How does exercise make you feel?
![null](/web/20161017230722im_/http://www.smh.com.au/content/dam/images/4/l/v/5/z/image.related.wideLandscape.220x124.4lv5y.png/1476412769939.jpg)
- Video duration
- 01:32
Yumi Styne asks Vision's Blake Eastwood what the deal with lunges is and why people do them.
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