The largest force that a muscle or group of muscles can produce is called muscular strength.
An example of muscular strength would be the heaviest weight that someone can lift in a single bench press.
Intro
With a partner discuss which muscle in the human body you think is the strongest.
Muscular strength depends on the size of muscles but also on the way the brain controls the muscle.
Speed
Speed means how quickly something can move.
A shot putter with low muscular strength would not be able to throw the shot very far.
It is measured by how far something travels in a certain amount of time. For instance, a world- class male sprinter can run 100m in 10 seconds. This means they cover 10m every second. Their speed is 10 metres per second.
In some sports or activities, it is important that the whole body moves quickly.
In races, such as slalom downhill skiing and sprinting, speed is vital.
This gymnast needs very high levels of upper body muscular strength to lift and support their body weight.