Question 1

Which of the following statements reflects the appropriate view of the spatial and temporal control underlying the performance of an asymmetric bimanual action?

Accepted Answer

A)   The two arms prefer to move independently of each other
B)   The two arms prefer to move together as one unit
C)   The preferred arm always dominates the other arm
D)   The two arms cannot perform an asymmetric bimanual action B

Question 2

The ratios of number of arm swings to leg swings for walking and running are both 1:1 (i.e., one arm swing for one leg swing).

Accepted Answer

A) True 
 B)False  False

Question 3

When a person walks or runs, an essential goal of the motor control system is the maintenance of head _______.

Accepted Answer

stability

Question 4

One of the current views of how we control prehension is that the transport and grasp phases function:

Accepted Answer

A)   As one unit
B)   Synergistically
C)   As two motor programs
D)   Independently

Question 5

Gait transitions, from walking to running and running to walking, occur at the same speed for all people.

Accepted Answer

A) True 
 B)False

Question 6

The playing of a guitar is a good example of performing:

Accepted Answer

A)   An asymmetric bimanual skill
B)   A symmetric bimanual skill
C)   A prehension skill
D)   A manual aiming skill

Question 7

The term used to describe a bimanual coordination task that requires the two hands to simultaneously perform movements that have the same spatial and temporal characteristics is ________.

Accepted Answer

The answer of The term used to describe a bimanual...

Question 8

That a person can adapt their handwriting to different surfaces, sizes, forces, etc., is an example of what Bernstein referred to as motor ________.

Accepted Answer

The answer of That a person can adapt their handwriting...

Question 9

When you reach to grasp an object, which of the following describes when the fingers begin to close?

Accepted Answer

A)   At a consistent percentage of the total movement time
B)   At a point that depends on the total movement time
C)   At a point just before contact with the object
D)   At contact with the object

Question 10

In a two-hand aiming task in which the right hand must move to a target that has an ID of 4, and the left hand must simultaneously move to a target that has an ID of 2, when will each hand arrive at the target?

Accepted Answer

A)   The right hand will arrive much earlier than the left hand
B)   The left hand will arrive much earlier than the right hand
C)   The two hands will arrive at approximately the same time
D)   The preferred hand will arrive first regardless of the ID

Question 11

The serve in tennis is a good example of an asymmetric bimanual skill.

Accepted Answer

A) True 
 B)False

Question 12

Although Fitts' law is based on manual aiming tasks, research has shown that it applies to prehension actions as well.

Accepted Answer

A) True 
 B)False

Question 13

Consider the following two prehension situations: a person reaches to pick up a cup to: (a) drink from it; (b) move it to a different location on the table. The kinematic characteristics of the transport phase for these two situations would:

Accepted Answer

A)   Be similar
B)   Be different
C)   Depend on the characteristics of the cup
D)   Not be predictable

Question 14

The three phases of prehension are called the transport phase, the grasp phase, and the ________ phase.

Accepted Answer

The answer of The three phases of prehension are called...

Question 15

During the preparation phase of putting a key in a keyhole, you use vision to assess the regulatory conditions.

Accepted Answer

A) True 
 B)False

Question 16

A predominant view of gait control is that at the nervous system level, gait is controlled by central pattern ________.

Accepted Answer

The answer of A predominant view of gait control is...

Question 17

Central pattern generators, which are involved in the control of gait, are thought to be located primarily in the brain.

Accepted Answer

A) True 
 B)False

Question 18

Fitts' Law specifies that performance will show a speed-accuracy trade-off in a rapid manual aiming task according to the relationship between which two characteristics of the task?

Accepted Answer

A)   Distance to move and target size
B)   Distance to move and movement speed
C)   Target size and movement speed
D)   Target size and type of target

Question 19

The Index of Difficulty (ID) that can be derived from Fitts' law demonstrates that the same task can have various levels of difficulty and the same amount of:

Accepted Answer

A)   Movement speed
B)   Response choices
C)   Complexity
D)   Performance variability

Question 20

The "atypical" posture and gait characteristics we often observe in children and adults with cerebral palsy can be related to strategies the individuals have developed in order to maintain a stable head position during locomotion.

Accepted Answer

A) True 
 B)False

Exam 7: Performance and Motor Control Characteristics of Functional Skills

Which of the following statements reflects the appropriate view of the spatial and temporal control underlying the performance of an asymmetric bimanual action?

The ratios of number of arm swings to leg swings for walking and running are both 1:1 (i.e., one arm swing for one leg swing).

When a person walks or runs, an essential goal of the motor control system is the maintenance of head _______.

One of the current views of how we control prehension is that the transport and grasp phases function:

Gait transitions, from walking to running and running to walking, occur at the same speed for all people.

The playing of a guitar is a good example of performing:

The term used to describe a bimanual coordination task that requires the two hands to simultaneously perform movements that have the same spatial and temporal characteristics is ________.

That a person can adapt their handwriting to different surfaces, sizes, forces, etc., is an example of what Bernstein referred to as motor ________.

When you reach to grasp an object, which of the following describes when the fingers begin to close?

In a two-hand aiming task in which the right hand must move to a target that has an ID of 4, and the left hand must simultaneously move to a target that has an ID of 2, when will each hand arrive at the target?

The serve in tennis is a good example of an asymmetric bimanual skill.

Although Fitts' law is based on manual aiming tasks, research has shown that it applies to prehension actions as well.

Consider the following two prehension situations: a person reaches to pick up a cup to: (a) drink from it; (b) move it to a different location on the table. The kinematic characteristics of the transport phase for these two situations would:

The three phases of prehension are called the transport phase, the grasp phase, and the ________ phase.

During the preparation phase of putting a key in a keyhole, you use vision to assess the regulatory conditions.

A predominant view of gait control is that at the nervous system level, gait is controlled by central pattern ________.

Central pattern generators, which are involved in the control of gait, are thought to be located primarily in the brain.

Fitts' Law specifies that performance will show a speed-accuracy trade-off in a rapid manual aiming task according to the relationship between which two characteristics of the task?

The Index of Difficulty (ID) that can be derived from Fitts' law demonstrates that the same task can have various levels of difficulty and the same amount of:

The "atypical" posture and gait characteristics we often observe in children and adults with cerebral palsy can be related to strategies the individuals have developed in order to maintain a stable head position during locomotion.