Bicycle accidents frequently result in specific types of shoulder injuries due to the mechanics of how cyclists fall. The most common is a fractured clavicle (collarbone), which occurs when the cyclist lands directly on the shoulder or extends an arm to break the fall. This injury is particularly prevalent in vehicle collisions where the cyclist is thrown from the bike. Clavicle fractures often require surgical intervention with plates and screws, followed by months of physical therapy.
Rotator cuff injuries represent another significant category of shoulder trauma in bicycle accidents. The rotator cuff is a group of muscles and tendons that stabilize the shoulder joint, and these can be torn or severely strained during impact. Unlike fractures that show up immediately on X-rays, rotator cuff tears may require MRI imaging for proper diagnosis. These injuries can be particularly insidious because symptoms may worsen over time, and delayed treatment can lead to permanent loss of function.
Shoulder dislocations and separations also occur frequently when cyclists are struck by vehicles or fall at high speeds. An anterior shoulder dislocation happens when the upper arm bone pops out of the shoulder socket, often accompanied by damage to surrounding ligaments and cartilage. Acromioclavicular (AC) joint separations, commonly called separated shoulders, involve tearing of the ligaments that connect the collarbone to the shoulder blade. Both injuries typically require immediate emergency care and extensive rehabilitation to restore full range of motion.