healthbrief
Barefoot Running Improves Technique B
arefoot running has become a popular activity for athletes, and with the right training, can be a helpful tool for many runners. A recent study from the
University of Jaén, in Spain, confirms the benefits of barefoot running. Researchers set out to determine what types of changes a 12-week program of barefoot running would produce in foot strike patterns, inversion, eversion and foot rotation. Thirty-nine recreational athletes
with no experience in barefoot running participated. Twenty formed the exper- imental group, with 19 serving as a control group. Researchers determined each runner’s low, high and comfort- able running speed and conducted pre- and post-running tests using cameras to document foot strike patterns. The experimental group’s training consisted of a progressive increase in the duration and frequency of barefoot running,
while those in the control group performed the same progressive running program with their shoes on. The experimental group showed significant changes in foot strike pattern, with a
tendency toward a mid-foot strike at all speeds. They also displayed changes in foot rotation and inversion toward a more centered strike at the lower speed, supporting the notion that progressive barefoot training can help athletes trying to change their foot pattern to a mid- or front-foot strike.
Sage Linked to Cognitive Health
A
2016 review from Australia’s Murdoch University, in Perth,
confirms the cognitive benefits of consuming plants in the Salvia genus, particularly sage. Cognition includes processes associated with attention, memory, judgment, evaluation, reasoning, problem solving and decision making. Researchers discussed the
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theory that an accumulation of amyloid-ß peptide (Aß) in the body is responsible for some cognitive dysfunction in Alzheimer’s patients. Studies have shown that sage can protect mice against Aß-induced neurotoxicity, thus helping to preserve cognition. The researchers also highlighted
acetylcholine (ACh), a neurotrans- mitter believed to play an import- ant role in attention, learning, memory and motivation. ACh enzyme inhibitors help prevent alterations in ACh, preserving these functions. In vitro and animal studies show that some species of salvia are effective ACh enzyme inhibitors. In addition, animal studies
have shown that sage extracts can reduce depression and anxiety. Both of these conditions can con- tribute to a decrease in cognitive function. Further research is needed to
determine the extent of the effect and safe dosage.
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