imposta a essa articulação nas atividades diárias. A osteoartrite de joelho é considerada uma das formas...

Background: Gait kinematic parameters have been reported as an important clinical tool to assess the risk of falls in older adults. However, the ability of these parameters to predict falls in the older population is still unclear. Objective: To identify the ability that gait kinematic parameters present to predict fall in older adults. Methods...

Introdução: a literatura aponta controvérsias sobre a estabilização proporcionada pela ativação antecipatória dos músculos profundos do tronco e as evidências baseadas na análise bilateral do tempo de reação muscular (onset) de sujeitos com dor lombar são escassas. Objetivos: comparar o onset muscular do tronco entre sujeitos saudáveis e com dor lo...

RESUMO Este estudo teve por objetivo analisar o efeito imediato de uma sessão de exercícios do método Pilates sobre o padrão de cocontração (agonista/antagonista) dos músculos superficiais (iliocostal lombar e reto abdominal) e profundos (oblíquo interno e multífido) do tronco em indivíduos com e sem dor lombar durante teste de resistência muscular...

The aim was to compare torque and rate of torque development of lower limb muscles between older women with functional and slow gait speeds to determine which muscle group is the best predictor of functional gait speed, and to establish strength thresholds needed for functional walking speed. Torque and rate of torque development of hip, knee and a...

With aging, the respiratory muscle strength decreases and the Pilates method is a technique that uses respiration as one of its principles. The present study has the aim of analyzing the influence of the Pilates method on respiratory muscle strength in older women. For the evaluation of respiratory muscle strength (inspiratory and expiratory), mano...

INTRODUCTION: Chronic low back pain has a direct repercussion on the activities of daily living and the alteration of motor control is its main cause. This change leads to instability of the trunk stabilizer systems that control movements. Trunk flexion and extension movements associated with external disturbances may increase the potential for mot...

Introduction Accidents involving pedestrians are responsible for many cases of serious injuries and deaths. Crossing streets safely requires complex planning and cognitive demand because it is necessary to perform more than one task at a time. Objective The aim of this study was to identify electromyographic changes during gait in young subjects w...

Objective: To evaluate the rate of force development (RFD) and the rate of electromyography rise (RER) of global and local trunk muscles in women with and without low back pain. Design: Cross-sectional study. Setting: Laboratory setting. Participants: Twenty-eight women divided into low back pain (LBP, n = 14) and control groups (CG, n = 14)...

OBJECTIVES To compare the activation pattern of the trunk antagonistic muscles and also the myoelectric manifestations of muscle fatigue between subjects with and without recurrent non-specific low back pain, during the fatigue provocation of the erector spinae. METHODS The study involved 19 subjects with recurrent low back pain with a non-specifi...

Aim. To evaluate the acute effects of exercise with oscillatory pole on cardiac autonomic modulation. Material and methods. The study was performed on 18 young adult males aged between 18 and 25 years old. The subjects remained at rest for 10 minutes, after the rest period, the volunteers performed the exercises with the oscillatory pole. Immediate...

INTRODUCTION: Exercises with a flexible pole have been applied in clinical practice for upper limb rehabilitation. Nevertheless, its acute effects on cardiac autonomic regulation are unclear. OBJECTIVE: To evaluate the acute effects of exercise with flexible pole on complex behavior of heart rate variability (HRV). METHOD: We investigated 32 heal...

Objective: To evaluate the influence of the Mat Pilates method on thoracic hyperkyphosis and postural balance among elderly women. Method: A randomized longitudinal study was performed involving 31 elderly women who were divided into two groups: the Control Group (n=17) and the Pilates Group (n=14). The Pilates Group underwent training while the C...

Introdução: O método Pilates é indicado para reabilitação de pacientes com dor lombar inespecífica (DLI). Contudo, o efeito deste treinamento no padrão de recrutamento muscular é desconhecido. Objetivo: Analisar o efeito agudo do método Pilates na ativação dos músculos do tronco em indivíduos com e sem DLI. Métodos: Participaram do estudo 18 sujeit...

