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Questions and Answers
Why is goal-directed and coordinated movement inherently variable?
Why is goal-directed and coordinated movement inherently variable?
- Because there is only one way to achieve the intended movement goal
- Due to limited degrees of freedom (DOF)
- Because synergies do not vary
- As there are many ways of coordinating body parts to achieve the intended movement goal (correct)
What is motor coordination in physiology?
What is motor coordination in physiology?
- The adjustment of sensory feedback
- The movement of multiple body parts to accomplish intended actions (correct)
- The movement of a single body part
- The execution of non-repeatable movements
What type of sensory feedback is involved in motor coordination?
What type of sensory feedback is involved in motor coordination?
- Proprioception and vision (correct)
- Gustatory feedback
- Olfactory feedback
- Auditory feedback
Who worked on understanding the development of coordination in executing skilled movements?
Who worked on understanding the development of coordination in executing skilled movements?
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According to early work from Nikolai Bernstein, what did he remark about the relationship between desired movement and coordination patterns?
According to early work from Nikolai Bernstein, what did he remark about the relationship between desired movement and coordination patterns?
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Study Notes
Goal-Directed and Coordinated Movement
- Movements are influenced by various factors such as the environment, the task, and the individual, leading to inherent variability.
- Variability allows for adaptability, enabling individuals to adjust movements based on changing conditions.
Motor Coordination in Physiology
- Refers to the ability to execute smooth, accurate, and controlled movements by integrating sensory information and executing motor commands.
- Involves the coordination of muscles and joints to produce a desired movement sequence.
Sensory Feedback in Motor Coordination
- Various types of sensory feedback play a role, including visual, auditory, and proprioceptive inputs.
- Proprioception, in particular, helps to provide awareness of body position and movement, crucial for refining motor actions.
Development of Coordination in Skilled Movements
- Research on motor coordination development has been significantly influenced by several key figures in physiology.
- Nikolai Bernstein is particularly noted for his extensive work on understanding coordination in skilled movement execution.
Bernstein's Observations on Movement and Coordination Patterns
- Bernstein highlighted the complexities in achieving desired movements and remarked on the relationship between intention and the underlying coordination patterns.
- His analysis emphasized that consistent coordination patterns may be variable depending on the specific demands of the movement task.
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