Chapter 3 Flashcards
Which of the following is NOT a function of skeletal muscle?
Transmission of Nervous signals from brain
True or False? Third-class levers are the most common type of lever in the human body
True
*True or False? Skeletal muscle is the only muscle type is under voluntary control
True
*Which of the following muscle fiber types is feather-shaped?
Pennate
Which of the following skeletal muscle properties allows the muscle to return to its original shape after shortening or lengthening?
Elasticity
*True or False? The thicker a muscle’s cross-sectional area, the less force production it can generate
False
*Based on its name, we can guess that which of the following is a large muscle in the chest area?
Pectoralis Major
*Which of the following is an example of a fusiform muscle?
Biceps Brachii
*Which type of muscle is responsible for creating joint movement and is known as the ‘prime mover”?
Agonist
True or False? Mechanoreceptors are proprioceptors located in the inner ear that provide feedback about head position
False
*The point where the epimysium, or deep layer of fascia, converges to form a tendon is known as which of the following
Musculotendinous Junction
A sphincter muscle is an example of which type of muscle fiber arrangement?
Circular
*True or False? Active range of motion occurs when the client rests while the therapist moves a joint through its possible movements
False
Based on its name, we can guess that which of the following is a three-headed muscle in the arm?
Triceps Brachii
*In which type of muscle contraction is muscle length unchanged?
Isometric
Individual muscle cells are known as which of the following?
Fibers
Which type of muscle fiber resists fatigue, relies on aerobic energy production, and is best for endurance activities?
Slow twitch
*The theory that explains how an action potential leads to muscle contraction is which of the following?
Sliding filament theory
*Which of the following skeletal muscle properties allows shortening and thickening of the muscle in response to a specific stimulus?
Contractility
*Which muscle tissue type is unique in that the electrical impulse needed for fiber contraction travels from cell to cell?
Cardiac
