Telemetry and Training Control of Swimmers

2015 ◽  
pp. 103-105
Author(s):  
R. Deroanne ◽  
M. Leloup ◽  
F. Pirnay ◽  
J. M. Petit
Keyword(s):  
Training Control ◽  
And Training

An Examination of Learning Proficiency Differences in Low and Middle Ses Children

1981 ◽  
Vol 4 (3) ◽  
pp. 377-390
Author(s):  
Ralph R. Turner
Keyword(s):  
Matrix Completion ◽  
Item Type ◽  
Developmental Level ◽  
Grade Levels ◽  
Research Findings ◽  
Level I ◽  
Response Feedback ◽  
Training Control ◽  
Order Of Presentation ◽  
And Training

The results of research investigating differences in matrix completion abilities between low-SES and middle-SES children have been inconsistent. This study provided a framework in which several unresolved issues could be examined. Item type, order of presentation, training modes, and developmental level were varied in two SES groups in an attempt to clarify previous research findings. The subjects were 288 individually tested children. SES level was determined by the Hollingshead and Redlich (1958) scale while developmental level was represented by first, third, and fifth grade levels. Training consisted of maximal prompt, correctness-of-response feedback, and a no-training-control condition. Subject responded to double classification and enclosure matrix completion item types until a criterion performance was obtained, and were then shown 11 transfer items of each type. The results revealed significant SES, grade, and training main effects. Generally, middle-SES and older subjects were able to learn more efficiently and transfer more effectively than their counterparts. SES and training interacted with item type and order of presentation which indicated differential facilitative effects across SES levels. A major finding was the absence of a significant SES X grade interaction. This result supports a developmental lag as opposed to Level I Level II interpretation.

Effect of endurance swimming on rat cardiac myofibrillar ATPase with experimental diabetes

1985 ◽  
Vol 63 (9) ◽  
pp. 1202-1205 ◽  
Author(s):  
A. N. Belcastro ◽  
P. Maybank ◽  
M. Rossiter ◽  
D. Secord
Keyword(s):  
Body Weight ◽  
Atpase Activity ◽  
Functional Properties ◽  
Experimental Diabetes ◽  
Myofibrillar Atpase ◽  
Sedentary Control ◽  
Urine Glucose ◽  
Training Control ◽  
And Training ◽  
Myofibril Atpase

Diabetes is characterized by depressed cardiac functional properties attributed to Ca2+-activated ATPase activity. In contrast, endurance swimming enhances the cardiac functional properties and Ca2+-activated myofibril ATPase. Thus, the purpose of this study was to observe if the changes associated with experimental diabetes can be ameliorated with training. Diabetes was induced with a single i.v. injection of streptozotocin (60 mg/kg). Blood and urine glucose concentrations were 802 ± 44 and 6965 ± 617 mg/dL, respectively. The training control and training diabetic animals were made to swim (±2% body weight) 4 days/week for 8 weeks. Cardiac myofibril, at 10 μM free Ca2+ concentration was reduced by 54% in the sedentary diabetics compared with sedentary control animals (p < 0.05). Swim training enhanced the Ca2+-activated myofibril ATPase activities for the normal animals. The diabetic animals, which swam for 8 weeks, had further reduced their Ca2+-activated myofibril ATPase activity when compared with sedentary diabetics (p < 0.05). Similarly, the Mg2+-stimulated myofibril ATPase activity was depressed by 31% in diabetics following endurance swimming. It is concluded that the depressed Ca2+-activated myofibril ATPase activity of diabetic hearts is not reversible with endurance swimming.

Perceptual Learning Induced by Short-Term Training with Visual Stimuli: Effects of Retinal Position and Stimulus Type

2011 ◽  
Vol 22 (4) ◽  
pp. 257-262
Author(s):  
Wolfgang Skrandies
Keyword(s):  
Perceptual Learning ◽  
Neural Plasticity ◽  
Discrimination Performance ◽  
Short Term ◽  
Retinal Position ◽  
Perceptual Training ◽  
Forced Choice Task ◽  
Improved Performance ◽  
Training Control ◽  
And Training

We investigated perceptual learning in 85 healthy adults with stereoscopic information contained in dynamic random dot stimuli or with vernier targets. Stimuli were flashed simultaneously at 8 locations at an eccentricity of 1.15° or 2.3°, and subjects had to detect a target in an “8 Alternative Forced Choice” task. For training at a given eccentricity stimuli at the other eccentricity served as a “no training” control. Viewing of visual targets for about 20 minutes resulted in a significant increase of discrimination performance only for the trained stimuli (significant interaction between training and time). Thus, learning is position specific: improved performance can be demonstrated only when test and training stimuli are presented to the same retinal areas. In combination with our earlier electrophysiological results, this study illustrates how perceptual training induces stimulus and visual field specific neural plasticity in adults.

scholarly journals The impact of periodized core training program on accurate service velocity of male tennis players aged 11-1311-13 yaş arası erkek tenisçilerde periyotlanmış core antrenman programının isabetli servis hızına etkisi

2017 ◽  
Vol 14 (3) ◽  
pp. 3022 ◽  
Author(s):  
Ozan Sever ◽  
Rıdvan Kır ◽  
Metin Yaman
Keyword(s):  
Training Program ◽  
Training Group ◽  
Control Group ◽  
Control Group Design ◽  
Tennis Players ◽  
Core Stabilization ◽  
Core Training ◽  
Training Control ◽  
The Impact ◽  
And Training

