An investigation of Eccentric Versus Concentric Resistance Training: The Role of Movement Velocity and Training Type

Yıl 2018, Cilt: 20 Sayı: 3, 297 - 300, 30.12.2018

Gürcan Ünlü Settar Koçak

https://doi.org/10.15314/tsed.487925

Cited By: 1

Öz

It is known that high
intensity dynamic resistance training which involves eccentric and concentric
contractions is one of the effective method for maximizing strength. Although,
it is postulated that eccentric and concentric contractions provide different
physiological adaptations, previous studies comparing the short-term effects of
these two contractions have reported contradictory findings, with some studies
reporting greater strength development with eccentric, some with concentric and
some with similar within both training (18). Methodological differences may be
of critical importance to the reported different findings, when focusing on the
underlying reasons for these effects are discussed. The majority of previous
studies on this topic have used isokinetic equipment to compare eccentric with
concentric training, however there are also several studies which used isotonic
method which is the most common type of resistance training. Since the effects
of these two methods can form different physiological adaptations (9), it may
not be proper to review the studies related to eccentric and concentric
comparisons without taking into account training method variable. In
isokinetic, contraction velocity can be controlled by the dynamometer however
it is hard to standardize the movement velocity of isotonic training.  And also previous studies showed that
movement velocity of resistance training may affect strength development (11).
At this juncture, the aim of this paper was to review the studies investigating
eccentric and concentric resistance training and discuss the reported findings
by considering methodological differences (training type and movement
velocity).  Although
it was difficult to present certain implications due to only few studies
including same methods in terms of contraction types and training methods, some
highlights from this paper can be very informative to further studies. One of
them is that the effects of eccentric and concentric resistance training might
be different according to training types. The effects of movement velocity of
resistance training on strength may also be different in terms of isotonic or
isokinetic training methods. 

Anahtar Kelimeler

Strength, contraction type, isotonic, isokinetic

Kaynakça

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