Josh A Henkin

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Striated muscles across phyla share a highly conserved sarcomere design yet exhibit broad diversity in contractile velocity, force, power output, and efficiency. Insect asynchronous flight muscles are characterized by high-frequency contraction, endurance, and high-power output. These muscles have evolved an enhanced delayed force response to stretch that(More)
We used a novel microvolumetric technique based on protein diffusion to characterize the subproteome of muscle that consists of diffusible proteins, including those involved in cell metabolism. Muscle fiber segments were mechanically demembranated under mineral oil and transferred into drops of relaxing solution. After the fiber segment was depleted of(More)
Matrix-assisted laser desorption/ionization time-of-flight mass spectrometry analysis following tryptic digestion of polyacrylamide gel pieces is a common technique used to identify proteins. This approach is rapid, sensitive, and user friendly, and is becoming widely available to scientists in a variety of biological fields. Here we introduce a simple and(More)
BACKGROUND Recently, there has been an increase in popularity and participation in the sport of snowshoeing. While the sport has gained considerable recognition, to date there is little or no scientific research regarding training responses to snowshoeing as a form of exercise. Therefore, the purpose of this study was to determine whether snowshoe training(More)
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