Movement analysis: Levers and muscle fibers

The load during the upwards phase of a bicep curl is the:

• Biceps

• Triceps

• Dumbbell

• Weight of the body

What is a fulcrum in the human body?

• The mass or resistance that the body is carrying

• The point in which the muscle inserts

• A joint: where two or more bones meet allowing movement

This is an example of which lever system?

• First class

• Second class

• Third class

Label the components of this lever system

Label the components of this lever system

What is the lever arm in the human body?

• A muscle

• A bone

• A tendon or ligament

• A joint

A type 1 muscle fiber is red in colour and has lots of:

(a)  

A type 2a muscle fiber contracts:

• Very powerfully

• More powerfully than type 1 but less than type 2x

• Slowly

• Quicker than type 1 and type 2x

The most important muscle fiber for Usain bolt in the 100m is:

• Type 1

• Type 2a

• Type 2x

The type 1 muscle fiber is important for a midfielder because:

• It enables them to overtake their opponent to get to the ball

• It enables them to have enough power to kick the ball

• They prevent fatigue in the legs when running, allowing them to sustain a relatively high intensity throughout the game

• It isn't as important as the type 2x