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From Strength to Strength (Ages 14-16)

This suite of experiments explores the body's muscles, their function and the effects of exercise.

[b]Experiment A:[/b] Students measure the circumference of their upper arm when relaxed and contracted. They then carry out some strength tests to see if there is a relationship between muscle size and muscle strength.

[b]Experiment B:[/b] Students carry out an upper body muscular strength test (straight leg press-up) and a lower body strength test (squat) to find out if there is a difference in the number of repetitions they can manage to do in one minute. They will also measure their sitting and standing height to investigate the relationship between height and muscle strength.

[b]Experiment C:[/b] Students investigate the relationship between power and endurance. They collect and analyse results from an anaerobic power test (vertical jump test) and a muscular endurance test (lunges) to find out more about the difference in properties of muscle fibres.

[b]Experiment D:[/b] Students investigate whether fatiguing one set of muscles affects how a different set of muscles performs. They will do a standard broad jump test, then fatigue their arm muscles by doing bicep curls. They then repeat the broad jump test and compare their results.

Produced by the Wellcome Trust, In The Zone is a major UK initiative inspired by the 2012 Olympic and Paralympic Games. It has been awarded the London 2012 Inspire Mark and is part of Get Set +, the official London 2012 education programme.

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Subject(s)Science, Biology, Practical work
Age14-16
Published2010 to 2019
Published by
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Direct URLhttps://www.stem.org.uk/rx33hb

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