Toe injuries are the worst. Stubbed toes, hammer toe (don't look it up, it's gross) and don't get me started on the dreaded ingrown toenail.

If you're a premier athlete like former Iowa State football quarterback Brock Purdy , suffering a turf toe injury can be one of the most painful and frustrating injuries a professional athlete can sustain.

After the San Francisco 49ers ' Week 1 win against the Seattle Seahawks , the team announced on Sept. 11 that its starting quarterback will miss several games due to the injury. ESPN's Adam Schefter reported Sept. 10 that Purdy had also suffered a left shoulder injury in the win.

Here's what to know about turf toe and the latest on Purdy's injury.

What is turf toe?

Turf toe "is an injury in your big toe joint when ligaments, tendons

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