Time-Lapse photostudy: Why Australia's batting collapses like an accordion

It's not a matter of good bowling - though it must be said the Indians have bowled well.  Neither is it a matter of a lack of application, unless you're Brad Haddin.  To paraphrase Python (the Holy Grail), it isn't where it grips it - it's a simple question of weight ratios.

The photostudy below shows Australian no. 3 Shaun Marsh being bowled by Indian seamer Umesh Yadav.  The circles represent