Ключевые слова: activity, athlete, blister, bruised, callosity, callus, chapped, closeup, cracked, exercise, feet surface, finger, gesture, hand, hard, health, health concept, human, human hand, injury, male, male hand, man, medical, medicine, men at work, open, pain, painful, palm, physical, power, problems, rough, rough skin, showing, skin, skin problems, skincare, surface, surface injury, torn, torn callus, workout,