Doctors weigh in on Texans tackle Derek Newton's injuries

As Texans offensive tackle Derek Newton recuperates from a successful surgery to repair a torn of patellar tendons, doctors gave their input to The Chronicle on his medical situation and outlook.

The following answers were provided by Brian Schulz, MD, orthopedic surgeon at Kerlan-Jobe Orthopaedic Clinic in Los Angeles:

What is the nature of torn patellar tendons?

Patellar tendon rupture typically occurs when the quadriceps muscle is overloaded while it is contracting. It can occur in an otherwise healthy athlete with no predisposing factors.

How rare is that kind of injury?

Knee injuries in professional football players are common. However, patellar tendon rupture is relatively rare. In fact,…