Running to the beat
![null](/web/20160928190627im_/http://www.theage.com.au/content/dam/images/4/i/v/v/e/image.related.wideLandscape.220x124.4ivvd.png/1473401931680.jpg)
- Video duration
- 01:51
Yumi Styne asks Vision's Blake Eastwood what the deal with lunges is and why people do them.
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