pogo-stick, backflip. Female Mountain Bikers Backflip Their Way to Equality. women shared equally in adrenaline and prizes.

Female Mountain Bikers Backflip Their Way to Equality

In the past, only men were invited to the scariest and most lucrative event in mountain biking. This year, women shared equally in adrenaline and prizes.

Boston Dynamics' Atlas robot can now jump and do backflips. Incredible! https://spectrum.ieee.org/…/video-friday-backflipping-atlas…

Pogo as an Extreme Sport

Thanks to new designs, pogo-stick riders can do backflips, jump several feet in the air. The best compete in Pogopalooza.
Read original story in The Wall Street Journal | Friday, 28 Aug 2009

Key facts. Adrenaline is a hormone that your body naturally releases from your adrenal gland. Adrenaline causes changes in your body that help you to act in a sudden stressful situation — also known as a 'fight or flight response'.

Adrenaline - Healthdirect

Wikipedia article "Pogo stick".
n. - 彈簧單高蹺, 該遊戲的工具
v. intr. - 玩彈簧單高蹺
idioms:

• pogo stick 一種跳躍用高蹺杖, 彈簧單高蹺

後滾翻
backflip
intr.v., -flipped, -flip·ping, -flips.
To perform a backward somersault, especially in the air.
n.
A backward somersault.