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Physical fitness of elite women's rugby union players over a ...

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eathe in and stand as tall as possible then the platform <strong>of</strong> the stadiometer was lowered until<br />

it made firm contact with the vertex (top <strong>of</strong> the head).<br />

3.6.2 Body Mass<br />

Body mass was measured using a calibrated scale (Seca Model 708, Seca Hamburg, Germany)<br />

with accuracy to the nearest 0.1 kg. The <strong>players</strong> were weighed on a scale located on a hard<br />

and level surface. Participants were requested to remove their footwear and stand erect and<br />

still on the scale until the measurement was recorded.<br />

3.6.3 Skinfolds<br />

As an estimate <strong>of</strong> adiposity, skinfold thickness was measured at seven sites using a Harpenden<br />

skinfold calipers. The biceps, triceps, subscapular, suprailiac, medial calf, front thigh and<br />

abdominal were the sites selected (Ross & Marfell-Jones, 1991).<br />

The skinfold-caliper reading was the measurement <strong>of</strong> the compressed thickness <strong>of</strong> a double<br />

layer <strong>of</strong> skin and the underlying subcutaneous tissue, which is assumed to be adipose tissue.<br />

The skinfold thickness was measured by grasping a fold <strong>of</strong> skin and the underlying<br />

subcutaneous tissue between the thumb and forefinger, 1 - 2 cm above the site that is to be<br />

measured. The fold was pulled away from the underlying muscle and the jaws <strong>of</strong> the calipers<br />

are placed on either side <strong>of</strong> the site, at a depth <strong>of</strong> approximately 1 cm. The skinfold was held<br />

firmly throughout the application <strong>of</strong> the caliper and the reading was taken when the needle<br />

became steady after the full pressure <strong>of</strong> the caliper jaws had been applied. The calipers were<br />

48

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