Sentences with phrase «fiber area increased»

In contrast, percentage of type II muscle fiber area increased significantly from 54 % ± 3 % to 65 % ± 3 % in the PRO group after resistance - type exercise training (P < 0.05), whereas no changes were observed in the PLA group.

For example, Häkkinen et al. (2003) found an increase in rate of force development over early and late phases combined (500ms), while type IIX fiber area reduced, and type IIA fiber area increased.

The relative CSA reflects the size of each group of fibers in the sample relative to the others, and this typically involves a similar shift to the proportion, with type IIX fiber area decreasing, and type IIA fiber area increasing.

However, by reviewing the differences in changes in fiber area of type I and both types IIA and type IIX muscle fibers, it is unclear which fiber area increases to the greatest extent.

Not exact matches

Verizon, which sells high - speed internet access using fiber optic cable called FiOS, has stopped expanding the reach of FiOS in New York state, instead focusing on increasing subscription to the system in existing areas, most of which is located in densely populated metro areas.

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).

As the cross-sectional area of the muscle would be expected to be roughly proportional to the square of the diameter, increased fiber diameter in Mstn − / − mice would correspond to an approximately 43 % increase in fiber mass.

There's been a lot of debate whether increasing the time under tensions triggers greater muscle gains, but the majority of studies support this claim under various discoveries: • The cross-section area of the slow - twitch type muscle fibers is greatly increased, which leads to maximal stimulation of these type I fibers since they possess a high level of fatigue threshold, which also promotes an increased hypertrophic response.

The second one is called myofibrillar hypertrophy and it represents enlargement of the muscle fiber as it gains more myofibrils, which contracts and does all the functional work — creates tension in the muscle.With this type of hypertrophy, the area density of myofibrils increases and there is a significantly greater ability to exert muscular strength.

An effective soccer stretching session will increase blood flow to these areas and lengthen the muscle fibers in order to maximize a player's range of motion.

In Mitchell et al. (2012), the group training with 30 % of 1RM increased type I muscle fiber area by nearly twice as much as type II muscle fiber area, while the group training with 80 % of 1RM increased both type I and type II muscle fiber areas by a similar amount.

Similarly, in Campos et al. (2002), increases in type I fiber area were similar to the increases in type IIA and type IIX area in the 20 — 28RM group.

Although single fiber force also increased, this was caused by an increase in the cross-sectional area, and single fiber force normalized to cross-sectional area did not alter.

Strength training in untrained subjects can cause an increase in all of the main muscle fiber type areas (type I, type IIA and type IIX).

Muscle fiber areas of all muscle fiber types can increase or decrease following any given training or detraining intervention.

Strength training causes an increase in type I, type IIA, and type IIX muscle fiber areas, in both trained and untrained individuals.

It is particularly difficult because type II muscle fiber area tends to increase by more than type I muscle fiber area anyway.

Strength training in untrained subjects increase all of the main muscle fiber type areas.

In contrast, the increases in type I fiber area were much smaller than the increases in type IIA and type IIX fiber area in the 3 — 5RM group.

There are only minor indications in the literature that training with low loads may produce a preferential increase in type I muscle fiber area.

Additionally, while there are indications of preferential increases in type II muscle fiber type area after training at faster speeds (Coyle et al. 1981; Thomeé et al. 1987; Zaras et al. 2013; Pareja - Blanco et al. 2016a), this is also by no means a uniform finding (Ewing Jr et al. 1990; Malisoux et al. 2006; Vissing et al. 2008; Lamas et al. 2012).

Given the conflicting research, the difficulty in identifying whether a preferential increase in type II fiber area actually occurs (rather than just a normally greater increase), and the weakness in the biological mechanism, we should be cautious about accepting this proposal.

However, it is also noted that observations of greater hypertrophy in type II muscle fibers could potentially be more a function of the type of strength training programs that are conventionally used to study increases in muscle cross-sectional area than of the responsiveness of this particular muscle fiber type (Ogborn & Schoenfeld, 2014).

Strength training with heavy loads tends to cause a greater increase in the fiber type of all fiber areas compared with light loads, which is broadly in line with the (non-significant) findings of the systematic review and meta - analysis performed by Schoenfeld et al. (2014).

The increased muscle mass and cross sectional area of muscle fibers contribute to improved power when accelerating to pass another racer or when climbing up a steep hill.

As mentioned in the previous installment, this is indeed a method by which the body can improve the relative efficiency of these muscle fibers, as a decrease in overall area with an increase in the capillary network means proportionately more blood flow to each muscle fiber.

The ST group show improved muscle quality (mean ± SE: 28 ± 3) vs CON -LRB--4 ± 2, p < 0.001) and increased type I (860 ± 252µm2) and type II fiber cross-sectional area (720 ± 285µm2) compared to CON (type I: -164 ± 290µm2, p = 0.04; and type II: -130 ± 336µm2, p = 0.04).

Early studies in this area inferred that the increase in EMG amplitude observed was a function of increasing motor unit recruitment, with additional muscle fibers being recruited to support those that were fatigued (Edwards & Lippold, 1956; Arabadzhiev et al. 2010).

Most studies have reported that the number of capillaries per unit muscle cross-sectional area does not change with strength training (Lüthi et al. 1986; Tesch et al. 1990; Hather et al. 1991; McCall et al. 1996), although the number of capillaries per muscle fiber might increase slightly (Hather et al. 1991; McCall et al. 1996) or remain constant (Campos et al. 2002).

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Help your kitty and encourage water consumption by providing clean water in easy to get to areas, increasing fiber content in the diet by adding canned pumpkin or green beans, or by using a supplement like Cat Lax to grease the passageway.

Details like a vaulted ceiling and natural - fiber area rugs give the space a breezy appeal that's only increased by a fold - away glass wall opening to the lanai.