Final answer:
Yes, a substitute goalkeeper is allowed to warm-up during stoppages in play as it is crucial for injury prevention. Shin guards and a protective cup are recommended safety equipment for players.
Step-by-step explanation:
The question you've asked relates to soccer rules and the health practices implemented within the game. According to soccer regulations, a substitute goalkeeper is indeed allowed to warm up during a stoppage of play. This is significant because warming up before intense activity is crucial for injury prevention. Warm-ups may include activities like stretching exercises that help prepare the muscles and joints for the game, reducing the risk of strains, sprains, or more serious injuries.
Furthermore, discussing protective equipment, it is worth noting that shin guards and a protective cup are essential for male players to prevent injuries, especially during physical sports like soccer where contact with the ball or other players can occur frequently.