相关实验视频

Updated: May 9, 2025

Versatility of Protocols for Resistance Training and Assessment Using Static and Dynamic Ladders in Animal Models
08:31

Versatility of Protocols for Resistance Training and Assessment Using Static and Dynamic Ladders in Animal Models

Published on: December 17, 2021

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动态阻力训练的任务特异性及其可转移到未经训练的同度肌肉力量:通过元分析进行系统审查

Atle H Saeterbakken1, Nicolay Stien1, Gøran Paulsen1,2

  • 1Department of Sport, Food and Natural Sciences, Western Norway University of Applied Sciences, Sogndal, Norway.

Sports medicine (Auckland, N.Z.)
|May 2, 2025
PubMed
概括

动态阻力训练 (RT) 显著提高动态强度,而不是同位体强度. 这项研究证实了RT任务的特异性,显示了对未经训练的同度收缩的有限可转移性,这表明了不同的神经肌肉适应.

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Adapted Resistance Training Improves Strength in Eight Weeks in Individuals with Multiple Sclerosis08:48

Adapted Resistance Training Improves Strength in Eight Weeks in Individuals with Multiple Sclerosis

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Improving Strength, Power, Muscle Aerobic Capacity, and Glucose Tolerance through Short-term Progressive Strength Training Among Elderly People12:59

Improving Strength, Power, Muscle Aerobic Capacity, and Glucose Tolerance through Short-term Progressive Strength Training Among Elderly People

Published on: July 5, 2017

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相关概念视频

Exercise and Muscle Performance01:27

Exercise 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...
1.2K
Isotonic and Isometric Muscle Contractions01:22

Isotonic 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...
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Motor Unit Stimulation01:20

Motor 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...
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Muscle Stimulation Frequency01:22

Muscle Stimulation Frequency

The contraction strength of muscles is regulated by motor neurons, which modulate the frequency of action potentials dispatched to the motor units based on the body's requirements. This process of varying the muscle stimulation frequency allows muscles to contract with a force that is precisely tailored to the needs of the moment, whether lifting a feather or a heavy box.
Wave summation
At low firing rates, motor neurons induce individual twitch contractions in muscle fibers. These twitches...
1.9K