Chapter 8 (quiz)
Tonic Contraction
Do not shorten the muscle and are important in maintaining posture
An increased number of blood vessels to the muscle
Endurance training leads to?
Abduction
Moving a part of the body away from the midline of the body is?
Adduction
Moving a part of the body toward the midline of the body?
An increased number of myofilaments
Strength training leads to?
False
T/F Smooth muscle is also called voluntary muscle
True
T/F all muscle specialized in contraction or shortening.
Tendon
The connective tissue that attaches muscle to bone is?
Fascia
The loose connective tissue outside the muscle organs that forms a flexible, sticky "packing material" between the muscles, bone and skin is called?
A threshold stimulus
The minimal level of stimulation required to cause a fiber to contract is called:
Plantar flexion
The movement that is opposite dorsiflexion?
Myosin
The thick myofilament of the skeletal muscle is made of:
Actin
The thin myofilament of the skeletal muscles is made of?
semitendinosus, semimembranosus, biceps femoris
What are the muscles that make up the hamstring muscle?
Dorsiflexion
the term that refers to the ankle and foot movement is
Both Skeletal muscle, cardiac muscle
Striations are found in?
True
T/F Bursae are small, fluid sacs that lie between some tendons and bone
True
T/F Cardiac muscle is found in the heart
True
T/F Skeletal muscle is also called striated muscle
True
T/F The production of heat is a function of the muscular system
True
T/F involuntary muscles are also called visceral muscles
true
T/F tendon anchor muscle to bones
True
T/F there are three muscles that make up the hamstring muscle.
Upper extremities
What part of the body does the pectoralis major move?
The all or none law
When a muscle fiber I'd subjected to a stimulus, it contracts completely. This is called?
Rectus abdominis
Which of the following Is not a muscle that moves the upper extremities?
Urinary system
Which of the following systems do not play a role in body system movement?
Voluntary Muscle
Another name for skeletal muscle is:
Visceral Muscle
Another name for smooth muscle is
Synovial fluid
A bursae is a saclike structure that is filled with?
Bursae
A fluid filled sac that acts as a lubricating structure for muscle movement?
Twitch contraction
A quick, jerky response to a stimulus seen in isolated muscles but is not important in normal muscle activity?
Supination
The hand position when the body is in anatomical position?
Origin
The muscle attachment to the more stationary bone is?
Isometric contractions
The muscle contracts but doesn't shorten, even though an increase in muscle tension does occur. This sentence describes?
Neuromuscular junction (NMJ)
The point of contact between the nerve and the muscle fibers it stimulates is called a?
Isotonic contractions
the muscle contracts and shortens and the insertion end moves toward the point of origin. This describes?
Insertion
the muscles attachment to the more movable bone is called the
the prime mover and synergists must contract
to produce smooth movement at a joint
