Topspin vs Block: Slow-Motion Speed & Spin Test

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We ran a small test to see what really happens during a topspin–block rally.
Recorded everything in slow motion and measured the ball’s speed and spin at different points:


  • after the topspin leaves the attacker’s racket
  • just before reaching the blocker
  • after the bounce
  • after the block

Sharing the clip and numbers here for discussion.


I’ve also run the same test with Dr Neubauer Killer medium pips and will be posting that later today.
 
says Fair Play First
says Fair Play First
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CENTIPEDE SYNDROME TO MAKE YOU A WIMP.

Yes, looking too deeply into one's biomechanics is a dangerous thing anyway, and more so for those seeking to improve in table tennis. Table tennis is all about acquired and subconscious reflexes and "muscular memory" rather than abstract knowledge of the ball dynamics and muscular neurology.


On May 23, 1889, the poem appeared in an article by British zoologist Ray Lankester, published in the scientific journal Nature,[5] which discussed the work of photographer Eadweard Muybridge in capturing the motion of animals: "For my own part," wrote Lankester, "I should greatly like to apply Mr. Muybridge's cameras, or a similar set of batteries, to the investigation of a phenomenon more puzzling even than that of 'the galloping horse'. I allude to the problem of 'the running centipede'". Lankester finished the article on a fanciful note by imagining the "disastrous results in the way of perplexity" that could result from such an investigation, quoting the poem and mentioning that the author was unknown to him or to the friend who sent it to him. It has since been variously attributed to specific authors, but without convincing evidence, and often appears under the title "The Centipede's Dilemma".

The version in the article is:

-- A centipede was happy – quite!
-- Until a toad in fun said,
-- "Pray, which of your legs moves after which?"
--This raised her doubts to such a pitch,
--She fell exhausted in the ditch
--Not knowing how to run.
 
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