Chapter 8 (quiz)

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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


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