Scientists revealed having a big butt could be the key to being a speed sprinter - a skill we cannot photoshop, unfortunately.
Experts from Loughborough University found that sprinters with a large gluteus maximus - a muscle that forms the bottom - run up to 44 percent faster.
The study, published in the Medicine & Science in Sports & Exercise journal tested the muscle anatomy of 42 men.
It tested five elite sprinters, 26 sub-elite and 11 healthy but untrained participants, to understand whether the size of their muscles affected their performance.
The findings found that top sprinters were generally more muscular - members of the elite group had "far bigger" muscles compared to the untrained men and sub-elite sprinters.
The muscles extending the hip joint were 32 percent bigger in the elite athletes compared to the sub-elite group.
"The biggest differences between the elite sprinters and the sub-elite sprinters was due to the size of the hip extensor muscle group, and the gluteus maximus muscle in particular - which is the large muscle which gives your buttock its round shape," Professor Jonathan Folland of the University of Loughborough told CNN.
"Sprint performance depends on so many different things: psychology, technique, nutrition. All sorts of factors. We found the gluteus maximus seemed to explain 44 percent of the variability."
The team at Loughborough University are now researching female sprinters.
