EXSS 380 Exam 2 Questions with Correct Answers Latest Update 2025/2026
in the spinalized cat with transected dorsal roots, the velocity of walking gait on a treadmill is
determined by - Answers the amplitude of electrical stimulation of the spinal cord
sensory information from ______ is ensemble coded to provide force sense - Answers Type 1b
afferents and cutaneous receptors
IN which group would we expect to see the largest H-reflex? - Answers Elderly adults
The semicircular canals are sensitive to _____ - Answers Angular acceleration of the head
The ability to maintain the body's COM within a stable base of support refers to ____ - Answers
Static postural control
The response selection stage of information processing takes place in - Answers Short-term
memory (ensemble coding occurs here)
Joint position sense refers to __ - Answers Propriception
Ensemble coding refers to __ - Answers integration of multiple sensory inputs into a single
stream
Which of the following involves the highest level of processing by the CNS? - Answers Long-
latency stretch reflex
Which of the following is an example of an open loop system? - Answers Anticipatory postural
adjustments
Which of the following is an example of a closed loop system? - Answers Autogenic inhibition
A motor control researcher asks subjects to perform two tasks. The primary difference between
the two tasks is that one involves more movement parts than the other. Though the stimulus for
each task is identical, and the subjects are aware of the movement they are to perform, the
researcher notices that the reaction time increase as the number of movement parts
increase.What stage of information processing is most likely influenced by this experimnent? -
Answers Response programming
With mechanical stimulus applied a spinalized cat's paw during the the swing phase of gait
would result in ____ - Answers extensor inhibition and flexor excitation
a lesion/injury to the motor cortex would likely have the greatest effect on which of the
following locomotive functions? - Answers ability to step over an obstacle/ability to step over an
object noted in the visual field
All of the following are invariant features of motor programs except - Answers overall duration
, The utricle is sensitive to __ - Answers Linear acceleration of the head
All of the following are parameters of motor programs except __ - Answers Relative force
The absence of sensory input refers to __ - Answers Deafferentation
Which of the following does not likely involve a central pattern generator? - Answers Postural
control
Which of the following muscles would turn on first during shoulder flexion while standing? -
Answers Soleus
An elbow flexion task is completed over a 100 ms interval during which the biceps brachii is
active for 25 ms. If the overall duration of the activity is increased to 300 ms, for how long would
we expect to see the biceps brachii active? - Answers 75ms
the Central pattern generator for gait is located in ___ - Answers the spinal cord
Which of the following problems would likely be present during gait following lesions/injuries to
the cerebellum? - Answers Ataxia
The key defining characteristic of locomotor activity is __ - Answers Rhythmicity
Injury to the motor cortex would result in __ during gait - Answers Diminished visuo-motor
coordination
Whereas a(n) ___ loop system utilizes peripheral information/feedback, in the generation of
neuromuscular responses, a(n) ___ loop system is preprogrammed in nature - Answers Closed;
open // open loop= preprogrammedclosed loop= uses feedback
A researcher blindfolds subjects and places their knees in 30 degrees of flexion, asks them to
concentrate on the knee angle for 5 seconds, moves their knees to 90 degrees of flexion, and
then asks the subjects to replicate the previous joint angle. He then calculates the difference
between the angle the subjects were supposed to produce and the angle they actually did
produce. What is the researcher assessing? - Answers Proprioception
A researcher measures the quadriceps H-reflex while the muscle is relaxed, and then again
while the hamstrings are active. He finds that the H-reflex amplitude decreases when the
hamstrings are active. What has the researcher demonstrated? - Answers Reciprocal inhibition
An individual walking across campus moves her head upward 10 and to the let 15. Her vetibulo-
occular reflex will cause her eyes to move __ - Answers Downward 10 degrees and to the right
15 degrees
Which of the following describes an individual who possesses mechanical stability in the
absence of functional ability?
in the spinalized cat with transected dorsal roots, the velocity of walking gait on a treadmill is
determined by - Answers the amplitude of electrical stimulation of the spinal cord
sensory information from ______ is ensemble coded to provide force sense - Answers Type 1b
afferents and cutaneous receptors
IN which group would we expect to see the largest H-reflex? - Answers Elderly adults
The semicircular canals are sensitive to _____ - Answers Angular acceleration of the head
The ability to maintain the body's COM within a stable base of support refers to ____ - Answers
Static postural control
The response selection stage of information processing takes place in - Answers Short-term
memory (ensemble coding occurs here)
Joint position sense refers to __ - Answers Propriception
Ensemble coding refers to __ - Answers integration of multiple sensory inputs into a single
stream
Which of the following involves the highest level of processing by the CNS? - Answers Long-
latency stretch reflex
Which of the following is an example of an open loop system? - Answers Anticipatory postural
adjustments
Which of the following is an example of a closed loop system? - Answers Autogenic inhibition
A motor control researcher asks subjects to perform two tasks. The primary difference between
the two tasks is that one involves more movement parts than the other. Though the stimulus for
each task is identical, and the subjects are aware of the movement they are to perform, the
researcher notices that the reaction time increase as the number of movement parts
increase.What stage of information processing is most likely influenced by this experimnent? -
Answers Response programming
With mechanical stimulus applied a spinalized cat's paw during the the swing phase of gait
would result in ____ - Answers extensor inhibition and flexor excitation
a lesion/injury to the motor cortex would likely have the greatest effect on which of the
following locomotive functions? - Answers ability to step over an obstacle/ability to step over an
object noted in the visual field
All of the following are invariant features of motor programs except - Answers overall duration
, The utricle is sensitive to __ - Answers Linear acceleration of the head
All of the following are parameters of motor programs except __ - Answers Relative force
The absence of sensory input refers to __ - Answers Deafferentation
Which of the following does not likely involve a central pattern generator? - Answers Postural
control
Which of the following muscles would turn on first during shoulder flexion while standing? -
Answers Soleus
An elbow flexion task is completed over a 100 ms interval during which the biceps brachii is
active for 25 ms. If the overall duration of the activity is increased to 300 ms, for how long would
we expect to see the biceps brachii active? - Answers 75ms
the Central pattern generator for gait is located in ___ - Answers the spinal cord
Which of the following problems would likely be present during gait following lesions/injuries to
the cerebellum? - Answers Ataxia
The key defining characteristic of locomotor activity is __ - Answers Rhythmicity
Injury to the motor cortex would result in __ during gait - Answers Diminished visuo-motor
coordination
Whereas a(n) ___ loop system utilizes peripheral information/feedback, in the generation of
neuromuscular responses, a(n) ___ loop system is preprogrammed in nature - Answers Closed;
open // open loop= preprogrammedclosed loop= uses feedback
A researcher blindfolds subjects and places their knees in 30 degrees of flexion, asks them to
concentrate on the knee angle for 5 seconds, moves their knees to 90 degrees of flexion, and
then asks the subjects to replicate the previous joint angle. He then calculates the difference
between the angle the subjects were supposed to produce and the angle they actually did
produce. What is the researcher assessing? - Answers Proprioception
A researcher measures the quadriceps H-reflex while the muscle is relaxed, and then again
while the hamstrings are active. He finds that the H-reflex amplitude decreases when the
hamstrings are active. What has the researcher demonstrated? - Answers Reciprocal inhibition
An individual walking across campus moves her head upward 10 and to the let 15. Her vetibulo-
occular reflex will cause her eyes to move __ - Answers Downward 10 degrees and to the right
15 degrees
Which of the following describes an individual who possesses mechanical stability in the
absence of functional ability?
