Muscular and Skeletal System

What is concentric contraction?

A type of muscular contraction where the muscle shortens under tension.

Give a sporting example of concentric contraction

The bicep brachii in the upwards phase of a bicep curl

Give a sporting example of an eccentric contraction

The bicep brachii during the downwards phase of a pull-up

Name the three types of joint

Ball and Socket, Hinge, Condyloid

What planes of movement does the Ball and Socket joint move on?

Frontal, Transverse and Saggital

What planes of movement does the Hinge joint move on?

Saggital

What planes of movement does a Condyloid joint move on?

Frontal and Saggital

Give an example of a Ball and Socket joint

Shoulder or Hip

Give an example of a Hinge joint

Elbow, Knee or Ankle

Give an example of a Condyloid joint

Wrist

Name the three muscle fibre types

Slow Oxidative, Fast Oxidative Glycolytic, Fast Glycolytic

Describe the structure of a motor unit

A motor unit is made up of a motor neuron and a group of muscle fibres