高达80岁的成年人在面对复杂的身体动态时保持有效的运动计划
Anouck Matthijs1,2, Anda de Witte1,2, Dante Mantini1,2
1Movement Control and Neuroplasticity Research Group, Department of Movement Sciences, KU Leuven, Tervuursevest 101, 3001, Leuven, Belgium.
GeroScience
|December 17, 2025
概括
健康的衰老保持了运动启动的前运动控制,但损害了最终运动准确性所需的反控制. 在最初的肘部运动期间,肩部稳定在各个年龄段保持不变.
科学领域:
- 神经科学是一个神经科学.
- 发动机控制器的控制器
- 老年学是一门学科.
背景情况:
- 衰老会影响运动性能,特别是在需要协调控制的多关节运动中.
- 反和反控制机制对于移动执行至关重要.
- 衰老对这些特定的运动控制策略的影响尚未完全理解.
研究的目的:
- 研究健康衰老对简单的肘部运动任务中的前和反运动控制的影响.
- 为了检查不同速度下肘部曲和伸展期间肩部稳定性与年龄相关的变化.
主要方法:
- 健康的参与者 (年轻人,老人和老年人) 进行了肘部曲/伸展运动.
- 电肌图 (EMG) 测量了用于肩部稳定的预期肌肉活动.
- 运动准确度和肩部稳定性被评估在不同的肘部速度.
主要成果:
- 预测性肩部肌肉活动和时间在所有年龄组都相似,表明完整的前控制.
- 运动启动期间的肩部稳定性随着年龄的增长而保持,即使在更高的速度.
- 年长的成年人在最后的运动阶段显示肩部稳定性降低,与运动精度降低相关.
结论:
- 为运动启动而进行的前进运动控制对健康的衰老具有弹性.
- 反控制机制似乎随着年龄的增长而下降,影响运动精度.
- 与年龄相关的反控制下降可能导致多关节运动的精度降低.
相关概念视频
Cognitive Development During Adulthood
737
Cognitive development continues throughout adulthood, undergoing significant shifts across early, middle, and late stages. Individual transition occurs from adolescent idealism to pragmatic and adaptable thinking in early adulthood. During this period, individuals learn to integrate personal beliefs with the recognition that other perspectives are equally valid. Exposure to the complexities of modern society, diverse experiences, and higher education contribute to this adaptive thought process,...
737
Muscle Coordination and Action
2.9K
Muscle coordination is a complex and finely tuned process essential for smooth and purposeful movements like flexion, extension, adduction, abduction, and rotation. The human body orchestrates the actions of various muscles working in concert, each with a specific role. Four functional types describe how muscles work together: agonist, antagonist, synergist, and fixator.
Agonists
Agonist muscles, often called prime movers, are the primary muscles responsible for producing a specific movement....
Agonists
Agonist muscles, often called prime movers, are the primary muscles responsible for producing a specific movement....
2.9K
Movement Joints in Buildings
304
Movement joints in buildings are essential design elements that accommodate inevitable motions caused by various factors such as temperature changes, moisture content variations, and structural deflections. These motions, if not considered in design and construction, can lead to unsightly or dangerous damage. Movement joints are incorporated in different forms to manage these stresses and allow materials to move without causing distress.
The simplest type of movement joints, working joints, are...
The simplest type of movement joints, working joints, are...
304
Planar Rigid-Body Motion
935
Understanding the movement of a rigid body in planar motion involves recognizing that every particle within this body is traversing a path that maintains a consistent distance from a specific plane. This concept is fundamental in the study of physics and mechanical engineering, and it allows us to comprehend better how objects move in space.
Planar motion is typically divided into three distinct categories. The first is rectilinear translation, demonstrated by a subway train that moves along...
Planar motion is typically divided into three distinct categories. The first is rectilinear translation, demonstrated by a subway train that moves along...
935
Anatomical Movements
14.7K
Anatomical movements refer to the various actions or motions that can be performed by the body's joints and muscles. These movements are described using specific terms to provide a standardized way of discussing and understanding the range of motion at different joints.
Here are some common anatomical movements:
Flexion and extension motions are in the sagittal (anterior–posterior) plane of motion. These movements take place at the shoulder, hip, elbow, knee, wrist,...
Here are some common anatomical movements:
Flexion and extension motions are in the sagittal (anterior–posterior) plane of motion. These movements take place at the shoulder, hip, elbow, knee, wrist,...
14.7K
Pharmacodynamics in Geriatric Patients: Effects of Age
172
Age-related pharmacokinetic changes are extensively documented, but understanding age-related pharmacodynamic alterations is relatively limited. This knowledge gap can be partly attributed to the complexity of developing appropriate measures of drug responses compared to bioanalytical methods for determining drug concentrations.Most information regarding age-related differences in human pharmacodynamics originates from cross-sectional studies. However, these studies assume that observed mean...
172