Backgrounds: Low strength and neuromuscular activation of the lower limbs have been associated with falls making it an important predictor of functional status in the elderly. Aim: To compare the rate of neuromuscular activation, rate of torque development, peak torque and reaction time between young and elderly fallers and non-fallers for hip f...

Background: Walking is a complex motor task that requires an integrated coordination of the trunk, lower limb, and upper limb movements. Previously, few studies have investigated the activation pattern of trunk muscles during walking. However, the mechanisms by which aging affects the recruitment of trunk muscles during walking remain unclear. Ob...

Introduction: The muscle stretching with supervision is resource widely used in medical rehabilitation in order to improving face-to-face treatment, contrib-uting to the increasing or maintenance of the flexibility. Objective: To analyze the effectiveness of physiotherapeutic supervision in performing hamstring stretches. Methods: This study includ...

Introduction: The low back pain is the most prevalent between the musculoskeletal disorders, and it is the most common reasons of absence from work. The flexibility, mobility, strength and endurance of the low back stability influence and the disharmony between these factors may result in low back pain. One of Maitland's technique, which alter thes...

Aim. The aim of this study was to evaluate the effect of flexible pole exercise on cardiac autonomic modulation. This was investigated while at rest before and, then in the recovery phase from the flexible pole exercise.Material and methods. Thirty-two female subjects were allocated to equal groups. The analysis of cardiac autonomic modulation was...

Aim. Evaluate the acute effects of a standardized exercise with flexible pole on cardiac autonomic regulation.Material and methods. We evaluated 23 women between 18 and 25 years old and heart rate variability (HRV) was analyzed in the time (SDNN, RMSSD and pNN50), frequency domain (HF, LF and LF/HF ratio) and geometric analysis (RRTri, TINN, SD1, S...

Objectives: An eight-week balance training program, with and without oscillation of vibratory pole, was shown to have a medium-term persistence effect on the performance of elderly physically-active women with osteoporosis. Methods: The 29 women who completed the study were randomly separated into two groups: an Oscillating Pole Group (OPG; 69.6...

Introduction: Exercise with flexible poles provides fast eccentric and concentric muscle contractions. Although the literature reports significant muscle chain activity during this exercise, it is not clear if a single bout of exercise induces cardiac changes. In this study we assessed the acute effects of flexible pole exercise on cardiac autonom...

Impaired muscle function at the hip has been implicated to be a major factor related to falls in older adults. Therefore, the aim of this study was to analyze the rate of torque development (RTD), reaction time (RT), and peak torque (PT) of hip abductors and hip adductors in young women (YW), older women nonfallers (ONF), and older women fallers (O...

Objective:To evaluate the influence of the Pilates method in the flexibility,level of pain and quality of life in the elderly.Method:In this study,31 elderlywomen were divided into two groups: Control Group (n=17) and Pilates Group(n=14). The Pilates Group performed training with the Pilates Method and thecontrol group received lectures. The evalua...

Introduction There are several stretching techniques that help increase flexibility, however, there are still questions regarding which method leads to the most effective gains. Objectives To assess and compare the effects of two stretching techniques, namely proprioceptive neuromuscular facilitation (PNF) and static stretching on the flexibility...

OBJETIVO: Comparar equilíbrio, mobilidade e flexibilidade em idosas não praticantes de exercício físico e praticantes de exercício físico aeróbio e resistido. MÉTODOS: Foram avaliadas 55 mulheres entre 60 e 81 anos, divididas em quatro grupos, com base no relato de prática de exercício físico nos 12 meses anteriores à avaliação: Não Praticantes de...

Background Flexible poles are tools used to provide rapid eccentric and concentric muscle contractions. It lacks in the literature studies that analyze acute cardiovascular responses in different exercises performed with this instrument. It was investigated the acute effects of exercise with flexible poles on heart period in healthy women. Methods...

