Two men exercising and fighting in outside. Boxer in gloves is training with a coach. - Stock Photo & Image

Two men exercising and fighting in outside. Boxer in gloves is training with a coach.

Two men exercising and fighting in outside. Boxer in gloves is training with a coach.

Two men exercising and fighting in outside. Boxer in gloves is training with a coach.

Two men exercising and fighting in outside. Boxer in gloves is training with a coach.

Dark-haired guy stretches his arms in the gym between two punching bags on the background of panoramic windows .

Young athletic man and slim girl are doing sport exercises with special equipment such as power band in the gym .

Cropped shot of athletic sportsman with exercising in gym, lifting up kettlebell

Training with dumbbells in the gym. Strength exercises for endurance

Crossfit with ropes. The athlete is training in the gym

Handsome young sporty male bodybuilder doing barbell exercise in gym.

Silhouette photo of a muscular man performs exercises with a barbell in the gym. Strength training.

Handsome young sporty male bodybuilder with naked torso doing exercise on the treadmill in the gym.

Muscular young man is training in the gym in front of the mirror.

The young athlete does exercises in the gym. Power approaches on the simulator.

Silhouette photo of a muscular man performs exercises with a barbell in the gym. Strength training.