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Use of groynes and headland groyne, accumulates the sand across the beach but it tend to deplete the sand faster from the downdrift end of the beach. This can be mitigated and sand could be accumulated at the downdrift end of the beach also. This is achieved by having a longer "groyne" or "headland groyne" at the end of downdrift side of the beach.
It has been proposed by scientists that the evolutionary reason for the female body shape is due in part to this sexual selection.Sex-typical body shapes (a man's muscular physique and a woman's hourglass figure) are an outcome of evolutionary adaptation for reproductive fitness because they convey information about gene quality, health and fertility, which are important elements for mate ...
The women's world record has seen more consistent improvement, though the current record has stood longer than any other long jump world record by men or women. The longest to hold the record prior was by Fanny Blankers-Koen during World War II , who held it for over 10 years.
Note however that a 2021 study found that slight changes in measurement placement definition can recategorise up to 40% of women into different body shapes, meaning cross-research comparisons may be flawed unless the exact measurement definitions are used. [32] [33] Several similar classifications of women's body shape exist. These include: [34]
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• Women switch from 3000 to 5000 metres at major championships bringing men's and women's programmes closer together. The 3000 metres will now be run only sporadically at major outdoor events, most significantly at the European Cup. • 1995 South American Championships in Athletics is the first major event to hold women's hammer throw.
Ledecky's 10 individual medals at the Olympics and 26 overall medals at the World Aquatics Championships are records in women's swimming. Ledecky is the world record holder in the women's 800- and 1500-meter freestyle (both long course and short course), as well as the former world record holder in the women's 400-meter freestyle (long ...
The researchers suggest some of these changes could be tied to lifestyle or behaviour factors that cluster at these age groups. People go through ‘dramatic’ changes in their 40s and 60s ...