CHAPTER 8 TEST (MUSCULAR SYSTEM)
The term that refers to ankle and foot movements is ________
Dorsiflexion
Smooth muscle is also called voluntary muscle
False
The loose connective tissue outside the muscle organs that form a flexible, sticky "packing material" between the muscles, bones, and skin is called ________
Fascia
The muscle attachement to the more movable bone is called the ________
Insertion
All muscles specialize in contraction or shortening
True
Bursae are small fluid-filled sacs that lie between some tendons and bones
True
Cardiac muscle is found in the heart
True
Tendons anchor muscles to bones
True
The production of heat is a function of the muscular system
True
There are 3 muscles that make up the hamstring muscles
True
Which of the following systems do not play a role in body movement (nervous, respiratory, circulatory, urinary)
Urinary system
Moving a part of the body away from the midline of the body is called __________
abduction
When a muscle fiber is subjected to a stimulus, it contracts completely. This is called _________
all or none law
A fluid filled sac that acts as a lubricating structure for muscle movement is a(n) ________
bursae
Tonic contractions _________
do not shorten the muscle and are important in maintaining posture
The movement that is opposite dorsiflexion is _________
plantar flexion
Which of the following muscles is not a muscle that moves the upper extremities (biceps brachii, triceps brachii, latissimus dorsi, rectus abdominis)
rectus abdominis
Striations are found in __________
skeletal and cardiac muscle
The hand position when the body is in anatomical position is _________
supination
The connective tissue that attaches muscle to bone is called ________
tendons
The thick myofilament of the skeletal muscles is made of __________
Myosin
Skeletal muscle is also called striated muscle
True
Smooth muscles are also called visceral muscles
True
Endurance training leads to _________
an increased number of blood vessels to the muscle
Strength training leads to ________
an increased number of myofilaments
The muscle contracts but does not shorten, even though an increase in muscle tension does occur. This sentence describes ___________
isometric contractions
The muscle contracts and shortens and the insertion end moves toward the point of origin. This sentence describes __________
isotonic contractions
A bursae is a saclike structure that is filled with ________
synovial fluid
The thin myofilament of the skeletal muscles is made of ___________
Actin
Moving part of the body toward the midline of the body is called _________
Adduction
The minimal level of stimulation required to cause a fiber to contract is called ___________
A threshold stimulus
The point of contact between the nerve and the muscle fibers it stimulates is called a ___________
neuromuscular junction
The muscle attachment to the more stationary bone is called the _________
origin
To produce smooth movement at a joint ________
the prime mover and synergists must contract
____________ is a quick, jerky response to a stimulus seen in isolated muscles but is not important in normal muscle activity
twitch contraction
What part of the body does the pectoralis major move
upper extremities
Another name for smooth muscle is _________
visceral muscle
Another name for skeletal muscle is ________
voluntary muscle