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Joint biomechanics is the study of the mechanical aspects of joint function, encompassing the forces and movements that occur within the human body. It is essential for understanding how joints enable motion and how they can be affected by injury or disease, informing both clinical practices and the design of prosthetics and orthotics.
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Arthrokinematics refers to the subtle movements that occur between joint surfaces during physiological joint motion, which include rolling, sliding, and spinning actions. Understanding these movements is essential for diagnosing joint dysfunctions and designing effective rehabilitation programs.
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Roll and glide mechanics describe the movement patterns of joints, particularly in the human body, where rolling and sliding occur simultaneously to maintain joint congruency and facilitate smooth motion. This biomechanical principle is crucial for understanding joint function and preventing wear and tear during activities such as walking and running.
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A convex surface is a type of geometric surface where any line segment connecting two points on the surface lies entirely within the surface or its interior. This property is crucial in fields like optimization and computer graphics, where it ensures certain mathematical and visual properties that are easier to handle computationally.
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A concave surface is a surface that curves inward, resembling the interior of a sphere or bowl. It is characterized by its ability to focus parallel rays of light or other waves to a single point, known as the focal point, making it crucial in applications like lenses and mirrors.
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Joint movement direction refers to the specific path or orientation in which a joint moves, influenced by the anatomical structure and function of the joint. Understanding this direction is crucial for diagnosing joint-related issues and enhancing performance in physical activities by ensuring proper alignment and movement patterns.
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A kinematic chain is a series of rigid bodies connected by joints to provide a controlled motion output from a given motion input, often used in robotic and mechanical systems. It allows the analysis and design of complex mechanical movements by understanding the relative motion between interconnected parts.
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Osteokinematics refers to the movement of bones around a joint axis, describing the motion that occurs between the shafts of two bones. It is essential for understanding joint function and biomechanics, as it encompasses movements such as flexion, extension, abduction, adduction, and rotation.
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