Πυγμάχοι σε επαγγελματικό επίπεδο εκπαιδεύονται τακτικά χτυπώντας και κλωτσώντας σάκους άμμου. Για να είναι επιτυχής στην καριέρα του ατόμου, αυτοπειθαρχία, αποφασιστικότητα, και υπομονή είναι βασικές ιδιότητες. - Φωτογραφίες & Εικόνες Αρχείου

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.