4minute’s Hyun-a revealed the secret behind her perfect figure.

On the 10th, she posted on her Twitter "After practice, euhuh euhuh", along with a photo.

In the photo Hyun-a is exercising on a running machine in what appears to be a gym. In her comfortable shorts and bright pink sneakers, her perfect leg line is accentuated even more.

Netizens who saw the photo commented "wow Hyun-a", "this is the secret behind your body", "I'm going to start exercising also", "Hyun-a looks pretty even when she's dressed down", and etc.

Photo Credit: Hyun-a Twitter