Flashcards in Chapter 10 Part 8 (fill in the blank) Deck (11):
________ is a powerful forearm extensor.
The ________ is known as the boxer muscle.
The ________ runs deep to the external oblique.
The ________ helps keep food between the grinding surfaces of the teeth during chewing.
The ________ tightens the neck and draws the corners of the mouth downward as in expressing horror.
The ________ is the main chewing muscle.
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.
The abnormal protrusion of the small intestine through a weak point in the muscle of the abdominal wall is called a ________.
The quadriceps femoris is composed of three "ʺvastus"ʺ muscles and the ________.
The ________ is a synergist of the latissimus dorsi; it extends, medially rotates, and adducts the humerus.