在老年人中,同度肌肉强度协议的会话间可靠性
Oscar Andrades-Ramírez1,2, Domingo Ceballos-Sepulveda1, Benjamín Fuentealba-Martínez1
1Facultad de Educación y Ciencias Sociales, Universidad Andres Bello, Concepción 4070387, Chile.
Journal of functional morphology and kinesiology
|January 21, 2026
概括
对于老年人来说,最大的同位体肌肉力量测试,包括双边的坐板压力和排行,以及单边的膝盖延伸,是可靠的. 这些发现支持它们用于评估老年人群的力量.
科学领域:
- 老年学是一门学科.
- 运动生理学 运动生理学
- 生物力学 生物力学
背景情况:
- 评估最大的同位体肌肉力量对于了解老年人功能能力至关重要.
- 可靠性研究对于验证这一群体的测量工具至关重要.
研究的目的:
- 分析老年人最大同位体肌肉强度测试的间歇绝对和相对可靠性.
- 为了评估双边座椅板压 (BSBP),双边座椅排 (BSR),单边座椅膝盖右延伸 (USKER) 和单边座椅膝盖左延伸 (USKEL) 的可靠性.
主要方法:
- 18名老年人 (平均年龄为69.38岁) 参加了这项研究.
- 使用BSBP,BSR,USKER和USKEL协议,在坐着的位置评估了最大的同位体强度.
- 在每次测量中,进行了三次5秒最大力度的测试,每次测量有3分钟的休息间隔.
主要成果:
- 对于BSR和USKER,发现了可接受的绝对可靠性.
- 对于BSBP和USKEL指标,观察到非常高的可靠性.
- 所有评估都显示出极高的相对可靠性,没有显著差异 (p > 0.05) 和零效应大小 (ES < 0.12).
结论:
- 使用Chronojump强度传感器套件进行最大同位体肌肉强度评估是可靠的,并且可以在老年人群中复制.
- BSBP,BSR,USKER和USKEL协议为老年人提供可靠的力量测量.
相关概念视频
Isotonic and Isometric Muscle Contractions
6.8K
Two primary types of muscle contractions are isotonic and isometric, each serving unique functions and involving distinct mechanisms. Both isotonic and isometric contractions are integral to the body's complex system of movement and stability. Isotonic exercises contribute significantly to functional strength and movement, while isometric contractions are crucial for maintaining posture and joint stability.
Isotonic contractions
Isotonic contractions occur when a muscle changes length while...
Isotonic contractions
Isotonic contractions occur when a muscle changes length while...
6.8K
Reliability and Validity
13.8K
Reliability and validity are two important considerations that must be made with any type of data collection. Reliability refers to the ability to consistently produce a given result. In the context of psychological research, this would mean that any instruments or tools used to collect data do so in consistent, reproducible ways.
13.8K
Acid Strength and Molecular Structure
32.9K
Binary Acids and Bases
In the absence of any leveling effect, the acid strength of binary compounds of hydrogen with nonmetals (A) increases as the H-A bond strength decreases down a group in the periodic table. For group 17, the order of increasing acidity is HF < HCl < HBr < HI. Likewise, for group 16, the order of increasing acid strength is H2O < H2S < H2Se < H2Te. Across a row in the periodic table, the acid strength of binary hydrogen compounds increases with increasing...
In the absence of any leveling effect, the acid strength of binary compounds of hydrogen with nonmetals (A) increases as the H-A bond strength decreases down a group in the periodic table. For group 17, the order of increasing acidity is HF < HCl < HBr < HI. Likewise, for group 16, the order of increasing acid strength is H2O < H2S < H2Se < H2Te. Across a row in the periodic table, the acid strength of binary hydrogen compounds increases with increasing...
32.9K
Strength of Cement
471
Strength tests for cement are not performed directly on neat cement paste due to difficulty in obtaining consistent, reliable specimens. Instead, cement is typically tested in the form of cement-sand mortar.
For compressive strength tests, ASTM C 109-05 standards prescribe a cement-sand mix ratio of 1:2.75 and a water/cement ratio of 0.485 for making 2-inch cubes. These cubes are mixed, cast, and cured in saturated lime water at 23°C until testing. Flexural strength testing, outlined in...
For compressive strength tests, ASTM C 109-05 standards prescribe a cement-sand mix ratio of 1:2.75 and a water/cement ratio of 0.485 for making 2-inch cubes. These cubes are mixed, cast, and cured in saturated lime water at 23°C until testing. Flexural strength testing, outlined in...
471
Relation Between Tensile Strength and Compressive Strength of Concrete
655
Concrete is a fundamental building material, and understanding its strengths is crucial for construction projects. The relationship between its tensile and compressive strengths is intricate, showing that while these strengths are related, they do not increase at the same rate. Tensile strength's growth is slower and is affected by various factors such as the methods used for testing, the size and shape of the specimen, the texture of the aggregate used, and the moisture content of the...
655
The Equilibrium Binding Constant and Binding Strength
14.9K
The equilibrium binding constant (Kb) quantifies the strength of a protein-ligand interaction. Kb can be calculated as follows when the reaction is at equilibrium:
14.9K


