·Sep 7, 2016

as

Name: as
Uploaded: 2016-09-07T00:53:11.000Z
Duration: 10 s
Channel: bumpworthy
Description: White text on a black background presents a sequence of statements about running, with a simple icon of a running person appearing alongside the text. The text explains that holding arms still while running requires more energy than swinging them, and suggests this method for burning more calories during a morning run.

Description

White text on a black background presents a sequence of statements about running, with a simple icon of a running person appearing alongside the text. The text explains that holding arms still while running requires more energy than swinging them, and suggests this method for burning more calories during a morning run.