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Muscle and muscle control

Total questions: 44

Worksheet time: 24mins

Name
Class
Date
1.

Messages are sent as electrical impulses from the brain, they travel down the spinal cord and the branch off into

a)

Motor Neurons

b)

Sarcolemma

c)

Myofibril

d)

fascicles

2.

Reciprocal inhibition is when skeletal muscles work _____.

a)

in isolation

b)

in pairs

c)

involuntarily

d)

none of the above

3.
A ______________________ attach bones to each other at joints.
a)
Ligament
b)
Bone
c)
Joint
d)
Cell
4.
A ______ is a strong connective tissue that attaches muscle to bone.
a)
Tendon
b)
Ligament
c)
Cartilage
5.

The type of muscle contraction where the muscle tenses but no movement ocurs.  

a)

Isometric

b)

Isotonic

c)

Contraction

d)

relaxation

6.

As the athlete lowers the weights, his biceps undergo a(n)

a)

concentric contraction

b)

eccentric contraction

c)

isometric contraction

7.
During the upward phase (pressing) which muscle is undergoing concentric contraction?
a)
biceps
b)
triceps
c)
abdominals
d)
quads
8.
During the downward phase of the squat, which muscle is undergoing eccentric contraction?
a)
quads
b)
hamstrings
c)
abdominals
d)
shoulders
9.
This type of muscle tissue is found only in the heart
a)
Skeletal
b)
Cardiac
c)
Smooth
10.
This type of muscle tissue is found in the walls of hollow organs such as the stomach 
a)
Skeletal
b)
Cardiac
c)
Smooth
11.
Skeletal muscles are attached to the _________.
a)
Stomach
b)
Lungs
c)
Bones
d)
Involuntary Muscles
12.
Holding barbells out in a sustained motion would be a...
a)
Isometric contraction
b)
Isoinertial contraction
c)
Eccentric contraction
d)
Concentric contraction
13.

What is the name of the thick filament that plays a role in muscle contraction?

a)

Actin

b)

Sarcomere

c)

Myosin

d)

Myofibril

14.

What is the name of the thin filament that plays a role in muscle contraction?

a)

Actin

b)

Sarcomere

c)

Myosin

d)

Myofibril

15.

True or False. Muscles must be stimulated by a nerve (motor neuron) to contract.

a)

True

b)

False

16.
Muscles give us shape and help us maintain good posture?
a)
True
b)
False
17.

The largest muscle in the body is the

a)

gluteus medius

b)

gluteus maximus

c)

gluteus minimus

d)

buccinator

18.

What are the parts of the skeletal muscle?

a)

Point of entry, point of exit and point of contact

b)

Point of origin, point of insection and the body of the muscle

c)

Point of origin, point of end and the body of the muscle

d)

Body of the muscle, tendons and bones

19.
What are the 3 types of muscles?
a)
Skeletal, muscular, ligament
b)
Skeletal, smooth, cardiac
c)
Smooth, Cellular, Cerebrum
d)
Cardiac, smooth, brain stem
20.
Smooth muscle and cardiac muscle are considered _____ muscles because we can’t control them consciously.
a)
Immovable
b)
Involuntary
c)
Skeletal
d)
none of the above
21.

Name the following in order from largest to smallest:

a)

muscle, muscle fascicle, myofibril, myofilaments

b)

muscle, muscle fascicle, myofilaments, myofibril

c)

muscle, muscle fascicle, myofibril, myofilaments

d)

muscle, muscle fascicle, myofilaments, myofibril

22.

What muscle is the arrow pointing toward?

a)

biceps

b)

traps

c)

pecs

d)

triceps

23.

What muscle is the arrow pointing to?

a)

Biceps

b)

Triceps

c)

Lats

d)

Quads

24.

What muscle is the arrow pointing to?

a)

Pectoralis (Pecs)

b)

Biceps

c)

Triceps

d)

Lats

25.
a)
Trapezius
b)
Gluteals
c)
Deltoid
d)
Hamstring
26.

Agonists

a)

Are the muscles that contract and shorten, and produce the movement.

b)

Are the muscles that lengthens (relaxes). This muscle also slightly contracts to ‘slow down’/control movement

27.

Antagonists

a)

Are the muscles that contract and shorten, and produce the movement.

b)

Are the muscles that lengthens (relaxes). This muscle also slightly contracts to ‘slow down’/control movement

28.

Identify the Trapezius

a)
b)
c)
d)
29.

Identify the Triceps Brachii

a)
b)
30.

Identify the Latissimus Dorsi

a)
b)
c)
d)
31.

Identify the External Obliques

a)
b)
c)
d)
32.

Identify the Rectus Abdominis

a)
b)
c)
d)
33.

Identify the Gluteus Maximus

a)
b)
c)
d)
34.

Identify the Quadriceps

a)
b)
35.

Identify the Gastrocnemius

a)
b)
36.
a)

Tibialis Anterior

b)

Gastrocnemius

c)

Achilles tendon

d)

Quadriceps

37.
The 'All or Nothing Principle' relates to.....
a)

All motor units in a muscle

b)

All muscle fibres in a motor unit contracting once a certain threshold is reached

c)

Each individual muscle fibre.

38.
A single neuron and all the muscle fibers it stimulates make up a(n) _______.
a)
motor unit
b)
motor neuron
c)
axon
d)
neuromuscular junction
39.

All skeletal muscle is made up of bundles of muscle fibres called

a)

muscle fibers

b)

myofibrils

c)

myofilaments

d)

fascicles

40.

The increase in muscle tension that is produced by increasing the number of active motor units is called

a)

recruitment.

b)

•complete tetanus.

c)

incomplete tetanus.

d)

wave summation

41.
•In which of the following would the motor units have the greatest number of muscle fibers?
a)
finger muscles
b)
•muscles that control the eyes
c)
hand muscles
d)
•postural muscles of the back
42.

The contraction of a muscle exerts a pull on a bone because

a)

muscles are attached to bones by ligaments

b)

muscles are directly attached to bone

c)

muscles that are attached to bones by tendons

d)

All of the above are correct

43.

Which of the following is INCORRECT about motor units in skeletal muscle?

a)

One neuron activates ALL the fibers in the motor unit

b)

Motor units are the same size in each muscle

c)

If one fibre in a muscle contracts, the rest will contract

44.

One motor neuron only stimulates ...

a)

a small portion of the muscle

b)

the whole muscle

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