The purpose of this study is to examine the effect of periodized core training program on the serve velocity in male tennis players aged 11-13 years. 24 male nationally ranged (age 11.9±1.63, height 154.4±11.32, weight 43±8.76) participated to the study from a professional tennis club. Pre-post-training - control group design was applied and subjects were randomly assigned to Control Group and Training Group. Training Group participated to the core training program consisted of isometric and isotonic core stabilization exercises on stable and nonstable surfaces, three days in a week for 8 weeks in addition to tennis training sessions. Accurate service velocity, was assessed initially and at the end of the 8-week core program for both control and training groups. There was a significant improvement (6.6 %) in the serve velocity for the training group after the experiment, whereas there were no differences in the control group. Core stabilization training improved service velocity for young tennis players. It is recommended tennis coaches to apply periodized core stabilization exercises to young athletes and plan training programs in this way. Extended English abstract is in the end of PDF (TURKISH) file. ÖzetBu çalışmanın amacı 11-13 yaş arası erkek tenisçilerde periyodlanmış core antrenman programının isabetli servis hızına etkisini incelemektir. Çalışmaya profesyonel bir tenis kulübünden ulusal müsabık 24 erkek tenisçi (yaş 11.9±1.63, boy 154.4±11.32, ağırlık 43±8.76) katılmıştır. Araştırmada ön-test son-test kontrol gruplu model uygulanmış, denekler iki gruba rastgele atanmıştır. 12 sporcu Kontrol Grubunu, 12 sporcu ise Deney Grubunu oluşturmuştur. Deney Grubuna haftanın üç günü yarım saatlik 8 hafta boyunca toplamda 24 antrenman birimi stabil ve stabil olmayan yüzeylerde izometrik ve izotonik core stabilizasyon egzersizlerinden oluşan program, tenis antrenmanlarına ek olarak uygulanmıştır. Program öncesi ve sonrasında her katılımcı maksimal hızda 10 servis kullanarak en hızlı ve geçerli atışları kaydedilmiştir. Core antrenman uygulaması sonrası Kontrol Grubunun servis atış hızı değişmezken, Deney Grubu servis atış hızını ortalama 120.93 km/s hızdan 128.6 km/s hıza (% 6.6) çıkarmıştır. Core antrenman uygulamalarının genç tenisçilerde isabetli servis hızını olumlu etkilediği tespit edilmiştir. Tenis antrenörlerinin yüksek şiddet içermeyen, core antrenmanlarını ve stabilizasyon uygulamalarını genç sporcularda uygulamasının yararlı olacağı düşünülmekte ve antrenman programlarını buna göre planlamaları tavsiye edilmektedir.

Improved 2000-Meter Rowing Performance in Competitive Oarswomen after Caffeine Ingestion

2000 ◽  
Vol 10 (4) ◽  
pp. 464-475 ◽  
Author(s):  
Megan E. Anderson ◽  
Clinton R. Bruce ◽  
Steve F. Fraser ◽  
Nigel K. Stepto ◽  
Rudi Klein ◽  
...  
Keyword(s):  
Fatty Acid ◽  
Free Fatty Acid ◽  
Confidence Interval ◽  
Plasma Free Fatty Acid ◽  
Laboratory Setting ◽  
Caffeine Ingestion ◽  
Rowing Performance ◽  
Rowing Ergometer ◽  
Training Control ◽  
And Training

Eight competitive oarswomen (age, 22 ± 3 years; mass, 64.4 ± 3.8 kg) performed three simulated 2,000-m time trials on a rowing ergometer. The trials, which were preceded by a 24-hour dietary and training control and 72 hours of caffeine abstinence, were condueted 1 hour after ingesting caffeine (6 or 9 mg kg ’ body mass) or placebo. Plasma free fatty acid concentrations before exercise were higher with caffeine than placebo (0.67 ± 0.34 vs. 0.72 ± 0.36 vs. 0.30±0.10 mM for 6 and 9 mg · kg−1; caffeine and placebo, respectively; p <.05). Performance lime improved 0.7% (95% confidence interval [Cf] 0 to 1.5%) with 6 mg kg−1 caffeine and 1.3$ (95% CI 0.5 to 2.0%) with 9 mg · kg−1 caffeine. The first 500 m of the 2,000 m was faster with the higher caffeine dose compared with placebo or the lower dose (1.53 ± 0.52 vs. 1.55 ± 0.62 and 1.56 ± 0.43 min; p = .02). We concluded that caffeine produces a worthwhile enhancement of performance in a controlled laboratory setting, primarily by improving the first 500 m of a 2,000-m row.

Physical Capacity in LVAD Patients: Hemodynamic Principles, Diagnostic Tools and Training Control

2016 ◽  
Vol 39 (9) ◽  
pp. 451-459 ◽  
Author(s):  
Nils Reiss ◽  
Thomas Schmidt ◽  
Anke Workowski ◽  
Detlev Willemsen ◽  
Jan D. Schmitto ◽  
...  
Keyword(s):  
Physical Capacity ◽  
Diagnostic Tools ◽  
Training Control ◽  
And Training
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