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Unfortunately for Bumgardner

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Unfortunately for Bumgardner

Postby lasky1994 » Fri Feb 09, 2018 1:08 am

Wahl and Behm (2008) found that soleus muscle activation was decreased by 51% during an isometric wall-sit exercise for local muscular endurance in the group utilizing UST during the exercise. It is not clear why the authors (Wahl & Behm, Asics Gel Lyte 3 Femme Beige 2008) tested local muscular endurance on an unstable surface. As Nike Air Presto Dam with the other studies, this example begs the question, “What is the Adidas Stan Smith Donna point of the exercise?” Also, “What adaptation are you trying to elicit?”

Some might think that UST can improve posture. The idea of replacing an office chair with a stability ball to improve trunk muscle activation and posture while sitting is an interesting topic. One proponent of UST (not a physiologist or a biomechanics expert) claims that using a stability ball for a chair at the office gives you a workout, increases performance, and improves posture (Bumgardner, 2007). Unfortunately for Bumgardner, this theory was previously tested and disproved in the scientific literature (Gregory et al., 2006) and has yet to be proven in an Nike Air Max Tavas Femme actual peer-reviewed study. This is another example of a UST claim Adidas ZX 850 Femme that not only has no proof to justify it, but has in fact been disproven.


UST is a good training method if you want to improve Nike Air Huarache Donna performance on an unstable surface at the cost of a decrease in force output, power output, and agonist muscle activation, a decrease in sports performance, skill performance, and coordination on a stable surface, and an increase in antagonistic coactivation (thereby increasing pressure on the joint). In other words, UST has not been proven to be effective at anything except for UST performance.
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