OBJECTIVES: Flexible poles can provide rapid eccentric and concentric muscle contractions. Muscle vibration is associated with a "tonic vibration reflex” that is stimulated by a sequence of rapid muscle stretching, activation of the muscle spindles and stimulation of a response that is similar to the myotatic reflex. Literature studies analyzing th...

Background: Investigation and discrimination of neuromuscular variables related to the complex aetiology of low back pain could contribute to clarifying the factors associated with symptoms. Objective: Analysing the discriminative power of neuromuscular variables in low back pain. Methods: This study compared muscle endurance, proprioception a...

: The aging is characterized by a reduction in the effectiveness of skills, among them the loss of the flexibility. The hamstring muscles may be affected by the decreased flexibility occurs when elderly can present limitation of gait, low back problems and osteomuscular. Among the techniques used to evaluate the flexibility of the hamstring muscles...

BACKGROUND: Hip muscles dysfunction may challenge postural control mechanisms and compromise the individual in imbalance situations. OBJECTIVE: To compare hip muscles strength, power and activation between older female fallers and non-fallers. METHODS: Forty-four older adult women (60–85 yr) were divided into two groups based on having falling or n...

One of the problems that most concerns the elderly population is the falling, which can be caused by muscle fatigue. The objective of this study was to compare median electromyographic frequency values for the vastus lateralis muscle and the lateral portion of the gastrocnemius muscle (as parameters of electromyographic fatigue) in elderly people w...

Introduction Pain is a sensory and emotional experience that occurs with the presence of tissue injury, actual or potential. Pain is subjective, and its expression is primarily determined by the perceived intensity of the painful sensation, called the pain threshold. Objective To evaluate whether there are differences in pain threshold (LD) and ti...

Introduction: Low back pain is characterized as a musculoskeletal disorder responsible for loss of productivity and high absenteeism of the affected individuals. Objectives: To analyze the effects of short-and long-term program of health education and therapeutic exercise in relation to quality of life, flexibil - ity and pain intensity of communit...

Se procuró, por medio de este estudio, comparar el efecto de tres técnicas de alongamiento muscular (balístico, estático y contrae-relaja) en el aumento inmediato de flexibilidad de los músculos isquiocrurales. Se evaluaron 23 sujetos, de ambos géneros [media (DE) edad 21,17 (1,4)]. Todos voluntarios realizaron el alongamiento estático, el balístic...

Introduction: Some losses resulting from aging can be minimized with the practice of resistive exercises. Objective: To analyze the effects of resistive exercises on flexibility, mobility, muscle strength and balance in the elderly. Method: Twenty elderly individuals were divided between an activity group (AG, n=10; 66.1±6.35 years) and a control g...

INTRODUCTION: During mechanical ventilation (MV), the airways may accumulate secretions. Patients are submitted to Respiratory Therapy (RT) and tracheal aspiration when in MV, alone or associated, to eliminate these secretions. OBJECTIVE: The objective was to compare the effects of different protocols of bronchial hygiene in blood pressure, heart r...

INTRODUCTION: Basketball is characterized with high injury rate. In the literature it's not defined whether or not there are differences between the sexes. OBJECTIVE: Characterize and analyze the incidence of athletic injuries in basketball players, comparing the sexes. MATERIALS AND METHODS: Fifteen under-23 category athletes of each sex were inte...

BACKGROUND: Age-related loss in lower limb strength is related with impaired mobility. However, the association between decreased lower limb strength and gait biomechanical abnormalities is unclear. With respect to these statements, our study aimed to compare the maximum isokinetic voluntary strength (MIVS) of hip, knee and ankle of older women wit...

Introduction: Biomechanical analysis of gait can be used effectively to identify changes in movement patterns and functional decline. Objective: To analyze the effect of dual task on gait spatio-temporal variables. Methods: The sample was made up of 32 subjects of both genders aged between 18 and 25 years. The test Timed Up and Go was performed und...

The main goal of this study was to investigate the influence of fear of fall and dual task on electromyographic and kinematic variability parameters on the gait of older females. Seventeen college students (21,47 ± 2,06 years old) and eighteen older female adults, both groups were physically fit and performed the gait test on three different condit...

