Fundamentals of Biomechanics

Question 1

Biomechanics

Answer 1

science concerned with internal and external forces acting on the body.

Question 2

Force

Answer 2

influence applied by one object to another, accelerates or decelerates the second object.

Question 3

Torque

Answer 3

a force that produces rotation. The closer the load to the point of rotation, the less torque it creates (i.e., bent arm is easier than straight arm

Question 4

Lever

Answer 4

rigid “bar” that rotates around a stationary fulcrum.

Question 5

First class lever

Answer 5

fulcrum in middle (nodding head)

Question 6

second class lever

Answer 6

resistance in the middle (calf raise)

Question 7

Third class lever

Answer 7

effort in the middle (biceps curl); most common in human limbs.