Surgery Does Not Make You Stronger: The Tommy John Myth
It's an idea that's been circulating for years, and somehow it still persists: the belief that surgery can make you stronger or improve athletic performance.
To be clear, this isn't an anti-surgery argument. Surgery is an incredible medical tool, and modern surgeons can repair severely damaged tissue in ways that were unimaginable just decades ago. When tissue is irreparably damaged by trauma or disease, surgery can be life-changing. What surgery isn't, however, is a proactive way to increase strength or enhance performance.
The body is built to perform
The human body is an extraordinarily adaptive system. Muscles, tendons, ligaments and joints constantly communicate with the nervous system, sending and receiving signals in milliseconds to produce coordinated movement. This neuromuscular system is what lets athletes generate power, speed and precision.
No tissue harvested from a cadaver or manufactured in a lab can outperform healthy, native tissue. If your tissues are intact and functioning normally, you already have the optimal structures for peak performance. Improving strength and athletic ability takes appropriate training, not surgery.
Why surgery sometimes appears to "improve" performance
This misconception comes up most often around Tommy John surgery in baseball pitchers. It's not uncommon to hear, "He came back throwing five miles per hour faster after surgery." While that does happen, the surgery itself isn't the cause.
Pitchers are well known for highly specific throwing programs designed to protect the elbow, but they often lack comprehensive strength and conditioning. Key contributors to pitching velocity, such as leg strength, core stability, eccentric rotator cuff strength, overall load management and mechanics, are frequently undertrained. After an injury and surgery, those missing elements are finally addressed during rehab. The improved performance comes from better training, not a stronger ligament.
Why injuries happen in the first place
The ligament reconstructed in Tommy John surgery didn't tear because it was inherently weak. It broke down from cumulative stress, poor load management, mechanical inefficiencies or inadequate supporting strength. Once you understand how dynamic and adaptable the human body is, it becomes clear that artificial tissue won't outperform healthy biological tissue, unless disease or catastrophic trauma makes surgery necessary.
The bottom line
Surgery restores function when tissue is damaged beyond repair. It doesn't create stronger, faster or more resilient athletes. Strength and performance are built through intelligent training, proper recovery and long-term consistency, not surgical shortcuts. When performance improves after surgery, it's almost always because the athlete finally addressed issues that existed long before the injury.
Want to build the strength and resilience that surgery can't give you? Our physical therapists and performance coaches can help, whether you're rehabbing or trying to stay healthy.
book a sessionthe takeaway
Surgery repairs tissue that's damaged beyond repair, but it doesn't make you stronger. When pitchers throw harder after Tommy John surgery, it's because rehab finally trained the legs, core, rotator cuff and mechanics that were neglected before the injury.
Frequently asked questions
Does Tommy John surgery make pitchers throw harder?
Not directly. When velocity improves after surgery, it's usually because rehab addressed undertrained areas like leg strength, core stability, eccentric rotator cuff strength, load management and mechanics.
Can surgery make you stronger than before?
No. No tissue from a cadaver or a lab can outperform healthy, native tissue. Strength and performance come from training, recovery and consistency.
When is surgery the right choice?
When tissue is irreparably damaged by trauma or disease. In those cases, surgery can restore function and be life-changing.
Why do pitchers tear their UCL?
Usually from cumulative stress, poor load management, mechanical inefficiencies or inadequate supporting strength, not because the ligament was inherently weak.
