scholarly journals Comparing the hand grip power and creatine kinase levels of U-17 judo national team athletes before and after a 6-week strength training

2020 ◽  
Vol 24 (4) ◽  
pp. 163-168 ◽  
Author(s):  
Mehmet Soyal ◽  
Nuri M. Çelik
Keyword(s):  
Creatine Kinase ◽  
Strength Training ◽  
Female Athletes ◽  
Female Participant ◽  
Male And Female ◽  
National Team ◽  
Hand Grip ◽  
Before And After ◽  
The Mean ◽  
Grip Power

Background and Study Aim. The aim of this study is to compare the hand grip power and creatine kinase levels of male and female U-17 National Team Athletes before and after a 6-week strength training. Material and Methods. 15 female and 15 male U-17 athletes, who previously participated in international competitions, participated in our study. Besides the hand grip power and creatine kinase values, age, height, weight, and BMI (body mass index) values of the athletes were measured before and after the training. As the conclusion of the measurements, the mean age of the female participant athletes was determined as 14,93 years, their mean height was 158,3 cm, and the mean age of the male athletes was 15,73 years, while their mean height was 173,1 cm. Results: As the conclusion of the measurements, it was determined that there were statistically significant differences between the right hand grip power and left hand grip power parameters of male and female participant athletes measured before and after the 6-week training. Moreover, it was determined that there were statistically significant differences between the pre-test and post-test measurements of creatine kinase values of both male and female athletes (p> 0,05). Conclusions. As the conclusion, it was determined that the 6-week strength trainings applied to U-17 Judo National Team athletes caused significant changes in their hand grip power and creatine kinase values. The significant results obtained from our study are considered to be originated from the duration, scope, frequency, severity, and content of the training. 

Quantifying Explosive Actions in International Women’s Soccer

2017 ◽  
Vol 12 (3) ◽  
pp. 310-315 ◽  
Author(s):  
César Meylan ◽  
Joshua Trewin ◽  
Kelly McKean
Keyword(s):  
High Speed ◽  
Movement Analysis ◽  
Match Analysis ◽  
Change Of Direction ◽  
National Team ◽  
Global Positioning ◽  
Before And After ◽  
The Mean ◽  
The Right ◽  
Women's Soccer

The aims of the current study were to examine the external validity of inertial-based parameters (inertial movement analysis [IMA]) to detect multiplanar explosive actions during maximal sprinting and change of direction (COD) and to further determine its reliability, set appropriate magnitude bands for match analysis, and assess its variability during international women’s soccer matches. Twenty U20 female soccer players, wearing global positioning system (GPS) units with a built-in accelerometer, completed 3 trials of a 40-m sprint and a 20-m sprint with a change of direction to the right or left at 10 m. Furthermore, 13 women’s national-team players (157 files; 4–27 matches/player) were analyzed to ascertain match-to-match variability. Video synchronization indicated that the IMA signal was instantaneous with explosive movement (acceleration, deceleration, COD). Peak GPS velocity during the 40-m sprint showed similar reliability (coefficient of variation [CV] = 2.1%) to timing gates but increased before and after COD (CV = 4.5–13%). IMA variability was greater at the start of sprints (CV = 16–21%) than before and after COD (CV = 13–16%). IMA threshold for match analysis was set at 2.5 m · s–1 · s–1 by subtracting 1 SD from the mean IMA during sprint trials. IMA match variability (CV = 14%) differed from high-speed GPS metrics (35–60%). Practitioners are advised that timing lights should remain the gold standard for monitoring sprint and acceleration capabilities of athletes. However, IMA could be a reliable method to monitor explosive actions between matches and assess changes due to various factors such as congested schedule, tactics, heat, or altitude.

scholarly journals Asymmetry and changes in the neuromuscular profile of short-track athletes as a result of strength training

PLoS ONE ◽  
2021 ◽  
Vol 16 (12) ◽  
pp. e0261265
Author(s):  
Paweł Pakosz ◽  
Anna Lukanova-Jakubowska ◽  
Edyta Łuszczki ◽  
Mariusz Gnoiński ◽  
Oscar García-García
Keyword(s):  
Strength Training ◽  
Lower Limb ◽  
Female Athletes ◽  
Lower Limbs ◽  
Lower Limb Muscles ◽  
Limb Muscles ◽  
Before And After ◽  
Monthly Period ◽  
Track Athletes ◽  
The Right

