Exam 10: The Muscular System

Brian decided to enter a 5- mile race designed to raise money for a class trip. He did not do any preconditioning, nor has he ever jogged before. The morning after the race, Brian had so much pain in both his anterior legs, he was unable to go to school. What caused this pain?

Muscles connecting to the hyoid bone are important for swallowing and speech.

Which of the following muscles is involved in inversion at the ankle joint?

When the term biceps, triceps, or quadriceps forms part of a muscle's name, what does it tell you about the muscle?

Figure 10.2Using Figure 10.2, match the following: -Coracobrachialis.

The is the main chewing muscle.

Figure 10.2Using Figure 10.2, match the following: -Serratus anterior.

Muscles that help to maintain posture are often called synergists.

In emphysema, the lungs become overdistended with trapped air. Effective abdominal breathing is decreased. Describe the muscles involved when breathing becomes an active process, such as a patient who has emphysema.

Figure 10.1Using Figure 10.1, match the following: -Which muscle is used for normal breathing and which additional muscles are used when performing strenuous exercise?

Figure 10.3Using Figure 10.3, match the following: -How can a lever system work at a disadvantage but still be of use to us?

What is the major factor controlling how levers work?

Which of the following muscles is a flexor of the thigh?

Figure 10.3Using Figure 10.3, match the following: -Teres major muscle.

Figure 10.3Using Figure 10.3, match the following: -What muscles are involved in biting and chewing an apple?

The soleus is a synergist of the gastrocnemius during plantar flexion.

The is a synergist of the latissimus dorsi; it extends, medially rotates, and adducts the humerus.

Muscles that help maintain upright posture are fixators.

If L = load, F = fulcrum, and E = effort, what type of lever system is described as LEF?

The supraspinatus is named for its location on the posterior aspect of the scapula above the spine. What is its action?