How serious is RGIII's knee sprain? | NJ.com

The Washington Redskins were lucky to squeak a win after what can potentially be a season ending knee injury for Robert Griffin III. If reports are true that the Griffin's knee is a minor sprain and he can continue to play, the Washington Redskins (and the entire NFL) are not only lucky, they just won the Mega Millions Power Ball Lottery.

The knee joint is probably the simplest joint in the body. It performs two motions. It flexes and it extends. That's it! From the looks of the varus strain (an abnormal inward bend) of Griffin's knee during the tackle, I'd be shocked if the reports that the injury to RG3 is only a minor sprain are true.

The knee can only handle a small amount of varus stress until the lateral collateral ligament (LCL) stretches and then rips off the bone. With that being said, there are three grades of sprains in the knee. Grade 1 means a ligament has been slightly stretched. Grade 2 means a ligament is stretched to the point it is loose (usually referred to as a partial tear). A grade 3 sprain is defined as a complete tear of a ligament. Preliminary reports are that RG3 has sprained his knee, however, what is the grade of the sprain? This can determine the fate of the Redskin's season.

I have heard commentators such as Jon Gruden mention Griffin needs to be careful when he runs the ball to prevent a catastrophic injury. RG3 has been the toast of the NFL, I would hate to see his season end early. However, we have now witnessed two horrific hits. The concussion causing hit in the beginning of the season, and now a potential season ending knee injury.

Not often do we get to watch a rookie QB tear up the entire NFL, let's hope this injury is in fact a minor injury.

Source: http://blog.nj.com/fitness/2012/12/how_serious_is_rgiiis_knee_sprain.html

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