年轻运动员的手握强度因运动类型和年龄而异
Takashi Abe1,2, Akemi Abe2, Jeremy P Loenneke3
1Graduate School of Health and Sports Science, Institute of Health and Sports Science & Medicine, Juntendo University, Chiba, Japan.
概括
像肯多这样的抓地运动中的年轻运动员表现出比足球这样的非抓地运动中的年轻运动员更强的握力. 这些差异出现在8.5岁左右,突出体育运动.
科学领域:
- 运动科学与医学 运动科学与医学
- 儿科运动生理学 儿科运动生理学
- 人类运动科学科学 人类运动科学
背景情况:
- 手握强度是整体身体健康和表现的关键指标.
- 童年从事的体育运动类型可能会影响身体特征的发展.
- 涉及抓取设备的运动可能会对手部强度发展产生独特的影响.
研究的目的:
- 为了调查是否以及在什么年龄,抓手力之间的差异在抓手与非抓手运动中的年轻运动员之间出现.
- 为了比较年轻的肯多运动员 (抓运动) 与足球运动员 (非抓运动) 的手握力发展.
主要方法:
- 一项比较研究涉及222名年龄在6-15岁的男性运动员 (115名肯多运动员,107名足球运动员).
- 使用动力计测量手握强度,分析两只手的平均值.
- 统计调节 (约翰逊 - 尼曼程序) 用于确定体育运动之间的年龄差异.
主要成果:
- 与足球运动员相比,肯多运动员表现出明显更高的握力 (4.77公斤的差异).
- 体育类型和年龄之间的显著相互作用 (p=.004) 表明手握强度的年龄相关差异.
- 在肯多和足球运动员之间,从8.48岁开始观察到手握强度的统计学上显著差异.
结论:
- 体育运动的类型,特别是涉及抓住运动器材的类型,会影响成长中的儿童的手握力发展.
- 在青少年时期参加握手运动可能会导致更强的握手力,这可能有利于成人水平.
- 早期参与肯多等体育运动可以培养优越的握手力,与非握手运动相比.
相关概念视频
01:48Classification of Skeletal Muscle Fibers
Skeletal muscles continuously produce ATP to provide the energy that enables muscle contractions. Skeletal muscle fibers can be categorized into three types based on differences in their contraction speed and how they produce ATP, as well as physical differences related to these factors. Most human muscles contain all three muscle fiber types, albeit in varying proportions.
Slow-Twitch Muscle Fibers
Slow oxidative, muscle fibers appear red due to large numbers of capillaries and high levels of...
Slow-Twitch Muscle Fibers
Slow oxidative, muscle fibers appear red due to large numbers of capillaries and high levels of...
01:20Motor Unit Stimulation
When the neuron of a motor unit fires an action potential, it triggers a series of events, leading to a twitch contraction in the muscle fibers. The process of excitation-contraction coupling is crucial in relaying the action potential to the muscle fibers.
The latent period of contraction marks the onset of excitation-contraction coupling, when the action potential propagates across the sarcolemma, preparing the muscle fibers for contraction. As the fibers enter the contraction phase, the...
The latent period of contraction marks the onset of excitation-contraction coupling, when the action potential propagates across the sarcolemma, preparing the muscle fibers for contraction. As the fibers enter the contraction phase, the...
01:22Isotonic and Isometric Muscle Contractions
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 the...
Isotonic contractions
Isotonic contractions occur when a muscle changes length while the...
01:27Exercise and Muscle Performance
Exercise induces a range of adaptations in muscle tissue, depending on the type and duration of activity. Such physical training can be broadly categorized into two types: endurance exercises and resistance exercises.
Endurance exercises
Endurance exercises involve running, swimming, or cycling, which require repetitive movements with low force output. When a person engages in endurance exercise, a few noticeable changes occur in their skeletal muscles. For instance, the number of capillaries...
Endurance exercises
Endurance exercises involve running, swimming, or cycling, which require repetitive movements with low force output. When a person engages in endurance exercise, a few noticeable changes occur in their skeletal muscles. For instance, the number of capillaries...
01:16Muscles of the Forearm that Move the Hand and Fingers
The muscles of the forearm that move the wrist, hand, and digits are numerous and diverse. They can be classified into two groups based on their location and function — the anterior and posterior compartment muscles.
Anterior Compartment
The anterior compartment muscles originate from the humerus. They primarily function as flexors and are also known as flexor muscles. They typically insert on the carpals, metacarpals, and phalanges. The superficial layer includes the flexor carpi radialis,...
Anterior Compartment
The anterior compartment muscles originate from the humerus. They primarily function as flexors and are also known as flexor muscles. They typically insert on the carpals, metacarpals, and phalanges. The superficial layer includes the flexor carpi radialis,...
01:11Alterations in Muscle Tone lll
Rigidity and myotonia are distinct abnormalities of muscle tone that affect resistance and relaxation during movement. Although both involve altered muscle contraction, they arise from different neurological and muscular mechanisms.CharacteristicsRigidity is characterized by uniform resistance to passive movement across the entire range, independent of speed, affecting flexors and extensors equally. It may appear as lead-pipe rigidity (smooth, constant resistance) or cogwheel rigidity...