Katarzyna Kaczmarczyk

• Józef Piłsudski University of Physical Education in Warsaw

Objectives This study aimed to assess the effect of water- and land-based exercise on lung function in children with post COVID-19 condition. Methods This was a randomized controlled trial with multigroup pretest-posttest design. Children with post COVID-19 condition aged 10–12 years were randomly assigned to water-based exercise (AQUA), land-base...

Background: This study sought to assess how body mass (BM) and body composition in post-COVID-19 elderly adults were affected by 8 weeks of resistance training. An additional goal was to determine the agreement between Bioelectrical Impedance Analysis (BIA) and Dual Energy X-Ray Absorptiometry (DXA) in elderly people. Methods: Participants were ran...

Akademia Wychowania Fizycznego Józefa Piłsudskiego w Warszawie to uczelnia, której działalność jest silnie skoncentrowana na zdrowiu – zarówno edukuje przyszłych specjalistów, jak i prowadzi badania naukowe oraz działalność społeczną. AWF ma swój wkład w rozwój wiedzy i praktyk związanych ze zdrowiem, które mają realny wpływ na życie jednostek i ca...

The Józef Piłsudski University of Physical Education in Warsaw is dedicated to health-focused education, research, and community engagement. With a mission firmly rooted in promoting well-being, the university prepares future professionals, advances scientific knowledge, and promotes practices that have a meaningful impact on individuals and commun...

Background: The scientific literature on COVID-19 and its long-term impacts on all-body systems and their treatments is still limited. The aim of the study was to create a safe protocol-based intervention to improve functional and equilibrium abilities in older adults impacted by COVID-19. Methods: This study used a sample of 46 people (interventio...

Program ćwiczeń w wodzie i na lądzie dla dzieci z zespołem postcovidowym.

Background: Scientific literature on COVID-19 is still limited about long-term impacts on the all-body systems and they treatments. The aim of the study was to create a safe protocol-based in-tervention to improve functional and equilibrium abilities in older adults impacted by COVID-19. Methods: The study completed 46 people (intervention group: n...

Background: Evidence suggests that COVID-19 infection can cause lasting health consequences. Multidisciplinary rehabilitation services have been recommended to reduce the sequalae. However, the effectiveness of physical exercise interventions remains insufficiently documented. The aim of this study was to develop and implement a specific and well-t...

Evidence suggests that COVID-19 infection can cause lasting health consequences. Multidiscipli-nary rehabilitation services have been recommended to reduce the sequalae. However, the effec-tiveness of physical exercise interventions remains insufficiently documented. The aim of this study was to develop and implement a specific and well tolerated p...

Hallux Valgus foot deformity affects gait performance. Common treatment options include distal oblique metatarsal osteotomy and chevron osteotomy. Nonetheless, the current process of selecting the appropriate osteotomy method poses potential biases and risks, due to its reliance on subjective human judgment and interpretation. The inherent variabil...

Purpose: Horse riding has been garnering increasing interest in recent years, but it is also recognized as one of the most injury-prone sports. The aim of this study was to identify the specific causes of overload knee joint pain in individuals practicing horse riding. Methods: The study group consisted of 18 female horse riders (aged 23.72±3.34 ye...

Evidence suggests that COVID-19 can cause lasting health consequences called post-COVID-19 condition. We conducted a three-group, randomized controlled trial for children aged 10–12 years with post COVID-19 condition. Participants were randomized to AQUA, LAND, or CONTROL groups. The AQUA and LAND training sessions were conducted twice a week for e...

Evidence indicates that 1–66% of children continue to experience different symptoms after recovering from COVID-19. We conducted three-group, randomized controlled trial with children aged 10-12 years with post COVID-19 condition. Participants were randomized to AQUA, LAND or CONTROL groups. The AQUA and LAND training sessions were conducted twice...

Study aim : The purpose of this study was to determine the impact of the type of combat sport and the degree of athletic proficiency on the specificity of musculoskeletal injuries suffered by Muay Thai and Mixed Martial Arts practitioners. Material and methods : The study involved 64 practitioners of two combat sports, MT (age 26.9 ± 8.1, experienc...

Gait analysis may serve various purposes related to health care, such as the estimation of elderly people’s risk of falling. This paper is devoted to gait analysis based on data from depth sensors which are suitable for use both at healthcare facilities and in monitoring systems dedicated to household environments. This paper is focused on the comp...

Purpose The aim of this study is to compare the effects of Core Foot System (CFS) muscle training vs. traditional rehabilitation methods in female patients after a hallux valgus (HV) correction surgery. Methods The project will involve 60 women who have undergone a Scarf osteotomy to correct the deformity; participants will be divided into a contro...

The most common symptoms of post-COVID-19 condition in children are fatigue, shortness of breath, exercise intolerance, and weakness. The post-COVID-19 condition in children can be very debilitating and lead to prolonged school absences, high morbidity, and limitations in daily functioning. The aim of this research project is to determine the effec...

Purpose: The purpose of this study was to determine whether three different measurement position yield divergent results in ROM using a goniometer, and how is it affected by anthropometrical factors. Methods: We measured the range of rotation in the hip joint in healthy participants aged 21.6 ± 1.88, seeking to determine how the distribution of int...

