The FVAQ opens a window on key aspects of fall initiation, descent, and impact.
Below, we summarize the FVAQ questions related to fall initiation, descent, and impact.
To address this need, we developed a 24-item fall video analysis questionnaire (FVAQ) to probe key biomechanical, behavioural, situational, and environmental aspects of the initiation, descent, and impact stages of falls.
We focused the FVAQ on the initiation, descent, and impact stages of falls [ 19, 20] and the mechanisms that influence injury risk [ 21], using an iterative process to ensure our responses captured the most common behaviours observed in preliminary review of fall videos.
Listen to the sounds of its descent and impact.
The video was shown as part of a segment on NBC's "Today" show and captured the fearsome descent and terrifying impact of the plane, a World War II vintage P-51 Mustang fighter, as it smashed into the ground adjacent to the crowd on Friday.
It details Philae's descent, and the impact mark it leaves on 67P's surface.
An earlier version of this article mischaracterized the descent rate just before impact.
Manoa, a 28-year-old USA international of Tongan descent, made a big impact in his first season for Saints, winning both the club's Players' Player and Supporters' Player of the Season awards.
Devised by Royal Navy Captain Edward Terrell, the bomb was fitted with solid-fuel rockets to accelerate its descent, giving it an impact speed of 990 mph and hence the ability to penetrate 16 feet of solid concrete before detonating.
