Ammattilaiset nyrkkeilijät treenaavat rutiininomaisesti lyömällä ja potkimalla hiekkasäkkejä. Ollakseen menestyksekäs yksilön uralla, itsekuri, päättäväisyys ja kärsivällisyys ovat olennaisia ominaisuuksia.. - Kuvapankin valokuva ja kuva

Boxers at the professional level routinely train by punching and kicking sandbags. To be successful in the individual's career, self-discipline, determination, and patience are essential qualities.

Boxers at the professional level routinely train by punching and kicking sandbags. To be successful in the individual's career, self-discipline, determination, and patience are essential qualities.

Boxers at the professional level routinely train by punching and kicking sandbags. To be successful in the individual's career, self-discipline, determination, and patience are essential qualities.

Boxers at the professional level routinely train by punching and kicking sandbags. To be successful in the individual's career, self-discipline, determination, and patience are essential qualities.

Male boxer training with punching bag in dark sports hall. Young boxer training on punching bag. Male boxer as exercise for the big fight. Boxer hits punching bag.

Boxers at the professional level routinely train by punching and kicking sandbags. To be successful in the individual's career, self-discipline, determination, and patience are essential qualities.

Boxers at the professional level routinely train by punching and kicking sandbags. To be successful in the individual's career, self-discipline, determination, and patience are essential qualities.