Dominic Stone
The human body is an intricate system, and muscles form an integral part of this complex machinery. There are over 650 muscles in the human body, and they are responsible for all bodily movements. Muscles are made up of thousands of small elastic fibres that contract and relax to facilitate movement. There are three main types of muscle tissue: skeletal, smooth, and cardiac. Each type has unique functions, and understanding these functions is key to comprehending the muscle rules. These rules govern the growth and maintenance of muscle mass and provide insight into how muscles think and adapt to training. By understanding the muscle rules, individuals can optimise their workouts and make gains that were previously thought challenging or unattainable.
| Characteristics | Values |
|---|---|
| Number of muscles in the human body | More than 650 |
| Muscle tissue type | Skeletal, smooth, and cardiac |
| Muscle function | Help you move, sit still, stand up straight, pump blood, breathe, speak, digest food, etc. |
| Muscle growth | Slow and challenging |
| Muscle memory | Muscles can regrow after a cutting phase or break |
| Muscle training | Changing workout variables, free weights, and challenging routines are recommended |
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What You'll Learn
Muscle growth is slow
Muscle growth is a slow process, and it may take longer than you expect to see results. There are no shortcuts to building muscle mass, and it requires patience and discipline. It is important to understand that muscle growth occurs when muscles are forced to adapt to new demands and recover from the stress of resistance training. This process takes time, and the rate of muscle growth can vary depending on various factors, including genetics, age, diet, and training methods.
The human body has over 650 muscles, and these muscles are made up of thousands of small elastic fibres that contract and relax to enable movement. To increase muscle mass, it is necessary to challenge these muscles beyond their comfort zone consistently. This involves performing exercises that target specific muscle groups and progressively increasing the intensity or weight over time.
One of the key principles of muscle growth is muscle memory. Once your muscles have reached a certain level of development, they retain a memory of that growth. This means that even after a break or a cutting phase, your muscles can more easily return to that level of development. However, pushing beyond this level to achieve new growth becomes increasingly challenging.
To promote muscle growth, it is essential to incorporate challenging routines and consistently vary your workouts. This involves changing variables such as rep ranges, weight, rest periods, and exercise selection. By keeping your muscles guessing, you prevent plateauing, where your muscles adapt to your training routine and stop growing. Incorporating free weights into your workouts can also enhance muscle growth by requiring the activation of stabiliser muscles, which help keep your joints strong and protect tendons and ligaments.
While muscle growth may be slow, it is important to maintain a consistent and disciplined approach to your training regimen. This includes regularly attending the gym and avoiding rushing, which can increase the risk of injury. By understanding the principles of muscle growth and incorporating them into your training program, you can achieve significant and memorable results.
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Muscle memory is real
Muscle memory is indeed real, but it is not what most people think it is. Muscle memory is the ability to perform a movement or action without actively thinking about it. For instance, riding a bicycle or driving a car—once learned, these skills can be performed without conscious thought. This phenomenon is called muscle memory, but it is a misnomer as the memory is not actually stored in the muscles.
The human body has more than 650 muscles, and they work together with bones to enable movement. Muscles are made up of thousands of small elastic fibres that contract and relax to cause movement. However, the memory of physical movements is not stored in these muscles but in the brain. When a physical skill is learned, the brain cells or neurons form new connections, and these neural pathways allow the body to recall and perform the movement without conscious thought. This process is called motor learning or praxis, and it is how habits are formed in the brain.
The two types of muscle memory are procedural memory and muscle growth memory. Procedural memory strengthens the synaptic pathways in the brain for specific coordinated sequences of muscle movements that are performed often. For example, a guitar player can form chord shapes without consciously considering the position of each finger due to procedural memory.
The second type of muscle memory relates to muscle growth. When muscles are stressed to the point of hypertrophy, they grow new cells to get stronger. Muscle cells gain extra nuclei during this training, and these can last for up to 15 years, even after the muscle fibres have shrunk. So, if a person has previously built muscle mass through training, it is easier to bulk up again as the muscles seem to 'remember' their previous strength.
Overall, muscle memory is a real phenomenon that allows people to perform physical tasks with ease and efficiency. It is a result of the brain's ability to form new connections and strengthen pathways through repetition and practice.
