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Waist-to-height ratio: the average ratio for US college competitive swimmers is 0.424 (women) and 0.428 (men); the ratios for a (US) normally healthy man or woman is 0.46–0.53 and 0.45–0.49 respectively; the ratio ranges beyond 0.63 for morbidly obese individuals. [15]
Trail can vary as the bike leans or steers. In the case of traditional geometry, trail decreases (and wheelbase increases if measuring distance between ground contact points and not hubs) as the bike leans and steers in the direction of the lean. [17] Trail can also vary as the suspension activates, in response to braking for example.
The wall-to-wall turning circle is the minimum distance between two walls, both of which exceed the height of the vehicle, in which the vehicle can make a U-turn. The kerb-to-kerb turning circle is the minimum distance between two raised curbs, both of which are lower than the lowest body protrusions, in which the vehicle can make a U-turn.
The bicycle is the most efficient human-powered means of transportation in terms of energy a person must expend to travel a given distance. [51] From a mechanical viewpoint, up to 99% of the energy delivered by the rider into the pedals is transmitted to the wheels, although the use of gearing mechanisms may reduce this by 10–15%.
A woman who is 36–24–36 (91.5–61–91.5) at 5 ft 3 in (1.60 m) tall looks different from a woman who is 36–24–36 at 5 ft 8 in (1.73 m) tall. Since the latter woman's figure has greater distance between measuring points, she will likely appear thinner than her former counterpart, again, even though they share the same measurements.
According to 2023 Strava data, the average cycling speed for leisure rides completed on pavement was 14.1 mph, and average distance for those rides was 19.2 miles. Leisure dirt rides were slower ...
Using a series of mathematical calculations and a series of tables, each activity is assigned a REBA score. To calculate the REBA score, the tool separates the body parts into the two groups group A and group B. The body parts assigned to Group A are: Neck; Trunk; The body parts assigned to group B are: Upper arms; Lower arms; Wrists
Kneeling is a basic human position where one or both knees touch the ground. It is used as a resting position, during childbirth and as an expression of reverence and submission. While kneeling, the angle between the legs can vary from zero to widely splayed out, flexibility permitting. It is common to kneel with one leg and squat with the ...