Every woman must feel pretty and sexy when wearing high heels. Shoes of this type has many benefits, not only increases self-confidence, this type of shoe is also made more beautiful and toned legs.

The use of high-heeled shoes with often reap negative opinions because they are not good for the health of the feet and body. But a new study reveals another outcome.

Research that makes women aged 18-33 years as its object is to find the fact that the use of high heels can create outside and inside the calf muscle becomes more active when walking than women who wore flat-heeled shoes. In addition, women who prefer to wear flat shoes or flat shoes have a larger calf muscles.

"Like a door hinge, the ankle should be trained with great strength. With wear flat shoes, the muscles will only attract more closely at the ankle," Reveal Professor Anna from Harvey Mudd College Ahn, Calofornia, as quoted by the Daily Mail.

"In order to generate greater force at the ankle, people activate muscles that are relatively thick for a longer duration," he added.