The ingestion of a caffeinated energy drink improves jump performance and activity patterns in elite badminton players

The aim of this study was to investigate the effectiveness of a caffeine-containing energy drink to enhance physical and match performance in elite badminton players. Sixteen male and elite badminton players (25.4 ± 7.3 year; 71.8 ± 7.9 kg) participated in a double-blind, placebo-controlled and randomised experiment. On two different sessions, badminton players ingested 3 mg of caffeine per kg of body mass in the form of an energy drink or the same drink without caffeine (placebo). After 60 min, participants performed the following tests: handgrip maximal force production, smash jump without and with shuttlecock, squat jump, countermovement jump and the agility T-test. Later, a 45-min simulated badminton match was played. Players’ number of impacts and heart rate was measured during the match. The ingestion of the caffeinated energy drink increased squat jump height (34.5 ± 4.7 vs. 36.4 ± 4.3 cm; P < 0.05), squat jump peak power (P < 0.05), countermovement jump height (37.7 ± 4.5 vs. 39.5 ± 5.1 cm; P < 0.05) and countermovement jump peak power (P < 0.05). In addition, an increased number of total impacts was found during the badminton match (7395 ± 1594 vs. 7707 ± 2033 impacts; P < 0.05). In conclusion, the results show that the use of caffeine-containing energy drink may be an effective nutritional aid to increase jump performance and activity patterns during game in elite badminton players.     

How Do We React When Our Favorite Characters Are Taken Away? An Examination of a Temporary Parasocial Breakup

This study examined reactions to a temporary parasocial breakup situation during the television writers’ strike of 2007–2008 when many television shows stopped airing new episodes. Past research on parasocial breakups and uses and gratifications theory was used to predict emotional and behavioral reactions. Questionnaire results revealed that participants with stronger parasocial relationships experienced greater distress—even after controlling for the number of favorite programs that went off the air. Moreover, those with greater television affinity reported greater distress when their favorite show was disrupted, although television viewing motives also played a role in this process. Finally, when their favorite shows were no longer airing new episodes, viewers primarily replaced television viewing time with other media exposure rather than increasing nonmedia activities such as social interaction. However, a number of these activities varied by gender.     

Increased plasma zonulin in patients with sepsis

Introduction:

Zonulin is a eukaryotic protein structurally similar to Vibrio cholerae’s zonula occludens toxin. It plays an important role in the opening of small intestine tight junctions. The loss of gut wall integrity during sepsis might be pivotal and has been described in various experimental as well as human studies. Increased levels of zonulin could be demonstrated in diseases associated with increased intestinal inflammation, such as celiac disease and type 1 diabetes. We therefore investigated the role of plasma levels of zonulin in patients with sepsis as a non-invasive marker of gut wall integrity.

Materials and methods:

Plasma level of zonulin was measured in 25 patients with sepsis, severe sepsis or septic shock according to ACCP/SCCM criteria at the first day of diagnosed sepsis. 18 non-septic post-surgical ICU-patients and 20 healthy volunteers served as control. Plasma levels were determined by using commercially available ELISA kit. Data are given as median and interquartile range (IQR).

Results:

Significantly higher plasma concentration of zonulin were found in the sepsis group: 6.61 ng/mL (IQR 3.51–9.46), as compared to the to the post-surgical control group: 3.40 ng/mL (IQR 2.14–5.70) (P = 0.025), as well as to the healthy group: 3.55 ng/mL (IQR 3.14–4.14) (P = 0.008).

Conclusion:

We were able demonstrate elevated levels of plasma zonulin, a potential marker of intestinal permeability in septic patients. Increased zonulin may serve as an additional mechanism for the observed increased intestinal permeability during sepsis and SIRS.     

The Mobile Teaching Package in Africa

Conclusion The developed design of the MTP can only result from an inter-disciplinary study, including not only educators, but also audio-visual specialists and furniture designers, and its accommodation and conditioning might include several grades of complexity. Implementation as well may include a range of possibilities of production, from a minimum technical level (timber) up to the most sophisticated means (metal, plastic, etc.). This range would also allow a choice among the possible production frameworks, including major industries, sponsored by external assistance according to more general policy considerations. Finally, implementation must, as an absolute necessity, be accompanied by the action of special teacher training to assure optimum use.The MTP proposes a reassessment of conventional thinking related to school building. The multipurpose nature of the MTP makes it possible to share school facilities with health, social guidance, library resource, arts and crafts, functional literacy programmes and continuation schooling. By means of the MTP each locality can vary the means of school shelter within available budgets and according to environmental requirements, while still being assured of adequate technical equipment to carry on a school programme of the best quality. A reassessment of prestige requirements is needed for the acceptance of the MTP and the minimum school structure. A further study by REBIA on possible solutions to this aspect of the school problems is now under way.     

Phonological sensitivity and reading: evidence from precocious readers

This paper reports the results from a study investigating the level of phonological sensitivity, letter knowledge and reading ability of two groups of children between the ages of 5 and 7 years. One group of children were identified as being fluent readers at the age of 5 years, before they had begun school. These children were paired with a group of children of the same age and vocabulary development but who were not yet reading. The performance of the two groups of children on the tasks measuring phonological sensitivity confirmed the view of Stanovich (1986, 1992) that phonological sensitivity lies on a continuum from shallow to deep. Shallow levels of phonological sensitivity, tapped by rhyming tasks, seem to be necessary for reading to progress whereas deeper levels of sensitivity develop later and have a more reciprocal relationship to reading progress.