Purpose This study examined the use of nonlinear measures – sample entropy (SampEn), fractal dimension (FD), and the Lyapunov exponent (LyE) – to evaluate postural control in adults during standing on an unstable surface, with and without visual feedback. Methods 14 healthy young adults (24.07 ± 7.32 years) completed bipedal standing trials on an u...

Purpose: The aim of our study was to assess the influence of asymptomatic flatfoot on the kinetic parameters of the lower limb during gait. Methods: Individuals of both sexes were studied: 15 women [age 25 ± 5 years] and 19 men [age 25 ± 4 years] with bilateral asymptomatic flatfoot, as well as 16 women [age 26±4 years] and 14 men [age 24 ± 3 years...

Purpose: The aim of this study was to compare muscle strength at 90° hip and knee flexion as measured in three different positions and to investigate whether an internal or external deficit in the range of rotation in the hip joint affects flexor muscle strength. Methods: We measured the peak muscle torque of rotation in the hip joint, using iso...

Study aim : to examine the differences in landing kinetics factors (LKF) to assess the whole body stability and preparatory muscle activation (PMA) in female handball players with and without dynamic knee valgus. Material and methods : Twenty-four professional female handball players (11 with (DKV) and 13 without (Control) dynamic knee valgus) were...

Background: Hallux valgus (HV) is a gait-altering orthopedic deformity, somewhat more prevalent in women, which often affects both limbs. Although surgery is a commonly applied treatment, there is no consensus in the literature on how invasive HV correction affects spatiotemporal gait parameters, or how quickly improvement can be expected. We inve...

Aim: To determine pulmonary parameters in adolescents with scoliosis after three weeks of intensive physiotherapeutic scoliosis-specific exercises based on the Aquatic Breathing Program (ABP) compared to corrective swimming (CS). Methods: A pretest-posttest control group design was used. The ABP group comprised 13 adolescents (age 14.2 ± 1.4) and t...

Methods: Fifty-five females were examined (May 2018-June 2019). Stabilographic examinations were performed with eyes open (EO) and closed (EC). An analysis of variance (ANOVA) and Spearman rank correlation were performed to determine the relationships and differences between the above tests. Results: The results of the TUG correlate with the ove...

Background: Cochlear implantation (CI) procedure carries the potential risk for vestibular system insult or stimulation with resultant dysfunction due to its proximity to the cochlea. The vestibular system plays an essential role in crucial tasks such as postural control, gaze stabilization and spatial orientation. Research question: How does st...

Background: It is known that cochlear implantation may alter the inner ear and induce vestibular disorders. Research question: How does cochlear implantation influence gait stability? Material and Methods. An experimental group of twenty-one subjects scheduled for cochlear implantation underwent gait testing twice, on the day before cochlear imp...

Background: Falls constitute an important health issue. They cause significant morbidity, mortality and have marked psychological effects on the individual, too. The aim of this study has been to determine parameters describing human movement strategies for balance and the reaction if balance is lost as a result of an unstable ground, and to attem...

Objectives To evaluate the long-term consequences of preterm birth on anthropometric parameters in women in adolescence and into adulthood. Methods Seventy girls born preterm (age 12.22 ± 1.52 years) and 48 born at term participated in the first stage. Eighteen years later, 13 of the same women participated in a follow-up and were compared with a...

Purpose: Identification of factors that affect postural stability may help to improve diagnostic accuracy and enhance the quality of treatment and rehabilitation. This study sought to assess the relationship between postural stability parameters and anthropometric factors of persons with hearing impairment (HI). Methods: The study included 128 i...

Background: To evaluate the long-term impact of preterm birth on respiratory function in female patients born preterm, we undertook spirometric examinations twice, as they reached the age of puberty, then follow-up examinations of part of the same cohort in adulthood. We sought evidence that preterm birth is correlated with poorer spirometric resu...

Muscle forces acting over the ankle joint play an important role in the forward progression of the body during gait. Yet despite the importance of ankle muscle forces, direct in-vivo measurements are neither possible nor practical. This makes musculoskeletal simulation useful as an indirect technique to quantify the muscle forces at work during loc...

Background: The aims of this study have been twofold: to attempt to reduce the number of spatiotemporal parameters used for describing gait through the factor analysis and component analysis; and to explore the critical age of decline for other gait parameters for healthy women. Material and methods: A total of 106 women (aged ≥ 40 years old (N...

Background. The complexity of the structure and function of a living body can be affected by disorders and can cause various dysfunctions. Objective. The aim of this study was to determine compensatory mechanisms in subjects with drop foot during gait. Methods. The study evaluated 10 subjects with drop foot (DF) whose results were compared to a gro...

Background: Drop foot is a complex syndrome, with multiple interactions between joints and muscles. Abnormalities in movement patterns can be measured using motion capture techniques, but identifying compensation mechanisms remains challenging. Methods: In order to identify compensatory mechanisms in patients with drop foot, this study evaluated...

