Detection system (1) of a method of performing a shooting exercise with a weapon (10) comprising said weapon and at least one out of the weapon detection means (100) and an item of clothing (30) comprising physical state and/or motor detection means (300). Lastly the system (1) comprises a collection and storage unit (50) suitable for receiving and storing the information detected by the weapon detection means (100) and/or by the physical state and/or motor detection means (300). Detection system (1) of a method of performing a shooting exercise with a weapon (10) comprising said weapon and at least one out of the weapon detection means (100) and the item of clothing (30) comprising physical state and/or motor detection means (300). Lastly the system (1) comprises a collection and storage unit (50) suitable for receiving and storing the information detected by the weapon detection means (100) and/or by the physical state and/or motor detection means (300).