Squat for Mobility, Deadlift for Strength

While cruising through the strength and conditioning blogs and forums I frequent, I happened upon a discussion sparked by an article/video published by physical therapist Gary Cook.  The premise of the piece was that babies and toddlers get into a squat position as a means to move themselves closer to the ground, but when they pick something up they shift into a deadlift position.  The discussion continued into whether or not athletes should forgo the bilateral squat as a strength exercise and use it as a mobility assistance movement for the deadlift, as a prime exercise.  I am going to have to ponder on that one for a while.....In the mean time, here is a video by Gary Cook, PT explaining the deadlift