Introduction: Equine therapy is a therapy that uses horses to provide the practitioner in rehabilitation aspects of motor, sensory, behavioral and social. Objective: To investigate the effect of the combination of playful activities with hippotherapy sessions on the trunk balance and range of motion. Methods: We selected 18 practitioners diagnosed...

INTRODUCTION: Temporomandibular disorders (TMD) have association with psychological manifestations. OBJECTIVE:The aims of this study were to correlate the severity of TMD and the level of self-esteem, and to investigate sex‑related differences. MATERIAL AND METHOD: We evaluated 57 subjects of both gender, with mean age of 20.28±2.07 years, through...

Introdução: A disfunção temporomandibular (DTM) apresenta associação com manifestações psicológicas. Objetivo: Os objetivos deste estudo foram correlacionar o grau de severidade da DTM e o nível de autoestima, e investigar diferenças relacionadas ao gênero. Material e método: Foram avaliados 57 sujeitos de ambos os gêneros, com idade média de 20,28...

The purpose of this study was to analyze the effects of the "Back School" in the quality of life, functional capacity, pain intensity and flexibility for workers with nonspecific low back pain. Thirty-three administrative sector workers participated. The program was conducted in seven meetings with four groups (seven to eight subjects) once a week,...

The diagnosis of clinical parameters associated with falls in the elderly has become a major challenge for the scientific community. Despite the existence of several tools aiming to assess body balance in the elderly, it is still scarce the number of studies that have investigated and discussed the agreement between different methods. To analyze th...

We investigated the effects of chronic (eight weeks) low-to moderate-intensity swimming training on thermal pain sensitivity in streptozotocin-induced diabetic female rats. Female Wistar rats (n = 51) were divided into the following groups: trained streptozotocin-induced diabetic rats [hyperglycemic trained (HT)], sedentary streptozotocin-induced d...

A diminuição da densidade mineral óssea das vértebras, própria do processo de envelhecimento e que pode ser agravada pela osteoporose, determina uma diminuição da região anterior dos corpos vertebrais, resultando em compressão e colapso dessas vértebras, com maior estreitamento dos discos e espaços intervertebrais. Essas novas condições interferem...

Introdução: Acidente Vascular Encefálico é uma doença resultante da falta ou restrição de irrigação sanguínea ao cérebro, que pode provocar lesão celular e alterações nas funções neurológicas. As alterações neurológicas podem variar muito entre as pessoas acometidas, uma vez que estas alterações estão diretamente relacionadas com a extensão e local...

OBJETIVO: Implantar um programa de "Escola da Postura" para pacientes com lombalgia crônica. MÉTODOS: Foram avaliados 41 sujeitos (46,81 ± 13,35 anos), de ambos os gêneros, com idade entre 25-65 anos que possuíam dor lombar há mais de 6 meses. Inicialmente, foi realizado a avaliação da qualidade de vida (Medical Outcomes Study 36- Item Short-Form H...

OBJETIVO: Implantar um programa de "Escola da Postura" para pacientes com lombalgia crônica. MÉTODOS: Foram avaliados 41 sujeitos (46,81 ± 13,35 anos), de ambos os gêneros, com idade entre 25-65 anos que possuíam dor lombar há mais de 6 meses. Inicialmente, foi realizado a avaliação da qualidade de vida (Medical Outcomes Study 36- Item Short-Form H...

OBJECTIVE: to investigate the quality of life among physically active post-menopausal women with and without a diagnosis of osteoporosis. METHODS: a cross-sectional descriptive study was carried out through interview. All the participating women volunteered to take part of this study through previous contact by telephone. The characteristics and ob...

OBJETIVOS: A tendência de aumento na expectativa de vida certamente representará incrementos na morbidade e na mortalidade em eventos relacionados a osteoporose. Devido à falta de protocolos bem definidos na intensidade e freqüência de exercícios físicos, que sejam fáceis de se realizarem, para mulheres brasileiras, este estudo propôs analisar os e...