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Free weights vs. machines
When it comes to building muscle and strength, free weights and machines are both beneficial. The choice between the two depends on your fitness level, goals, and preferences. Here is a detailed comparison between the two:
Free Weights
Free weights, such as dumbbells, barbells, and kettlebells, offer a versatile way to build strength and muscle. They allow for a greater range of motion, engaging more muscle groups and promoting functional strength. For example, during a dumbbell shoulder press, your shoulders, core, traps, and triceps are all engaged as your upper body works to stabilize the weight. Free weights also provide the freedom to perform exercises in a natural, unrestricted manner, which can lead to a full-body workout in less time. Additionally, free weights are accessible for home workouts and can be used for various exercises with different rep counts and weights.
Machines
Weight machines are an excellent option for beginners or those new to weightlifting. They guide your motion, teaching proper form and reducing the risk of injury. Machines are also beneficial for injury recovery due to their adjustable settings, providing support and stability. They are particularly useful for isolating specific muscle groups and can help you target certain areas of the body effectively. Machines also tend to provide better overall form assistance during exercises.
Both free weights and machines have their advantages and can effectively help you build muscle and strength. Free weights allow for more muscle engagement and natural movement patterns, while machines offer guidance, stability, and safety, especially for beginners. Ultimately, the choice between the two depends on your individual needs, goals, and fitness level. You can even combine the two approaches for a well-rounded workout routine.
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Smooth muscles are involuntary
Smooth muscles are found in the walls of hollow organs, including the stomach, intestines, bladder, and uterus. They are also found in the walls of blood and lymph vessels (excluding capillaries) and are referred to as vascular smooth muscle. Smooth muscles are further found in the tracts of the respiratory, urinary, and reproductive systems.
In the eyes, smooth muscles help adjust vision and light levels. They also help move food through the digestive system and push waste out of the body. In the skin, smooth muscle cells cause hair to stand erect in response to cold temperatures and fear. Smooth muscles are essential for many vital functions, including digestion, vision, and waste elimination.
The structure of smooth muscle differs from skeletal and cardiac muscle. Smooth muscle tissue demonstrates greater elasticity and functions within a larger length-tension curve than striated muscle. This ability to stretch and maintain contractility is crucial in organs like the intestines and bladder. Smooth muscle cells are spindle-shaped with a wide middle and tapering ends, and they contain the proteins myosin and actin, which enable contraction.
Smooth muscle is classified into two types: single-unit and multi-unit. However, these terms are oversimplifications as smooth muscles are typically influenced by a combination of neural elements, and cell-to-cell communication results in a coordinated response even in multi-unit smooth muscles.
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Bones and movement
Bones and muscles work together to enable movement. The human body has more than 650 muscles, and these are connected to bones by tendons, a special type of tissue. Muscles are made up of thousands of small elastic fibres, which contract and relax to cause movement. When the fibres contract, they get shorter, pulling the bones closer together.
There are three main types of muscle: skeletal, smooth, and cardiac. Skeletal muscles are attached to bones and help with movement, balance, and posture. They are controlled by electrical messages from the brain and are therefore known as voluntary muscles. An example of a skeletal muscle is the deltoid, a large, triangular-shaped muscle that covers the shoulder. Its name comes from the Greek letter delta, which is a triangle.
Smooth muscles, on the other hand, are involuntary. They work without conscious thought to keep the body healthy. Smooth muscles help with eye focus and adjustment to light, and they also line the digestive system, moving food through the body and pushing waste out. In the bladder, smooth muscles contract and relax to hold in or release urine.
Cardiac muscle is a third type, but it is distinct from skeletal and smooth muscle. Cardiac muscle is found in the heart and helps to pump blood around the body.
The musculoskeletal system, which includes muscles and bones, is essential for movement and maintaining the body's health.
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Frequently asked questions
Muscle memory means that once your muscles have been trained to grow, they will regrow after a cutting phase or a break. However, it is more challenging to grow or increase muscle mass beyond what you've had before.
Building muscle takes time and patience. It is important to understand how muscles grow and incorporate the right training program. Change up the variables in your workouts, like rep ranges, weight, rest periods, and duration.
Free weights are recommended over machine work because they require the use of stabilizers, which are the small muscles that keep your joints strong and prevent damage to tendons and ligaments.
