KIN242 Lecture 2: KIN242 Week 2 pt2

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Task specificity: flexible features is specific to ul task even if movement pattern is similar, ex, pinch vs. squeeze, punch vs. punch, adjust magnitude, accuracy, speed. Part 1: reach: reaching requires complex tight multi-joint coupling (especially when to a specific target, adjusted for, location of body, direction, distance, timing, posture, sensory feedback used for accuracy adjustment. Part 3: object manipulation: requires complex coordinated patterns of individual finger muscles, strongly influenced by sensory feedback, picking up small objects requires high precision. Postural control in movement: movement often has a clear purpose or focus, ex: pick up a glass, take a step, some muscles contribute directly to the purpose, additional (postural) muscles required to control, body position, stability. Control of upper limb movement: consider ns involvement in: Home review: consider ns control of walking vs. ns control of upper limb movement, combine motor control concepts and nervous system anatomy & physiology from week 1 with concepts discussed this week.

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