Sentence examples for frequency of contraction from inspiring English sources

Short-term increases in demand on the heart (e.g., exercise) are met by increases in the force and frequency of contraction.

These changes are mediated by increases in sympathetic nervous system activity, an increase in the frequency of contraction, and changes in muscle length.

These rates can exceed the frequency of contraction and relaxation of muscles responding to nerves because the muscles, after they have begun contracting and relaxing, respond to the alternating elastic tension in the thoracic wall, where the frequency is determined by the natural periodic oscillation of the thorax.

In contrast to wild type tissues, neither stretch nor application of L-NAME affecthe the amplitude or frequency of contraction in eNOS knockout tissue strips (Fig. 5B).

Recordings of the vertical displacement of contractions by SICM revealed that TC not only reduced the frequency of contraction but also made cardiomyocyte contraction irregular (Fig. 5a,b,e, Fig. S4).

We further normalized each tissue to itself under control conditions (100 nM iberiotoxin) and observed that L-Mee increased myometrial frequency of contraction in a dose dependent manner (Fig. 6B).

In all 16 of the 21 collected plant species were found to have a uterine contractive effect, they either increased the force of contractions, the frequency of contractions or both.

In all 16 of the 21 collected plant species were found to have a uterine contractive effect; they either increased the force of contraction, increased the frequency of contractions or did both [ 10].

In all 21 plant species were identified as potential abortion remedies and analysed, 16 of the species were found to have a uterine contractive effect; they significantly increased the force of contraction, increased the frequency of contractions or did both.

When the researchers treated the diseased cells with metoprolol, a beta blocker commonly used to treat cardiomyopathy, they found that it decreased the frequency of contractions as expected.

Dr. Spong said that in deciding how serious the tracings are, doctors "need to look at the entire clinical picture, not just the tracing," and consider factors like the mother's blood pressure, heart rate and temperature, what medicines she might have been given, the frequency of contractions and how fast labor is progressing.