%0 Journal Article %A Paula R Beckenkamp %A C Christine Lin %T The effects of warm-up on physical performance are not clear %D 2011 %R 10.1136/bjsports-2011-090022 %J British Journal of Sports Medicine %P 525-526 %V 45 %N 6 %U https://bjsm.bmj.com/content/bjsports/45/6/525.full.pdf