Purpose: The purpose of this study was to derive reference values for a four-level scale intended to evaluate variation in free gait asymmetry measurements in healthy subjects. Methods: This evaluation is based on kinetic values for the left and right lower limbs during gait, registered with advanced measurement systems and assessed using the sy...

In order to avoid hypoglycaemia, individuals diagnosed with type 1 diabetes usually limit their physical activity, which might lead to changes in somatic build and in the level of muscle strength. The aim of the study was to define somatic build, hand grip strength and physical activity in patients diagnosed with type 1 diabetes. The study included...

Introduction: Despite of sustainable living and increasing the knowledge of the future mothers, the number of preterm births have been at the same level through last years. In Poland it is stands at around 7%, comparable with other countries from European Union. The aim was to investigate the influence of prematurity on input power and regulation p...

Study aim: Step aerobics is a form of aerobic power distinguished from other types of aerobic exercise by its use of an elevated platform. The purpose of this study was to examine how the aerobic exercise “knee up” affects kinematic and kinetic parameters and, above all, the length of the muscle contractions. Material and methods: The study analyse...

The aim of the study was to assess the impact of a vestibular-stimulating exercise regime on postural stability in individuals with visual impairment.The study group consisted of 70 people, including 28 persons (15 female and 13 male) with visual impairment and 42 (21 female and 21 male) without visual impairment. Each individual in the group with...

We investigated the impact of two consecutive training sessions on spirometric and anthropometric parameters in 23 older healthy women. Spirometric and anthropometric measurements were taken before the program, after a short high-intensity training program, and again after 12-week regular mild-intensity exercises. We found significant differences b...

The aim of this study was to assess whether functional exercise improved postural stability and body composition in female subjects over 60 years of age. METHODS: Thirty women participated in this study, after being medically qualified for a 3-month functional exercise program. They underwent a series of tests twice, once before starting this funct...

Background/Objective: The aim of this study was to assess whether a program of exercise specifically designed to target the vestibular organ improved the postural stability of female participants over 60 years old. Methods: Twenty-eight healthy female volunteers aged from 60 years to 76 years were assigned to a group (n = 15) engaging in vestibular...

The aim of the study was to investigate bioelectrical activation of 8 muscles of a dominant lower limb. The examination consisted of 3 postural stability tests on the Balance System SD (Biodex) platform. Fourteen healthy subjects participated in the study (mean age, body mass and height were 24,7±7,32; 68,57±10,68; 174,36±8,48, respectively).During...

Streszczenie Wstęp: Zaburzenia równowagi ciała są jednym z wielu czynników negatywnie wpływającym na codzienną aktywność, co skutkuje pogorszeniem jakości życia człowieka. Celem pracy była cena różnic wyników stabilometrycznych w dynamice i statyce u kobiet młodszych, starszych i z dysfunkcją narządu wzroku. Materiał i metody: Materiał badany obejm...

Introduction: Physical fitness has a direct impact on daily motor function. The level of fitness generally increases with age to reach a maximal level for a given individual at around 20-30 years of age, after which it begins to gradually decrease - with the pace of the decrease depending on the type of physical activity engaged in. At every age, p...

Brain CT scans and neurological condition were evaluated in 74 stroke patients. Firstly, we found that using a classification-tree technique based on CT scan parameters (an innovative method, analyzing four parameters simultaneously) coincided with our previously proposed kinematic artificial neural network (ANN) classification technique for 71.3%...

Introduction: The aging process, characterized by physiological changes which compromise various organs and systems, is not the only factor leading to a decline in physical efficiency - biologically unjustified reductions in physical activities are also observed in the elderly. Various psychological, sociological and other factors may determine eld...

Streszczenie Wstąp. Inwolucyjne zmiany organizmu w procesie starzenia są wieloczynnikowe. a niektóre z nich mają wpływ na pogorszenie jakości lokomocji. Wyróżnia się wśród nich między innymi: spadek sił}' mięśniowej czy zmniejszenie zakresu ruchomości w stawach. Objawy tych zaburzeń manifestują się zmianą niektórych parametrów czasowo-przestrzennyc...

Introduction. The involutive changes of humans gait are multifactoral and they have negative influence on its quality. Among other symptoms, decrease in muscle strength and range of motion are the most frequently mentioned. These factors have an impact on some spatiotemporal gait parameters, such as decrease in gait velocity and step length and inc...

Introduction: The aging process, characterized by physiological changes which compromise various organs and systems, is not the only factor leading to a decline in physical efficiency - biologically unjustified reductions in physical activities are also observed in the elderly. Vari-ous psychological, sociological and other factors may determine el...

Background. Postural imbalance substantially distorts daily living activities of older people and in.uences negatively on their psychomotor abilities. The aim of the study was to assess the effects of a training stimulating a vestibular organ on postural stability in elderly. Subjects and methods. Twenty six students of the University of the Third...

The aim of this study was to test three methods for classifying the gait patterns of post-stroke patients into homogenous groups. First, qualitative test results were found to correctly classify patients' gait patterns with an average success rate of 85%. Seeking further improvement, two quantitative methods were then tested. Analysis of min/max an...