Electromyograpgy, Joint movements

What is electromyography (EMG)?

• The study of electronic devices

• The process of measuring electrical activity in muscles

• The analysis of electromagnetic fields

• The examination of energy flow in circuits

Which of the following statements best describes electromyography?

• It is a technique for visualizing brain activity using magnetic fields

• It is a method used to diagnose heart diseases

• It is a procedure to measure the electrical activity of muscles

• It is a process of studying the electrical properties of the Earth's atmosphere

What type of signals does electromyography primarily measure?

• Sound waves

• Light waves

• Electrical signals

• Magnetic fields

What is a common application of electromyography?

• Monitoring heart rate

• Measuring bone density

• Assessing lung capacity

• Evaluating muscle function

In which field is electromyography frequently used?

• Geology

• Astronomy

• Biomechanics

• Psychology

Which of the following is a characteristic of synovial joints?

• They are immovable joints

• They are connected by fibrous tissue

• They have a joint cavity filled with synovial fluid

• They are found only in the skull

Which type of synovial joint allows for movement in only one plane?

• Pivot joint

• Hinge joint

• Ball-and-socket joint

• Saddle joint

Which synovial joint allows for the greatest range of motion?

• Hinge joint

• Pivot joint

• Ball-and-socket joint

• Gliding joint

The knee joint is an example of which type of synovial joint?

• Pivot joint

• Hinge joint

• Ball-and-socket joint

• Gliding joint

Which of the following ligaments provides stability to the shoulder joint?

• Medial collateral ligament

• Anterior cruciate ligament

• Glenohumeral ligament

• Posterior cruciate ligament