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Where are Golgi tendon organs located?
at the junction of muscle and tendon
Afferent nerve fibers are also known as:
sensory nerves
Type I muscle fibers are also known as
slow-twitch fibers
Which type of lever is most common in the human body?
3rd class
what muscle design is this?
multipennate
Impairment of the lumbar plexus may make it difficult to cross the legs to donn/doff footwear due to weakness of which muscle?
sartorius
Which term describes multiple muscles working together, but acting in different directions, to produce the same motion?
force couple
The brachial plexus begins with the ventral rami of which spinal nerve roots?
C5-T1
Sensory input passes into the spinal cord via which structure?
Dorsal nerve root
A severe nerve injury that involves interruption of signal to an entire nerve is known as:
neuropraxia
When abducting the arm to catch a baseball, the motion of the arm occurs in which plane?
Frontal plane
A multipolar motor neuron has which of the following characteristics?
multiple dendrites
Motor axons are located on which aspect of the spinal cord?
ventral
What type of joint is found at the wrist (radiocarpal)?
ellipsoid
When explaining to a patient why they might be feeling anxious and tense after sustaining injuries from an automobile accident, it would be beneficial to educate on the general functions of which subsystem of the nervous system?
sympathetic
Which of these statements is true of all neurons?
they contain dendrites and axons
Each individual muscle fiber is surrounded by a connective tissue layer called the:
endomysium
After prolonged wrist immobilization, the wrist is stiff with limited range of motion. This is due to what effect on the surrounding soft tissue?
Adaptive shortening
How many pairs of spinal nerves originate from the spinal cord?
31
Loss of innervation to a muscle causes it to become:
flaccid
Having the ability to identify an object by touch alone is known as:
stereognosis
Muscles that stabilize the origin of a contracting muscle are called:
fixators
While increasing the distance from the axis enhances the mechanical advantage of the applied force, it also _______ its velocity of motion
decreases
This type of tissue is found within the marrow cavity and at the ends of the long bones:
cancellous bone
A lever allows a small force to move a larger force due to:
mechanical advantage
A muscle contraction involving a change in muscle length and joint motion while the muscle lengthens is called
eccentric
What type of joint is found at the wrist (radiocarpal)?
ellipsoid
Which structure connects bone to bone?
ligaments
Which subsystem within the autonomic nervous system is responsible for increasing cardiovascular and respiratory activity in response to external stimulus?
sympathetic
the sciatic nerve is in what plexus?
sacral
The motor planning areas of the brain are located in which lobe?
frontal
Which plane of movement divides the body into inferior and superior portions?
transverse
Which of the following best describes a closed-chain functional movement?
The proximal joints moving in relation to a fixed distal segment
A structure closer to the back of the body than the front could be described as
posterior