What part of the muscle attaches to the moveable bone?
ligaments
sarcolemma
sarcopenia
tendons
What is the most important muscle in inspiration?
inter costals
Diaphragm
rectus abdominus
serratus
A muscle cell is which of these?
epimysium
Fiber
fascicle
Your kissing muscle is called the ________ _______.
Orbicularis oris
Whatever one muscle does, other muscles can ___________.
reverse, or undo
Which muscle is your smiling muscle?
Zygomaticus
What are some muscle functions?
helps maintain blood pressure, and squeezes substances through organs Cardiac muscle is responsible for coursing the blood through the body Skeletal muscles are
What defines one motor unit?
A neuron and all the muscles that it stimulates.
Where is the only place that cardiac muscle occurs?
in the heart
A muscle has the ability to receive and respond to a stimulus this is called_________.
contractility
irritability
extensility
_________ – attachment to the movable bone.
Insertion
Where the neuron and muscle cell meet is called the __________.
axon
ganglia
synapse
dendrite
Which of these muscle arrangements is the pectoralis major muscle?
bipennate
pennate
convergent
circular
Skeletal muscles work together or in _________.
Opposition
__________- Add force to a movement Reduce undesirable or unnecessary movement
synergists
Women’s skeletal muscle makes up __% of their body mass
36
___________– muscles that have the major responsibility for causing a particular movement
Prime movers
Where is smooth muscle found?
Found in the walls of hollow visceral organs, such as the stomach, urinary bladder, and respiratory passages
Men’s skeletal muscle makes up ___% of their body mass
42
Most anterior muscles in the upper limb are _______.
Flexors
The _______ ________ is a large flat muscle that covers the lower back.
frontal
trapezius
sternocleidomastoid
Latissimus dorsi
What are four characteristics of skeletal muscle?
Excitability, Contractility, extensibility and elasticity
Smooth muscle is an _________ movement.
Involuntary
A third class lever example is?
arm curls
Muscles can be named after several things, name several of those.
location, shape, size, direction of fibers, origins, action of muscle
Quadriceps group – powerful ________ Consists of __ muscles
Flexors, 3
Extensors, 4
_________ – synergists that immobilize a bone or muscle’s origin
Fixators
What is another name for chewing?
Mastication
Superficial muscle of the hip that forms most of the flesh of the butt
Gluteus Maximus
The____________ states that the sarcomere shortens when thin and thick myofilaments slide past each other.
Sliding filament theory
_____________ – muscle plasma membrane
Sarcolemma
All muscles have at least ____ attachments.
6
2
8
4
________ – attachment to the immovable bone.
Origin
Most posterior muscles in the upper limb are _________.
Flexors
neither
strong
Extensors
Which muscle is a fleshy, triangular shaped muscle that forms the rounded shape of your shoulders?
Deltoid
tricep
trapezius
Latissimus dorsi
By age _____ , _____% of muscle mass is lost (sarcopenia)
80, 50%
Cardiac muscle is ________. (voluntary or involuntary)
Involuntary
Muscles only ______.
Pull
___________ – muscles that oppose or reverse a particular movement
Antagonists
Sole extensor of the knee is the ________ ________.
semimembranosus
semitendinosus
Quadriceps femoris
Bicep femoris
___________ – prime mover for plantar flexion of the foot Superficial calf muscle.
Gastrocnemius
Quadricep
trapezius
soleus
The _______ _________ are the prime movers for forearm flexion.
Biceps brachii
_________ muscles flex the knee, and are antagonists to the quadriceps femoris
Hamstring
Quadricep
Pectoralis
Deltoid
With more muscle mass, men are generally _________ than women
uglier
stronger (sorry girls)
less intelligent
weaker
What are the three types of muscle?
Smooth, cardiac and skeletal
What are the two myofilaments that work to move muscle?
Actin, myosin
What is sarcopenia?
extra muscle
something weird
too much sarco
loss of muscle mass
The _______ _______Allows you to close your eyes, squint, blink, and wink
Orbicularis oculi
How many heads does the triceps have?
3
___________ – cytoplasm of a muscle cell
Sarcoplasm
Which muscle is diamond shaped and extends the head; elevates, depresses, and adducts and stabilizes the scapula?
Trapezius
pectoralis
Latissimus dorsi
deltoid
Which muscle is the Prime mover of elbow extension?
forearm flexors
Deltoid
Triceps brachii
Biceps brachii
second class lever example is?
calf raises
The ________ __________ is a Large fan-shaped muscle and is responsible for adducting and flexing the arm.
deltoid
bicep
pectoralis minor
Pectoralis major
First class lever example is?
moving your head backwards
Muscle movements generate _________.
Heat
There are _____ skeletal muscles.
somewhere between 650 and 700
nobody really knows
600
555
The _________ muscle Allows you to raise your eyebrows and wrinkle your forehead
Frontalis
Regular ________ reverses sarcopenia
exercise
When a muscle contracts the ________ moves towards the ______.
insertion, origin
What is the all or none law for muscles?
When a muscle contracts, it contracts completely not partially
Which of the following is not a function of muscle?
allows facial expressions
gives structure
posture
movement
Your experience on this site will be improved by allowing cookies.