Renata Kielnar

ORCID: 0000-0002-1355-2010
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About
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Research Areas
  • Sports injuries and prevention
  • Sports Performance and Training
  • Knee injuries and reconstruction techniques
  • Muscle activation and electromyography studies
  • Lower Extremity Biomechanics and Pathologies
  • Musculoskeletal pain and rehabilitation
  • Shoulder Injury and Treatment
  • Pelvic floor disorders treatments
  • Pregnancy-related medical research
  • Stroke Rehabilitation and Recovery
  • Temporomandibular Joint Disorders
  • Total Knee Arthroplasty Outcomes
  • Diabetic Foot Ulcer Assessment and Management
  • Sports Dynamics and Biomechanics
  • Cardiovascular and exercise physiology
  • Balance, Gait, and Falls Prevention
  • Cardiac Health and Mental Health
  • Tendon Structure and Treatment
  • Effects of Vibration on Health
  • Health, Work, and Social Studies in Poland
  • Shoulder and Clavicle Injuries
  • Injury Epidemiology and Prevention
  • Social Issues in Poland
  • Sports and Physical Education Studies
  • Hernia repair and management

Rzeszów University
2009-2024

Background: Recovery after stroke is a major goal of rehabilitation, but it difficult to choose which treatment method most beneficial for survivors. Recently powered robotic exoskeletons are used in maximize the neural recovery patients stroke, there no studies evaluating changes balance among rehabilitated with an exoskeleton. Purpose: The aim this study was evaluate effects EKSO GT exoskeleton assisted gait training on balance, load distribution and functional status ischemic stroke....

10.3389/fneur.2019.01344 article EN cc-by Frontiers in Neurology 2020-01-15

Abstract The aim of this study was to examine the effect excessive feet arching (symmetrical and asymmetrical) on plantar pressure distribution alignment pelvis, spine shoulder girdle. Eighty-one women (20–40 years old, 61 +/− 12 kg, 165 5 cm) were divided into 3 groups based foot arch index (Group 1 - with normally arched feet, Group 2 one properly other high-arched, both high-arched). Plantar between right left for forefoot, midfoot rearfoot, respectively body posture assessed. A slight...

10.1038/s41598-019-53459-w article EN cc-by Scientific Reports 2019-11-20

Background The aim of this study is to assess if the application different methods active recovery (working same or muscle groups from those which were during fatiguing exercise) results in significant differences performance and efficiency method dependent upon specific sport activity (training loads). Design A parallel group non-blinded trial with repeated measurements. Methods Thirteen mountain canoeists twelve football players participated study. Measurements bioelectrical activity,...

10.1371/journal.pone.0164216 article EN cc-by PLoS ONE 2016-10-05

The aim of the study was to evaluate pelvic floor muscle bioelectrical activity in healthy, young, and nulliparous women, present normative values for all phases parameters measured with Glazer Protocol.In this study, 96 women (age 22-27 years; 168.6 ± 5.1 cm; 57.1 11.8 kg) were tested. muscles collected using an endovaginal electrode Protocol, which included following series contractions relaxations: pre-baseline rest, phasic contractions, tonic isometric endurance evaluation, post-baseline...

10.1097/md.0000000000019060 article EN cc-by-nc Medicine 2020-01-01

Coexistence of temporomandibular joint discomfort along with cervical spine disorders is quite common, and associated many limitations adverse symptoms for the patient. Both diagnostics treatment these ailments are difficult, in cases, effects therapy not satisfactory. This study assessed impact a 3-week neck-only rehabilitation programme without direct intervention craniofacial area on bioelectric activity both muscles among patients idiopathic neck pain who do report TMJ pain.A parallel...

10.1371/journal.pone.0250746 article EN cc-by PLoS ONE 2021-04-26

This study was aimed at evaluating knee stabilizer (quadriceps and hamstring) muscle strength the medio-lateral symmetry of hamstring fatigue in football players after ACL reconstruction with mild lower extremity injuries. The comprised 65 professional who were divided into three groups: Group 1 (n = 24; 22.7 ± 3.6 years; 175 4 cm; 77.3 7.6 kg) reconstruction, 2 21; 20.5 3.7 177 6 74.3 9.1 lower-limb injuries (grade strains) 3 20; 23.1 2.8 178 75.8 8.8 without past years. concentric...

10.3390/jcm12031144 article EN Journal of Clinical Medicine 2023-02-01

Abstract Objective: The assessment of pelvis reposition exercise efficacy in the treatment pelvic floor muscles (PFM) asymmetry. hypothesis was that PFM asymmetry may have a functional reason related to lumbopelvic complex misalignment. Design: A parallel group trial with follow-up Methods: Thirty young women were divided into 2 groups: experimental (n = 15) and control 15). In one, 15-minute carried out. Ober test, Thomas transabdominal ultrasound measurements performed both groups....

10.1097/md.0000000000013988 article EN cc-by-nc Medicine 2019-01-01

Abstract The anterior cruciate ligament (ACL) is the most frequently injured knee ligament. In previous studies, it was demonstrated that patients following ACL reconstruction may present motor deficits which be related to increased risk of injury. objective study determine whether players who have passed RTS assessment still in movement patterns or neuromuscular control after such a serious injury as rupture and reconstruction,. Sixty-five male football (age 18–25 years), recruited from...

10.1038/s41598-021-81152-4 article EN cc-by Scientific Reports 2021-01-15

The aim of the study was to determine between-trial and between-day reliability Glazer protocol our multi-activity surface electromyography (sEMG) measurement for pelvic floor muscle (PFM) evaluation. bioelectrical activity PFM collected using an endovaginal electrode in 30 young, Caucasian, nulliparous women (age 22–27, 168.6 ± 5.1 cm, 57.1 11.8 kg). original new sEMG were assessed during following phases: pre-baseline rest, phasic (flick) contractions, tonic endurance contraction,...

