Kinesiology - movement + torque

Question 1

What is the difference between linear movement and rotational movement?

Answer 1

linear - should go up and down
rotational - movement around a joint

Question 2

What is the equation for torque?

Answer 2

torque = force x perpendicular distance from the pivot

Question 3

What increases and decreases when the lever arm gets longer?

Answer 3

• increases torque
• decreases ROM
• decreases joint angular velocity (speed)

Question 4

What is gravitational force (Fg)

Answer 4

weight of object and forearm