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Early Warning Signs of Sports Injuries in Teens-and When to See a Specialist

Teen athletes push their bodies to the limit, often balancing intense training schedules with school and other activities. While sports build strength, discipline, and confidence, they also put young joints, muscles, and tendons at risk. In football, hockey, and soccer, the physical demands and high-contact nature of play increase the likelihood of injuries. Recognizing the early signs of common problems-particularly ACL tears in the knee and rotator cuff injuries in the shoulder-can help prevent long-term complications and keep athletes on the field, the ice, or the pitch.

Why Teen Athletes Are at Higher Risk

Adolescents are still growing, making their muscles, ligaments, and joints more vulnerable to stress. High-impact sports like basketball, soccer, baseball, and swimming demand repetitive movements and sudden pivots that can strain developing bodies.

ACL Injuries: Red Flags You Shouldn’t Ignore

The anterior cruciate ligament (ACL) in the knee is vital for stability during quick cuts, jumps, and changes in direction. Teen athletes, especially those in soccer, football, and basketball, are at heightened risk of ACL tears Early signs include:

  • A popping sound at the moment of injury
  • Knee swelling within hours
  • Persistent instability, such as the knee “giving out”
  • Difficulty bearing weight without discomfort

Ignoring these symptoms can lead to chronic instability, additional knee damage, and the need for more complex treatment down the road.

Early Symptoms of Rotator Cuff Injuries in Teens

Though often considered an adult injury, rotator cuff tears and strains are increasingly seen in young athletes, particularly baseball pitchers, swimmers, and tennis players. Signs that may indicate a developing issue include:

  • Shoulder pain that worsens with overhead motion
  • Weakness when lifting the arm
  • Clicking or grinding sensations in the shoulder
  • Night pain that interferes with sleep

Rotator cuff injuries that start as minor strains can progress into more serious tears if not treated properly, limiting performance and long-term shoulder health.

When to See an Orthopedic Specialist

Mild soreness after practice is normal, but pain, swelling, or weakness that persists more than a few days should not be ignored. An orthopedic specialist can perform a thorough evaluation and recommend imaging, physical therapy, or, if necessary, surgical solutions, such as rotator cuff repair and ACL reconstruction to restore joint stability and prevent recurring injuries. Early diagnosis often leads to faster recovery and better outcomes.

Staying alert to early warning signs of ACL or rotator cuff injuries helps teens stay healthy and active in the sports they love. If your child is showing signs of knee or shoulder injury, don’t wait to seek care from a specialist to safeguard their future performance and health.

AUTHOR: Geoffrey Van Thiel, MD, is a board-certified orthopedic surgeon specializing in sports medicine treatments of the hip, knee, and shoulder, with a focus on compassionate, cutting-edge care. Dr. Van Thiel’s commitment to athletics and an active lifestyle is evident in both his personal belief that activity leads to better health and his involvement with the Chicago Blackhawks Medical Network, AHL Rockford IceHogs, and US National Soccer Teams.

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