isometric contraction


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Related to isometric contraction: isometric muscle contraction

isometric contraction

[¦ī·sə′me·trik kən′trak·shən]
(physiology)
A contraction in which muscle tension is increased, but the muscle is not shortened because the resistance cannot be overcome. Also known as static contraction.
References in periodicals archive ?
With reference to the thermal isometric contraction experiments, the temperature of phase transition, [T.
Narici MV, Binzoni T, Hiltbrand E, Fasel J, Terrier F, Cerretelli P (1996) In vivo human gastrocnemius architecture with changing joint angle at rest and during graded isometric contraction.
Prior to any measurements, a maximal isometric contraction was exerted to measure the maximum EMG during a 100% effort.
Abbreviations: lowHz = low frequency (protocol), lowPD = low pulse duration (protocol), lowV = low voltage (protocol), MRI = magnetic resonance imaging, MVIC = maximum voluntary isometric contraction, NMES = neuromuscular electrical stimulation, PPI = Present Pain Intensity (scale), VA = Department of Veterans Affairs.
Indeed, it has been demonstrated that RFD is influenced by different physiological parameters at early (<100ms) and late phase (>100ms) of the isometric contractions.
Reliability of EMG measurements for trunk muscles during maximal and sub-maximal voluntary isometric contractions in healthy controls and CLBP patients.
Relationships among continuous sonomyography, electromyography and torque generated by normal upper arm muscles during isometric contraction.
The examiner is only required to sustain an isometric contraction and read the highest value on an HHD, if one is used.
The Zelazny study involved more fine motor activity and used all five fingers individually, whereas this study involved more isometric contraction and used all five fingers together during the exercises.
However, these comparisons were made by equating the SW isometric contraction of the biceps brachii to a concentric/eccentric contraction of a traditional biceps curl over a 3-second interval.
The maximal voluntary isometric contraction (MVIC), ROM and muscle soreness are the most common tests used (Warren et al.