Default running pace is most efficient

People choose their most economic running pace, which of course is a problem when looking to lose weight. People choose to run at their optimal speed Objectives The purpose of this article is to test whether people choose to behave in a manner that reduces the amount of energy they use to travel a given distance.…

Melamine contamination in Nutritional Supplements

Study tested popular supplements available in South Africa – both produced and imported – and found almost half of the products positive for melamine.   Melamine contamination in nutritional supplements – Is it an alarm bell for the general consumer, athletes, and ‘Weekend Warriors’? Background Nutritional supplements are used or experimented with by consumers, notably…

Exercise Does a Body Good. Here is How.

  Cell‘s free and accessible review for anyone interested in the changes brought about by exercise. Integrative Biology of Exercise Exercise represents a major challenge to whole-body homeostasis provoking widespread perturbations in numerous cells, tissues, and organs that are caused by or are a response to the increased metabolic activity of contracting skeletal muscles. To…

Achilles Regeneration and Nuclear Bombs

The period of nuclear bomb testing 1955-1963 (Partial Nuclear Test Ban Treaty) resulted in a spike in carbon 14 and this isotope ends up in living tissue. A comparison of C-14 levels in Achilles tendon and muscles to known atmospheric levels of the time reveals that C-14 in Achilles are fixed in the first 17 years indicating…

Aging, Ultra-Triathlons and Performance

Good news for middle age ultra-triathletes, there is time for improvement. OPEN ACCESS Age-related changes in ultra-triathlon performances Background The age-related decline in performance has been investigated in swimmers, runners and triathletes. No study has investigated the age-related performance decline in ultra-triathletes. The purpose of this study was to analyse the age-related declines in swimming,…