Background The purpose of this study was to identify the biomedical signals of short-track athletes by evaluating the effects of monthly strength training on changes in their neuromuscular profile, strength, and power parameters of the lower limb muscles. Muscle asymmetry, which can cause a risk of injury, was also evaluated. Methods and results This study involved female athletes, age 18.8 ± 2.7 years, with a height of 162 ± 2.4 cm, and weight of 55.9 ± 3.9 kg. Before and after the monthly preparatory period prior to the season, strength measurements were assessed through the Swift SpeedMat platform, and reactivity of the lower limb muscles was assessed with tensiomyography (TMG). The athletes were also tested before and after the recovery training period. In the test after strength training, all average countermovement jump (CMJ) results improved. Flight time showed an increase with a moderate to large effect, using both legs (5.21%). Among the TMG parameters, time contraction (Tc) changed globally with a decrease (-5.20%). Changes in the results of the test after recovery training were most often not significant. Conclusion A monthly period of strength training changes the neuromuscular profile of short-track female athletes, with no significant differences between the right and left lower limbs.

scholarly journals Outcome of trapeziectomy with ligament reconstruction tendon interposition for the treatment of advanced thumb carpometacarpal arthritis: a prospective study

2021 ◽  
Vol 7 (2) ◽  
pp. 252
Author(s):  
Eknoor Kaur ◽  
Narender Saini ◽  
Shashank Sharma ◽  
Devi Sahai Meena
Keyword(s):  
Ligament Reconstruction ◽  
Dash Score ◽  
Before And After ◽  
The Mean ◽  
Thumb Carpometacarpal ◽  
A Prospective Study ◽  
Tendon Interposition ◽  
Grip Power ◽  
Joint Arthritis ◽  
Score Range

<p><strong>Background</strong>: The purpose of this study is to assess the functional outcome of the cases with advanced thumb carpometacarpal (CMC) arthritis treated with trapeziectomy and ligament reconstruction tendon interposition (LRTI) in terms of visual analogue scale (VAS), disabilities of the arm, shoulder and hand (DASH) score, Kapandji score, range of motion (ROM) of radial and volar abduction of the thumb, grip power, key pinch and the height of the trapezial space.</p><p><strong>Methods</strong>: In a prospective before and after interventional study of 30 patients with the advanced thumb CMC joint arthritis underwent the procedure. An average follows up period was 17.9 months.</p><p><strong>Results:</strong> The mean VAS decreased from 8.17 to 2.70. The mean Kapandji score and DASH score improved from 3.47 and 71.62 preoperative to 8.23 and 14.46 postoperative.  Mean ROM for radial and volar abduction increased from 42.57° and 48° to 61°and 64.73° respectively. Mean key pinch power and grip power increased from 2.80 kg and 3.47 kg to 4.70 kg and 9.01 kg respectively.  There was a significant decrease in height of the trapezial space. Three patient complaint of the persistent pain at the surgical site and not much improvement in the DASH score.</p><p><strong>Conclusions:</strong>  Trapeziectomy with LRTI using flexor carpi radialis (FCR) transfer is an effective treatment for the advanced thumb CMC arthritis. This procedure stabilizes thumb metacarpal and provide enough support which prevents the collapse of metacarpal into dead space.</p>

scholarly journals Anthropometric Typology of Male and Female Rowers Using K-Means Clustering

2011 ◽  
Vol 28 (1) ◽  
pp. 155-164 ◽  
Author(s):  
Justyna Forjasz
Keyword(s):  
Body Mass ◽  
Female Athletes ◽  
Morphological Features ◽  
Fat Free Mass ◽  
Male And Female ◽  
Mean Values ◽  
National Team ◽  
Morphological Differences ◽  
Body Circumferences

