Exam 22: Muscle Physiology

What controls the force of muscle contraction?

Which type of lever is demonstrated by using scissors?

A tracing of the muscle's electrical activity is an ________.

The main effect of treppe, as the muscle contraction increase in strength, is to ________.

ATP is used for ________ in muscle contraction.

What type of muscle contraction occurs while you are holding a book?

What is the major factor controlling how levers work?

If L=load, F=fulcrum, and AF=applied force, what type of lever system is described as LAFF?

Most muscle work is accomplished by ________.

In an isotonic contraction, the muscle ________.

Most lever systems in the human body are ________.

The strongest muscle contractions are normally achieved by ________.

The measurement of power is ________.

The warm-up period required of athletes in order to bring their muscles to peak performance is called ________.

A(n) ________ muscle contraction occurs when the muscle length is relatively constant, but the muscle tension changes.

What are sensors that are placed on the skin to detect the electrical activity by a muscle?

The ________ phase of muscle contractions occurs as AChE inactivates ACh and calcium ions are returned to the sarcoplasmic reticulum.

Which ion flows into the cell during depolarization?

Immediately following the arrival of a stimulus at the skeletal muscle cell there is a short period called the ________ period during which the events of excitation-coupling occur.

Muscle and nerve tissues produce electrical impulses called ________.