Vitamin D and muscle

Muscular effects of vitamin D in young athletes and non-athletes and in the elderly A Greek group has put together literature on vitamin D and musculature. The very interesting work shows how important vitamin D is for the sporty active people.

There is a very clear connection between muscle strength and vitamin D levels. The whole article can be read below https://pubmed.ncbi.nlm.nih.gov/28222403/

Read more

Differences between man and woman at the world top

Sex Differences in World Record Performance: The Influence of Sport Discipline and Competition Duration It is well known that women are 8-12% slower than men when it comes to sporty achievements at the highest level. Exceptions are sports where increasingly the upper body is needed, there is the difference about about 15%.

In long-distance swimming, women reduced the difference to about 5%. All facts and figures can be found under https://pubmed.ncbi.nlm.nih.gov/28488921/

Read more

African top runners are younger at the top

Elite African Marathoners Specialize Earlier than Elite Non-African Marathoners General is known that the African runners are the fastest runners. In this study, the authors compared the 90 fastest African runners against the 90 fastest non-African runners across the marathon route between 2001 and 2015. It clearly showed that the Africans specialize for the marathon route and withdraw from competitive sports. Finding everything under https://pubmed.ncbi.nlm.nih.gov/28488940/

Read more

Overview of open water swimming

Characteristics and Challenges of Open-Water Swimming Performance: A Review An Italian group has put together the previous literature on open water swimming. In the last 10 years, the popularity of this sport increased strongly.The performance of women increased significantly. It can be assumed that the physique of the woman (more fat and other fat distribution as men) is responsible for this performance improvement. The work can be found under https://pubmed.ncbi.nlm.nih.gov/28459347/

Read more

Marathons in 26 days

Applied Sports Nutrition Support, Dietary Intake and Body Composition Changes of a Female Athlete Completing 26 Marathons in 26 Days: A Case Study A British group has investigated the nutritional behavior on a runner who runs a marathon during 26 days every day. During the marathons she took 1039.7 ± 207.9 kcal (607.1 - 1453.2) and 2.39 ± 0.35 l (1.98 - 3.19).

After 11 days, body weight decreased by 4.6 kg. All details can be found under https://pubmed.ncbi.nlm.nih.gov/28344459/

Read more

Hyponatremia and symptoms

Reported Hydration Beliefs and Behaviours Without Effect on Plasma Sodium in Endurance Athletes The stress-associated hyponatremia is relatively common in endurance athletes and it is based on that a hyponatremia is often symptomatic. We have now examined in a large collective of various endurance athletes whether the knowledge of the hyponatremia and a plan of fluid supply are available and whether the influence on the development of a hyponatremia has.

Read more

Problems of lower extremity in long distance

Diseases and overuse injuries of the lower extremities in long distance runners Rheumatologists on the Balgrist in Zurich have summarized the literature on problems of lower extremity of runners. 50% of the runners complains about a problem at least once a year.Rarely are accidents the problem.The following overload problems are most commonly mentioned: femoropatellar pain, shin Splints, runner’s knee, problems of Achilles tendon, plantar fasciitis, as well as stress fractures of center foot bones or tibia.

Read more