A.R. for normal people is coming soon. Perhaps with the upcoming iPhone 8.
Click PLAY or watch an example on YouTube.
How could we use this for coaching analysis?
Category: biomechanics
sport science for coaches
Wayne Goldsmith:
In the sports science world things are based on facts, research, validity and reliability measures, measurement, accuracy and evidence.
In the coaching world the key focus areas are results, performance, communication, instinct and “feel” – the art of coaching. …
Keep jargon down to a minimum
Join the PAPPP – People Against Pointless PowerPoint Presentations
Keep background, historical information to a minimum
Don’t dumb down – coaches are not dumb
Ten Golden Rules for presenting sports science information to coaches.
weight on hands during handstand
Click PLAY or watch it on Facebook.
Linda Zivat – Tsuk layout full
This is NOT a Kasamatsu. Tsuk full is more difficult though they look similar.
Click PLAY or watch it on YouTube. (9.75)
Sonya Meraz – Beam tumbling
There’s not much science in this short science video. No mention of centre of mass over base of support. No discussion on how forces are generated.
But they are big on suede. 🙂 (A suede-like fabric, actually)
Click PLAY or watch it on Twitter.
Shaposh variations on Bars
Click PLAY or watch it on YouTube.
Here’s the chart from the last Code.
No Turn Half Turn Full Turn Clear Hip Shaposhnikova (D) Khorkina (E) — Toe-On Maloney (D) Van Leeuwen (E) Seitz (E) Stalder Chow (D) Chow half (E) — Inbar Komova II (E) Komova (E) —
a new dive – 513XD
Is a dive with 1.5 somersaults and 5 twists possible?
Some sport scientists believe it is but that a different arm action would be required. The body would tilt to the point of being near horizontal at one point before untilting for entry into the water.
Read the study by WILLIAM TONG AND HOLGER R. DULLIN – A NEW TWISTING SOMERSAULT – 513XD (PDF)
related – Fred Yeaden – LEARNING HOW TO TWIST FAST (PDF)
(via Lukewiwa)
which drops faster: bowling ball or feather?
Click PLAY or watch it on Facebook.
(via Steve Bonham)
Biles on Floor
Watch how little she needs to move her arm in order to “tilt” a half twist.
Click PLAY or watch it on YouTube.
Shaposh / Tkachev drill
Working with a gymnast new to Shaposh recently, I was wishing we had a Quick Flex Bar. This is by far the best way for kids to get started on all counter rotating releases.
Click PLAY or watch it on YouTube.
The hands are the only point of force application. Of course that hip action is needed to put more weight on the rail. The equal, opposite and simultaneous reaction force is what generates the counter rotation.
