在战术运动员中,不同周期化模型对同位素和同位素动力肌肉强度和肌肉量进行比较

Michel Moraes Gonçalves1, Frederico Peter Altmann2, Marcos de Sá Rego Fortes3

  • 1Federal University of Rio de Janeiro, School of Physical Education and Sports, Rio de Janeiro, Brazil; LADTEF - Performance, Training, and Physical Exercise Laboratory, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil; CCFEx - Brazilian Army Physical Training Center, Rio de Janeiro, RJ, Brazil.

概括

每日波动周期化 (DUP) 对传统线性周期化 (TLP) 在增加战术运动员的下肢力量和肌肉量方面表现出轻微的优势. 对于异动力膝盖屈曲强度来说,TLP更有效.

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...
1.4K
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...
3.1K
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...
2.1K
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...
1.5K