10.3390/ijerph18020765 article EN International Journal of Environmental Research and Public Health 2021-01-18

Objective. The aim of this study was to assess the effectiveness a 3-week rehabilitation programme focusing only on cervical region, pain intensity, range motion in spine, head posture, and temporomandibular joint (TMJ) functioning subjects with idiopathic neck who did not report TMJ pain. Design. A parallel group trial follow-up. Methods. included 60 participants divided into 2 groups: experimental: <math xmlns="http://www.w3.org/1998/Math/MathML" id="M1"> <mi>n</mi> <mo>=</mo> <mn>25</mn>...

10.1155/2021/6886373 article EN cc-by BioMed Research International 2021-10-07

Objective: To identify the difference in infraspinatus, posterior deltoid, and teres minor muscle fatigability between dominant non-dominant side elite volleyball players to examine differences three sEMG signal processing methods used assessment of shoulder imbalance due fatigue players. Methods: In 18 male (21-26 years; 186.6 ± 8.4 cm; 85.7 9.8 kg) with no previous injury bioelectrical activity right left muscles was measured during 60 seconds isometric contraction prone position external...

10.4172/2165-7025.1000388 article EN cc-by Journal of Novel Physiotherapies 2018-01-01

Background: The decision to return sport (RTS) after anterior cruciate ligament (ACL) reconstruction is difficult; thus, coaching staff require a readable, easy-to-use, and holistic indication of an athlete’s readiness play. Purpose: To present the Composite Score Readiness (CSR) as method providing single score for RTS tests ACL reconstruction. Methods: study comprised 65 male football players (age 18–25 years), divided into three groups: group—subjects rupture reconstruction, Mild Injury...

10.3390/jcm10163570 article EN Journal of Clinical Medicine 2021-08-13

Objectives: The aim of this study was to assess the relationship between countermovement jump (CMJ) and sprint performance professional football players, determine which strength speed elements assessed by CMJ translate into effective running. Methods: research sample comprised 87 male players (age 23.7 ± 4.20 years; body mass 82.33 6.56 kg; height 1.86 0.05 m) who performed on a dual-force platform, as well 30 m test. time velocity run were recorded photocells at 0, 5, 10, distance....

10.3390/jcm13154581 article EN Journal of Clinical Medicine 2024-08-05

Rupture of the anterior cruciate ligament (ACL) is a severe injury common in sports. It also has high rate re-injury. The aim this work was to assess hamstring muscle fatigue active football players after ACL reconstruction who were cleared play and determine symmetry between lateral medial muscles.

10.3390/jcm13216521 article EN Journal of Clinical Medicine 2024-10-30

(1) Background: The aim of this study is to determine the intra-rater and test–retest reliability an upper extremity sway test performed in one-handed plank position on a force plate establish if there are any between-limb differences assessment with either open or closed eyes. (2) Methods: Fifteen males participated (23.1 ± 2.3 years; 71.2 7.4 kg; 175 4 cm). (ST) was during two separate visits, one-week interval between tests eyes closed, separately for left right limbs. (3) Results:...

10.3390/app142411945 article EN cc-by Applied Sciences 2024-12-20

In recent years, many studies on the safe return to sport (RTS) have been published, but there are still no clear and validated guidelines. After ACL reconstruction between limbs, asymmetry of muscle strength affects knee mechanics during walking running, asymmetrical joint kinematics kinetics considered as a strong risk factor musculoskeletal injury. Therefore, proper diagnosis any motor deficits remaining after seems particularly important. The aim this study was analyze how tests should...

10.3390/sym15020298 article EN Symmetry 2023-01-21

This study was aimed at observing how the limitation of ankle dorsiflexion ROM affects hamstring muscle Peak Torque/BW (%), Average Power (W), and Total Work (J), whether this effect is similar in football players after ACL rupture reconstruction those without injuries. The included 47 professional who were divided into two groups: Group 1 (n = 24) 2 23) injuries past 3 years. Based on Weight-Bearing Lunge Test (WBLT), following subgroups Groups distinguished: N (normal joint dorsiflexion) R...

10.3390/jcm12196330 article EN Journal of Clinical Medicine 2023-10-01

The foot arches are responsible for proper loading, optimal force distribution, and transmission throughout the soft tissues. Since arch is an elastic structure, able to adapt forces transmitted by foot, it was reported that low related excessive pronation, while high arched more rigid inflexible. Therefore, also probable, alterations may change via myofascial chains. objective of this study evaluate effect symmetrical asymmetrical feet arching on muscle fatigue in distal body parts such as...

10.3390/sym14010052 article EN Symmetry 2022-01-01

OPINION article Front. Physiol., 13 May 2021Sec. Exercise Physiology https://doi.org/10.3389/fphys.2021.586624

10.3389/fphys.2021.586624 article EN cc-by Frontiers in Physiology 2021-05-13

Background: Velocity-based training (VBT) requires measurement of the velocity at which barbell is moved in concentric phase with regard to different resistance exercises, provides accurate, indirect estimations 1 RM. However, for assessing punch performance, no study has been carried out date. The purpose this was analyse reliability GymAware linear transducer during landmine push throw (LPT) test using four loads. Methods: Twenty-five healthy, physically active male students, aged 24.13 ±...

10.3390/app131910875 article EN cc-by Applied Sciences 2023-09-30
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