Comment on Ask HN: How do you prevent slouching at your desk? parentComments−teehee15y"It is concluded that the advantages with respect to physical loading of sitting on an exercise ball may not outweigh the disadvantages," the researchers wrote." http://lifehacker.com/5645943/exercise-balls-might-not-be-th...−Luyt15yEeeewww, "spinal shrinkage"!
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"It is concluded that the advantages with respect to physical loading of sitting on an exercise ball may not outweigh the disadvantages," the researchers wrote." http://lifehacker.com/5645943/exercise-balls-might-not-be-th...
Eeeewww, "spinal shrinkage"!