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Micro
anatomy
Macro
anatomy
Function
Human
muscles
arms/legs
Human
muscles
head/trunk
Muscle
types
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200
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Contractile units aligned end-toend along the length of myofibrils
(areas between Z lines).
A 100
What are sarcomeres?
A 100
A protein that composes the
thick filaments of a
sarcomere.
A 200
What is myosin?
A 200
Three proteins found in the
thin filaments of sarcomeres.
A 300
What are actin, troponin, &
tropomyosin?
A 300
The interconnecting tubules
and sacs of this surround each
myofibril and store calcium
for release on demand when
the muscle fiber is stimulated.
A 400
What is sarcoplasmic
reticulum?
A 400
Fingerlike extensions of this
structure called T-tubules go deep
into the muscle fiber and are in
close contact with the sarcoplasmic
reticulum.
A 500
What is sarcolemma?
A 500
Connective tissue covering
surrounding individual
muscle fibers.
B 100
What is endomysium?
B 100
A bundle of muscle fibers
surrounded by perimysium.
B 200
What is a fascicle?
B 200
Strong, cordlike structures connected
to bone that blend into the epimysium
covering whole muscle.
B 300
What are tendons?
B 300
Bundles of fascicles
surrounded by epimysium.
B 400
What is a muscle?
B 400
A term used in muscle names
to indicate the fibers run
vertically.
B 500
What is “rectus” ?
B 500
Muscles produce movement,
maintain posture, stabilize
joints, and generate _______.
C 100
What is heat?
C 100
Where the axon of a neuron
and the sarcolemma come in
close contact.
C 200
What is neuromuscular
junction?
C 200
When an electrical nerve impulse
reaches the axon terminal, it is converted
to this chemical neurotransmitter which
crosses the synaptic cleft and attaches to
receptors on the sarcolemma.
C 300
What is acetylcholine (Ach)?
C 300
DAILY
Place A Wager
DOUBLE
C 400
ACh causes an imbalance of ions on
the inside and outside of the
sarcolemma, which begins this
electrical disturbance that travels the
entire sarcolemma.
C 400
What is an action potential?
C 400
The action potential traveling
down the sarcolemma
stimulates the release of this
from the sarcoplasmic
reticulum.
C 500
What is/are calcium ions,
Ca+?
C 500
An antagonist to the biceps
brachii.
D 100
What is the triceps brachii?
D 100
The prime mover for flexing
the thigh and for extending
the lower leg
D 200
What is rectus femoris?
D 200
Types of muscles that
stabilize joints.
D 300
What are fixators?
D 300
Muscle that originates on the
scapula and clavicle, inserts
on the humerus, and raises
(abducts) the arm overhead.
D 400
What is the deltoid?
D 400
This bulky muscle originates
on the distal end of the femur,
lies dorsal to the tibia, and
inserts on the calcaneus.
D 500
What is the gastrocnemius?
D 500
Muscle that originates on the
pubis, inserts on the sternum
and ribs, and is commonly
known as a “six pack”
E 100
What is the rectus
abdominus?
E 100
Diamond shaped muscle on the back
and neck that extends the neck and
elevates, depresses, & adducts the
scapula.
E 200
What is the trapezius?
E 200
Muscle that has circular
fibers and is often called the
“kissing” muscle.
E 300
What is the orbicularis oris
E 300
Muscle that originates on the
sternum & clavicle and
inserts on the mastoid process
of the temporal bone.
E 400
What is the
sternocleidomastoid?
E 400
Muscle that adducts and
flexes (moves in front of you)
the humerus.
E 500
What is the pectoralis major?
E 500
Voluntary muscles that show
striations, found on bones.
F 100
What are striated/skeletal
muscles?
F 100
Muscle that is striated but
involuntary. Located only in
the heart.
F 200
What is cardiac muscle?
F 200
Smooth muscle is
involuntary, not striated, and
can be found mainly in the
walls of these.
F 300
What are hollow visceral
organs such as stomach,
intestines, & bladder?
F 300
This type of muscle has
multiple nuclei in each cell
(fiber).
F 400
What is striated/skeletal
muscle?
F 400
This type of muscle has
intercalated discs joining
branched cells (fibers).
F 500
What is cardiac muscle?
F 500
The Final Jeopardy Category is:
Muscle function
Please record your wager.
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This provides the energy to release and
recock each myosin head so it can
attach to the next actin binding site and
repeat again and again, causing the
thick and thin filaments to slide past
each other and the sarcomere to shorten
in length.
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ATP
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