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Arm span or reach (sometimes referred to as wingspan, or spelled armspan) is the physical measurement of the length from one end of an individual's arms (measured at the fingertips) to the other when raised parallel to the ground at shoulder height at a 90° angle. The arm span measurement is usually very close to the person's height.
Body proportions is the study of artistic anatomy, which attempts to explore the relation of the elements of the human body to each other and to the whole. These ratios are used in depictions of the human figure and may become part of an artistic canon of body proportion within a culture.
The body proportions of Vitruvian Man. The armspan is marked equal to the stature of the subject. Leonardo da Vinci developed rules for drawing human proportions. For example, human body height is to be the length of eight heads, with an additional one-quarter head for neck length. Leg length is to be four head lengths. [1]
The derived measures include the (mid-)upper arm muscle area ((M)UAMA), the (mid-)upper arm fat area ((M)UAFA), and the arm fat index. Although they are not directly convertible into measures of overall body fat weight and density, and research has questioned the connection between skinfold fat and deep body fat measurements, these measures are ...
In the most extreme population comparisons, for example, the average female height in Bolivia is 142.2 cm (4 ft 8.0 in) while the average male height in the Dinaric Alps is 185.6 cm (6 ft 1.1 in), an average difference of 43.4 cm (1 ft 5.1 in).
It has been noted that swimmers tend to have longer arms in relation to their body size. [8] A notable example is Michael Phelps whose arm span is 10 cm greater than his height, affording him an index of 1.052. [9] There is evidence to support that having a higher index will be beneficial to a football goalkeeper [citation needed].
Country / region Average male height Average female height Stature ratio (male to female) Sample population / age range Share of pop. over 18 covered [9] [10] [b] Method
Distance: one to two metres (3 to 6 ft – human arm's reach, stride, height) Attention span: seconds to hours; Life span: 75 years (mean life expectancy at birth) Mass: kilograms – most typically, for newborns from about 3–4 kg (7–9 lb) for a human adult their weight range is about 50–100 kg (100–200 lb)