Anthropometric Typology of Male and Female Rowers Using K-Means ClusteringThe aim of this paper is to present the morphological features of rowers. The objective is to establish the type of body build best suited to the present requirements of this sports discipline through the determination of the most important morphological features in rowing with regard to the type of racing boat. The subjects of this study included competitors who practise rowing and were members of the Junior National Team. The considered variables included a group of 32 anthropometric measurements of body composition determined using the BIA method among male and female athletes, while also including rowing boat categories. In order to determine the analysed structures of male and female rowers, an observation analysis was taken into consideration and performed by the k-means clustering method. In the group of male and female rowers using long paddles, higher mean values for the analysed features were observed, with the exception of fat-free mass, and water content in both genders, and trunk length and horizontal reach in women who achieved higher means in the short-paddle group. On the men's team, both groups differed significantly in body mass, longitudinal features, horizontal reach, hand width and body circumferences, while on the women's, they differed in body mass, width and length of the chest, body circumferences and fat content. The method of grouping used in this paper confirmed morphological differences in the competitors with regard to the type of racing boat.

scholarly journals The effect of different training programs on throwing accuracy of elite female handball players

2017 ◽  
Vol 14 (4) ◽  
pp. 3432
Author(s):  
Nebahat Eler ◽  
Serdar Eler
Keyword(s):  
Strength Training ◽  
Training Program ◽  
Training Programs ◽  
Acute Effect ◽  
Maximal Strength ◽  
Mean Values ◽  
Significant Difference ◽  
Throwing Accuracy ◽  
Before And After ◽  
The Mean

The aim of this study is to examine the acute effect of different training programs applied to elite female handball players on throwing accuracy. 14 elite female players were participated in the study. The mean age of the participating players was 28.64 ± 9.88 (years), the mean height length was 176.50 ± 4.86 (cm), the mean body weight was 68.07 ± 2.12 (kg) and the mean sport age was 14.36 ± 4.89 (years). On different days, a technical training program, maximal strength training program, strength endurance training program and speed power training program have been implemented to the participating players in the research.  Before and after training, the players throwing the ball from their area to the specific points of goal and the percentage of accuracy was determined. As a result; there was a significant difference between before and after maximal strength training  the mean values of throwing accuracy (p<0,05) but there was no significant difference before and after other training programs (p> 0,05). This result indicates that acute maximal strength training has a negative effect on throwing accuracy.

scholarly journals Cycloplegic Effects on the Cylindrical Components of the Refraction

2021 ◽  
Vol 2021 ◽  
pp. 1-6
Author(s):  
Athar Zareei ◽  
Milad Abdolahian ◽  
Shahram Bamdad
Keyword(s):  
Precise Determination ◽  
Lower Amount ◽  
Healthy Individuals ◽  
Male And Female ◽  
Near Vision ◽  
Before And After ◽  
The Mean ◽  
The Right ◽  
Age Range

It is important to predict which astigmatic patients require separate refraction for near vision. This study compared cylindrical components changes by cyclopentolate 1% for the low and high amount of astigmatism. The right eyes of 1014 healthy individuals (307 males and 707 females) with cylindrical refractive power more than −0.5 diopter on autorefractometer were selected. Both male and female patients in the age range of 17–45 years were refracted before and after cycloplegia, using 1% cyclopentolate. All volunteers were classified into 2 subgroups including the lower astigmatism group (−2.25 to −0.50) and the higher astigmatic group (−2.50 to over). Alpines’ method was used to compare the effect of cycloplegic drop on cylindrical power. The mean age in the lower astigmatism group (29.58; 95% CI: 29.18 to 29.99 years) was not significantly different from the higher astigmatic group (29.85; 95% CI: 29.07 to 30.62) and there were no significant differences in gender between these two groups ( P = 0.54 ). Differences between wet and dry refraction in J0 (−0.03; 95% CI:−0.06 to −0.008) and J45 (−0.03; 95% CI:−0.06 to −0.01) were significant only in the higher astigmatic group. Axis changes by the cycloplegic drop in the lower astigmatism group were 3.51 (CI: 3.22 to 3.81) and axis changes by the cycloplegic drop in the higher astigmatism group were 2.21 (CI: 1.73 to 2.49). In patients with a lower amount of astigmatism (−2.25 to −0.50), additional near subjective refraction could be done for precise determination of axis and in patients with a higher amount of astigmatism (−2.50 to over), near subjective refraction might be done for precise determination of power.

scholarly journals CREATINE KINASE-MB;

