Biomech Recap

During a heel raise, what acts as the main fulcrum?

• Toes

• Heel

• Ankle

• Knee

What is necessary to identify a lever’s classification?

• Measuring the length of the lever

• Simplifying the body parts into the fulcrum, load, and effort

• Calculating the weight of the load

• Determining the material of the lever

In the example of using a paddle while canoeing, what represents the fulcrum?

• The other wrist at the top

• The water

• The pulling hand

• The oar blade

What is a key misconception with effort in muscular attachment?

• Tendons attach bone to muscle

• Muscles attach directly to bones

• Effort occurs where muscle attaches to the body

• Muscles do not require tendons

What do tendons attach?

• Bone to bone

• Muscle to bone

• Muscle to muscle

• Bone to skin

Which class of lever has the fulcrum in the middle?

• Class 1

• Class 2

• Class 3

Which class of lever has the load in the middle?

• Class 1

• Class 2

• Class 3

Which class of lever has the effort in the middle?

• Class 1

• Class 2

• Class 3

How does the transverse axis run through the body?

• Anterior (back) to posterior (front)

• Superior (top) to inferior (bottom)

• Medial (middle) to lateral (outside)

How does the longitudinal axis run through the body?

• Anterior (back) to posterior (front)

• Superior (top) to inferior (bottom)

• Medial (middle) to lateral (outside)