Chapter 10 Part 8 (fill in the blank) Flashcards Preview

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Flashcards in Chapter 10 Part 8 (fill in the blank) Deck (11):
1

________ is a powerful forearm extensor.

Triceps brachii

2

The ________ is known as the boxer muscle.

serratus anterior

3

The ________ runs deep to the external oblique.

internal oblique

4

The ________ helps keep food between the grinding surfaces of the teeth during chewing.

buccinator

5

The ________ tightens the neck and draws the corners of the mouth downward as in expressing horror.

platysma

6

The ________ is the main chewing muscle.

masseter

7

What are the components of a lever system? Describe the role of each component.

The lever system components are: lever, fulcrum, effort, and load.
The lever is a rigid bar that moves on a fixed point (the fulcrum) when a force is applied to it.
The applied force, or effort, is used to move a resistance, or load.

8

The abnormal protrusion of the small intestine through a weak point in the muscle of the abdominal wall is called a ________.

hernia

9

The quadriceps femoris is composed of three "ʺvastus"ʺ muscles and the ________.

rectus femoris

10

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

teres major

11

The ________ extends the great toe.

extensor hallucis longus