1. Increased Motor Unit Recruitment
This means neural adaptation to training that rapidly increases the strength of a novice who hasn’t yet experienced hypertrophy. What is a motor unit? A motor unit is made up of a single motor neuron, as well as all of the muscle fibers that neuron activates. This refers to our skeletal muscles, which are made of hundreds of thousands of fibers. These muscle fibers are activated by motor neurons when they receive signals from the brain to contract the muscle. A single motor neuron can control several hundred muscle fibers at a time, depending on the size and function of the muscle.
Why is it good to recruit more motor units and how does it relates to strength gains? Even when you engage in very low intensity activities, like lifting a glass to your mouth, your brain recruits motor units that have a smaller number of muscle fibers to allow you to lift the glass. However, when you are lifting something extremely heavy or applying a lot of force your body will contract more available motor units to allow you to perform the activity.
Your brain is a very clever mechanism. Imagine what would happen if your brain told your muscles to contract fully when lifting a glass up. You’d be knocking yourself in the face every time you wanted to have a drink. Motor unit recruitment is a trained and learned ability. The more motor units you can recruit, the more muscle fibers you can activate. The more muscle fibers you can activate, the more force you can apply.
1. Increased Motor Unit Recruitment
This means neural adaptation to training that rapidly increases the strength of a novice who hasn’t yet experienced hypertrophy. What is a motor unit? A motor unit is made up of a single motor neuron, as well as all of the muscle fibers that neuron activates. This refers to our skeletal muscles, which are made of hundreds of thousands of fibers. These muscle fibers are activated by motor neurons when they receive signals from the brain to contract the muscle. A single motor neuron can control several hundred muscle fibers at a time, depending on the size and function of the muscle.
Why is it good to recruit more motor units and how does it relates to strength gains? Even when you engage in very low intensity activities, like lifting a glass to your mouth, your brain recruits motor units that have a smaller number of muscle fibers to allow you to lift the glass. However, when you are lifting something extremely heavy or applying a lot of force your body will contract more available motor units to allow you to perform the activity.
Your brain is a very clever mechanism. Imagine what would happen if your brain told your muscles to contract fully when lifting a glass up. You’d be knocking yourself in the face every time you wanted to have a drink. Motor unit recruitment is a trained and learned ability. The more motor units you can recruit, the more muscle fibers you can activate. The more muscle fibers you can activate, the more force you can apply.
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