2017 ◽  
Vol 24 (03) ◽  
pp. 422-425
Author(s):  
Attia Anwar ◽  
Rizwan Faisal ◽  
Asifa Sharif
Keyword(s):  
Creatine Kinase ◽  
Myocardial Infarct ◽  
P Value ◽  
Treatment Results ◽  
Acute Myocardial Infarct ◽  
Creatine Kinase Mb ◽  
Before And After ◽  
Male Patients ◽  
The Mean ◽  
Study Setting

Objective: To compare the levels of creatine kinase-MB in male and femalepatients of acute myocardial infarction before and after the treatment. Study design:Comparative study. Setting: Faisalabad Institute of Cardiology, Faisalabad, Pakistan. Period:08 months, March 2014 to September 2014. Material & Methods: Total 60 patients of acutemyocardial infarction were enrolled in the study; 30 males and 30 females. The creatine kinase-MB levels of all the patients were checked and compared before starting the treatment for acutemyocardial infarction and then after 24 &48 hours of treatment. Results: The results of the studyshown that the mean of CK-MB levels before treatment was high in male as compared to femalepatients with p-value < 0.01. Similarly the comparison of mean CK-MB levels after 24 and 48hours of treatment were also found to be significantly higher in male patients with p-value <0.01each. Conclusion: The levels of CK-MB in male acute myocardial infarct patients were highboth before and after the treatment.

Assessment of Fatigue and Recovery in Male and Female Athletes After 6 Days of Intensified Strength Training

2016 ◽  
Vol 30 (12) ◽  
pp. 3412-3427 ◽  
Author(s):  
Christian Raeder ◽  
Thimo Wiewelhove ◽  
Rauno Álvaro De Paula Simola ◽  
Michael Kellmann ◽  
Tim Meyer ◽  
...  
Keyword(s):  
Strength Training ◽  
Female Athletes ◽  
Male And Female

Informational Feedback and Self-Esteem among Male and Female Athletes

1992 ◽  
Vol 70 (3) ◽  
pp. 955-960 ◽  
Author(s):  
A. Fouad Kamal ◽  
Christine Blais ◽  
Michael McCarrey ◽  
Donna Laramee ◽  
Ken Ekstrand
Keyword(s):  
Positive Feedback ◽  
Female Athletes ◽  
Semantic Differential ◽  
Self Esteem ◽  
The Self ◽  
Male And Female ◽  
Competitive Athletes ◽  
Single Solution ◽  
Before And After

The self-esteem of male and female competitive athletes was compared after each was provided either positive of negative (verbal) informational feedback on a nonathletic task, a series of single-solution anagrams. Subjects were 50 men and 50 women, aged 18 to 25 years, who were tested on the semantic differential to estimate athletes' self-esteem before and after receiving the informational feedback. Over-all, female athletes responded more strongly to both feedback conditions, with both groups being more influenced by negative rather than by positive feedback.

Does War affect Death Anxiety Level? Seven Readings of Measurements (1988–2002) before and after the Iraqi Invasion of Kuwait

2004 ◽  
Vol 49 (4) ◽  
pp. 287-297 ◽  
Author(s):  
Ahmed M. Abdel-Khalek
Keyword(s):  
Death Anxiety ◽  
Anxiety Level ◽  
Anxiety Scale ◽  
Arabic Version ◽  
Male And Female ◽  
Before And After ◽  
The Mean ◽  
Environmental Events

The present study compared death anxiety level in 1988 (i.e., before the Iraqi invasion of Kuwait in 1990) and six readings in the years 1993, 1995, 1996, 1997, 2000, and 2002 (i.e., after the liberation of Kuwait in 1991). The total samples for comparison were 2,221 male and female Kuwaiti volunteer undergraduates. The Arabic version of the Templer Death Anxiety Scale (DAS) was used with all groups. It was found that all the sex-related differences in the same year of the seven testing occasions were significant. For males, the mean DAS scores after the invasion in 1993, 1995, and 1996 were only significantly higher than that before the invasion. With females, there were a number of fluctuations; however, there was a significant increase of the DAS mean score directly after the invasion in comparison with that before it. By and large, the present findings support the Templer's theory regarding death anxiety as a fluid entity influenced by environmental events, particularly war-related experiences.

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