Sentences with phrase «number of muscle fibers»

Whether this is related to the number of muscle fibers innervated by each motor unit is unclear, although it is generally accepted that muscles that control fine movements have fewer fibers per motor unit, while large muscles that control larger movements have many more fibers per motor unit (Kuriki et al. 2012).
When using surface electrodes, the equipment detects the voltage in any number of muscle fibers that are close to the surface of the skin, which may or may not be innervated quasi-randomly at any given moment during a muscle action (Reaz et al. 2006).
That's because lifting heavy weights places tension on a large number of muscle fibers, which in turn sends the «make me bigger» signal to those fibers.
The number of muscle fibers activated is not the only thing that is important but also how fast these muscle fibers are activated.
However, lifting heavy weights isn't the only way to put a large number of muscle fibers under tension.
If your fibers in a particular muscle consist primarily of slow twitch fibers, in order to affect the greatest number of those muscle fibers, you'll need to train that muscle with higher reps, shorter rest periods and higher volume.
Fatigue diminishes muscle strength by reducing the number of muscle fibers used in an action.
During muscle hypertrophy, there is no change in the number of muscle fibers.
No other exercise recruits the sheer number of muscle fibers and stimulates as much growth and adaptation as a correctly performed...
When you normally do a push up you are only using a certain number of muscle fibers to complete the movement.
While we are born with a set number of muscle fibers (in other words, we can't grow new ones), we can build up the ones we have.
There was an increase in grip strength as well as an increase in the size and number of muscle fibers essential for an increase in muscle mass and physical performance.
This enables your body to recruit a bigger number of muscle fibers and provides a better overall muscle development.
Muscle biopsies done on professional bodybuilders have shown that it was the individual muscle fiber size that was the greatest cause of the abnormally increased muscle size, instead of the number of muscle fibers inside the muscle.
Simply put, a muscle that was strained actually had a number of muscle fibers that comprise it torn.
Maximizing the number of muscle fibers used for a body part is one of the fastest ways to build muscle.
Lifting heavy weights allows you to maximize the number of muscle fibers used to move the weight.
The goal is to contract the maximum number of muscle fibers in the minimum amount of time.
Hardgainers have a limited recovery capacity, so they should spend their energy on exercises that stimulate the greatest number of muscle fibers at once.
Usually, the vibration is transferred through the feet, hands or butt, which are in direct contact with the vibrating device, and it's supposed to help you increase the number of muscle fibers trained during any basic exercise.
And the bigger the number of muscle fibers being utilized during a certain movement, the bigger the muscle growth.
Once you master the basic push - up, you can up the intensity and the number of muscle fibers trained with this challenging push - up variant.
This, of course, decreases the effectiveness of the exercise, since the limited range of motion will reduce the number of muscle fibers recruited, so why would you want to do it?
You can get the best strength gains by performing heavy sets of 1 - 5 reps which will activate the greatest number of muscle fibers available.
Morphologically, fast muscles had a greater number of muscle fibers, smaller fiber areas, and a greater ratio of nuclei to fiber area.
(A) The total number of muscle fibers in laminin - stained EDL muscle sections from IL - 15Ra — KO mice was greater compared with B6129 control.
(E) The total number of muscle fibers counted in laminin - stained TA muscle sections from IL - 15Ra — KO mice was greater compared with B6129 control.
In long distance running muscle damage could interfere with muscle contraction, and limit the number of muscle fibers taking part in muscle contraction, which in turn limits performance.
You want to train your nervous system to contract larger numbers of muscle fibers to develop higher levels of strength.

Not exact matches

These amino acids can be used to build or repair muscle fiber, to create any number of cells, to concoct hormones or to build any number of tissues that the body might need.
Instead, it appears to be related to a much more fundamental metabolic constraint: the length of time required for the animal to reach its theoretical maximum speed, based on the number of «fast twitch» muscle fiber cells in the creature's muscles, as compared to the length of time it takes for those cells to run out of readily available energy.
According to the researchers» notion, the «fast twitch» muscle fibers in immense creatures such as elephants and whales run out of cellular fuel long before they can reach max speed based on the overall number of such fibers.
In previous studies, we showed that the increase in muscle mass in Mstn − / − mice results from a combination of increased fiber numbers and increased fiber sizes [2].
Quantification of total fiber number from laminin / DAPI - stained sections revealed a 28 % greater number of total muscle fibers in EDL muscles and a 29 % greater number of total muscle fibers in TA muscles from IL - 15Rα — KO mice compared with B6129 controls (Figure 6, A and E).
Fluorescence images were used to quantify the following muscle morphological parameters: total fiber number, single - fiber CSA, total nuclei, the percentage of centrally nucleated fibers (CNFs), and the nuclei / single - fiber area ratio.
The total number of fibers (EDL: 13,729; TA: 20,466; soleus: 13,303) and percentage of CNFs were manually calculated for both groups from stained sections acquired at the mid-abdomen area of the muscles.
In contrast, a similar analysis of F66 transgenic mice revealed that although total fiber number was increased slightly (16 %), the overall increase in gastrocnemius / plantaris mass resulted almost entirely from muscle fiber hypertrophy (93 % increase in cross-sectional area).
(B) The SDH fiber ratio was significantly elevated in EDL muscles from IL - 15Rα — KO mice, indicating a greater number of fibers staining positive for SDH activity.
In addition, the total fiber number and the percentage of CNFs were greater in fast muscles from IL - 15Rα — KO mice and were not different from control in the slow soleus muscle.
Quantification of single - fiber CSA revealed a leftward shift of the single - fiber area histogram in both EDL and TA muscles from IL - 15Rα — KO mice, indicating a greater number of smaller - sized muscle fibers (Figure 6, B and F).
(B) The single - fiber area histogram was shifted to the left, indicating a greater number of smaller - sized muscle fibers in the EDL muscles from IL - 15Ra — KO mice.
The scientists think this could be useful for a number of applications that need muscle fibers, whether getting the faces of humanoid robots to move with more human - like expressions or getting prosthetic limbs better muscle.
«This evidence supports our concept of «tipping point» where the number and extent of fiber branching reaches a level where the branching itself terminally compromises muscle function, irrespective of the absence of dystrophin,» the researchers wrote.
The main benefit of using dumbbells is that it requires you to engage a greater number of muscles compared to the barbell and machine variant and actually activates the lower fibers of the chest press better than a barbell press — since your hands are free to move across your body when you use dumbbells, the lower pecs get a better workout.
Anyone with some basic knowledge of the human anatomy can tell you that you can not change the shape of a muscle, the direction its muscle fibers are attached or the number of nerve innervations.
When you exercise with heavy weight and low reps, you are working on all of your muscle fibers, both the quick and the slow twitch fibers, so use really heavy weight that you can only lift a low number of times.
Training opposite muscle groups optimizes the number of contracting muscles fibers, which in turn increases the weights being lifted and helps with anabolic hormone production.
That's not a problem, though, because this type of training makes sure that you exit the gym with the greatest number of overloaded muscle fibers possible.
This translates to a bigger number of activated muscle fibers and greater adaptations in muscle strength.
The reason for this is that compound exercises target a number of large muscle groups, resulting with the recruitment of many different muscle fibers, compared to isolation exercises that are designed to target specific small muscle groups.
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