Dr Mel Siff Blog

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While improvement in cardiovascular endurance almost exclusively is discussed
in terms of metabolic factors, increases in strength and hypertrophy are
discussed in terms of force generation and metabolic changes. Are these
changes more dependent on tension increase or on metabolic cost? The
following papers show that both of these factors appear to play an important
role in the development of strength and muscle hypertrophy, with the
specific type of training determining the outcome.

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The role of metabolites in strength training. I. A comparison of eccentric and
concentric contractions.

Smith RC & Rutherford OM

Eur J Appl Physiol 1995;71(4):332-6

This study examined the role of high forces versus metabolic cost in the Read more…

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When Serge Reding and I discussed the possible mechanisms for strengthening
by means of electrostimulation training about 30 years ago, we both felt that
the process may have to do with enhancing the ability of the athlete to
tolerate high levels of muscle tension if the ES is applied with progressions
to very high levels of activation. The following paper offers some
corroborating evidence in this regard.

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Improvement in isometric strength of the quadriceps femoris muscle after
training with electrical stimulation. Read more…

[Siff M C "Supertraining" 2000 Ch 1: 51-52]. Traditionally, the following types of muscle “contraction” beginning with the prefix '-iso' (meaning 'the same') are defined: isotonic (constant muscle tension), isometric (constant muscle . ...

Mel Siff discusses Muscle Tone and Spasticity - from the Supertraining Yahoo group. While we are on the topic of muscle tone or tension, here is some.

Mel Siff discusses Muscle Tone and Spasticity - from the Supertraining Yahoo group. While we are on the topic of muscle tone or tension, here is some.