Which type of sports injuries comprises the largest percentage of injuries that require little to no activity restriction?

Muscle contusions are indeed the type of sports injuries that typically comprise the largest percentage of injuries requiring little to no activity restriction. These injuries, often caused by direct blows to a muscle, result in localized bleeding and swelling but generally do not compromise the integrity of the surrounding structures significantly. As a result, athletes can often continue to participate in their sport with minimal modifications, such as avoiding certain movements or contact.

Contusions usually heal relatively quickly and allow for a gradual return to full activity without severe long-term complications. This contrasts with other types of injuries, such as fractures or head injuries, which usually demand more significant restrictions and medical evaluations. Fractures often require immobilization and comprehensive rehabilitation, while head injuries—particularly concussions—are managed with strict protocols to prevent further harm. Stroke injuries, while also serious, are not typically associated with athletic contexts in the same manner as the other types listed. Therefore, the nature of muscle contusions allows for athletes to experience less disruption in their activity levels compared to other injuries.