Kin 480 Review for Exam #1

True or False: If the coefficient of friction is small, you are more likely to slip.

True or False: Joint motion is angular

To increase balance, one does which of the following?

Eccentric forces:

The machine like function for third class lever systems is and is due to:

What is mechanical advantage?

Third class levers:

While driving, turning your head around to look out of your rear window is motion in the plane, about the _ axis.

Motion in the frontal plane takes place about which axis?

Length of Lever arms

An example of a kinematic study is _________________

Why are 2nd class lever systems considered to have a machine like function that enhances force production?

Elbow extension where the triceps applies force to the olecranon process in extending the non-supported forearm at the elbow is an example of which type of lever?

As you push down and backwards on the ground, the ground does which of the following back in accordance to which law?

True or False: In anatomical position, all joints are in a neutral joint angle?

The three classification of joints are:

Fast twitch muscle fibers are..

Regarding the length/tension relationship, does muscle produce the most force while short, while very lengthened, or while slightly lengthened past resting length

Bi-articular muscles…

The most mobile type of joint in the body is…

Which of the following are true about diarthrodial joints?

How many degrees of freedom do gliding joints have?

Tell me the relationship between joint ROM and joint stability

The functional unit of the muscle is the…

The outer most layer of a muscle is…

Eccentric Contraction

Action and Myosin…

A person slowly bends over forward at the trunk (trunk flexion in the sagittal plane). What type of contraction is occuring in the trunk extensors?