Biomechanics Final Exam Questions and Answers

Biomechanics Final Exam




Kinematics - Answer-Study of motion of objects or segments without reference to what caused the
motion



Kinetics - Answer-Describes what causes motion



Linear motion describes

a. rotary

b. translatory

c. general - Answer-Translatory



Angular motion describes

a. rotary

b. translatory

c. general - Answer-Rotary



A combination of linear and angular motion describes

a. rotary

, b. translatory

c. general - Answer-general



Force - Answer-Integration of objects that produces a change in the state of motion



What are the four major components of force? - Answer-Point of application

Line of action

Magnitude

Direction



There are two types of forces. What are they called? - Answer-Contact(friction) and non-
contact(gravity)



What is the ground reaction how many components does it have? - Answer-The reaction force provided
by the ground when someone is moving across it.

Vertical, Anterior-Posterior, Medial-Lateral



Joint reaction force - Answer-Net forces acting across a joint



Friction - Answer-results in an interaction between two surfaces and is a force parallel to the interface
of the surface but in the opposite direction



Muscle force - Answer-pull of a muscle on its attachment site which causes motion in a joint



Torque - Answer-The product of the perpendicular distance of the line of action with the force applied