(1) Circular muscle strips from the opossum esophageal body obtained 3-5 cm above the esophagogastric junction were suspended in organ baths for measurement of isometric tension.
(2) It may, however, be useful to compare local wall dynamics in the more isometrically-contracting basal segment with those in the middle portion which brings about most of the emptying of the ventricle.
(3) The power spectrum of the EMG was analyzed during isometric contractions of the shoulder muscles.
(4) Rings of isolated coronary and femoral arteries (without endothelium) were suspended for isometric tension recording in organ chambers filled with modified Krebs-Ringer bicarbonate solution.
(5) Angiotensin tachyphylaxis was studied in the isolated guinea pig ileum under isometric conditions.
(6) Isometric exercise induces a significant shortening of both intervals although minor for QT so that the ratio significantly increases in comparison to baseline (p less than .001).
(7) Starting from the observation that the part above 6 Hz of the power spectrum of force tremor during isometric contractions can be related to the unfused twitches of motor units firing asynchronously, an attempt was made to study the usefulness of force tremor spectral analysis as a global descriptor of motoneurone pool activity.
(8) The stiffness of the fibre first rose abruptly in response to stretch and then started to decrease linearly while the stretch went on; after the completion of stretch the stiffness decreased towards a steady value which was equal to that during the isometric tetanus at the same sarcomere length, indicating that the enhancement of isometric force is associated with decreased stiffness.
(9) For this purpose, the fastest possible self-paced single isometric forefinger extensions and the fastest alternating forefinger movements were tested.
(10) There were discrete linear relationships between muscle temperature and isometric endurance associated with cycling at 60% and 80% VO2max.
(11) The purpose of this study was to test for differences in the maximal isometric hip abduction torque produced between hip sides across multiple hip abduction angles.
(12) Such parameters of stimulation permite to achieve unfatiguability of muscle in isometric contraction regimen.
(13) During continuous isometric exercise with constant stimulation time, the amount of IMP was linearly and inversely related to the age of the animals; a higher IMP concentration was found in intermittent isometric and dynamic exercise.
(14) The response was composed of an isometric phase, during which the body weight was shifted from the stimulated limb to the opposite forelimb while the stimulated limb was gently pushed backwards, and a movement phase during which the stimulated paw actually accomplished the placing reaction.
(15) This study compared the effect of varied training frequencies on the development of isometric lumbar extension torque (strength) over 12- and 20-week training periods.
(16) When maximal isometric trunk flexor or extensor torques were imposed upon a maximal Valsalva manoeuvre, transversus abdominis activity and intra-abdominal pressure remained comparable within and across conditions, whereas obliquus internus, obliquus externus and rectus abdominis activities either markedly increased (flexion) or decreased (extension).
(17) Two effects were recorded simultaneously in the same preparation: (a) isometric contractions, due to the tension elicited by drugs on the external (longitudinal) smooth muscle layer and (b) pressure of internal perfusion, due to contractions of the internal (circular) smooth muscle layer.
(18) The relationship between semitendinosus muscle force and knee joint kinematics during isometric torque production was examined in the frog (Rana pipiens) hindlimb.
(19) Isometric exercises are frequently encountered in activities of daily living and many occupational tasks.
(20) The authors favor conservative treatment of tennis elbow, starting with cessation of the offending activity and prescription of a nonsteroidal anti-inflammatory drug (NSAID) and followed by isometric and isotonic exercises when pain and inflammation have subsided.
Isotonic
Definition:
(a.) Having or indicating, equal tones, or tension.
Example Sentences:
(1) These were an isotonic solution of sodium chloride (900 micrograms NaCl in 0.1 ml), histamine (100 mu g in 0.1 mu l), phytohaemagglutinin (200 mu g in 0.1 ml), and a staphylococcus lysate (STAVA).
(2) Post-irradiation hypertonic treatment inhibited both DNA repair and PLD recovery, while post-irradiation isotonic treatment inhibited neither phenomenon.
(3) G-17-I infusion, the stomach was continuously infused with isotonic saline.
(4) Isotonically, peak muscle shortening was reduced in the left muscle, whereas time to peak shortening was prolonged in the right myocardium.
(5) Subacute lead exposure has been observed to inhibit the natriuretic response to isotonic saline expansion in adult female rats.
(6) Alteration in the temperature of the Isoton diluent in a Coulter model S counter over a range of possible laboratory working temperatures produced a change in the mean corpuscular volume using EDTA and dipotassium acid citrate dextrose blood and a commercial control, 4C.
(7) Bullfrog sympathetic ganglion cells were capable of producing action potentials (Ca spikes) in an isotonic (84 mM) CaCl2 solution.
(8) In the normal Wistar rat, the plasma alpha-MSH level was raised by hypertonic saline injection (as compared with control rats injected with isotonic saline).
(9) Control infusions were of 0.9% saline and isotonic dextran 70 (Pharmacia).
(10) These measurements were repeated on a second occasion following the ingestion of 400 ml of an isotonic lactulose solution.
(11) 10 rats were used as controls and received isotonic NaCl-solution on the same days.
(12) At a second operation, 10 days later, these adhesions were graded and lysed, after which the animals received one of the following solutions intraperitoneally: 5 per cent PEG 4000 (n = 21), 25 per cent PEG 4000 (n = 23), 32 per cent dextran 70 (n = 22) or isotonic saline (n = 25), or were left as an untreated control group (n = 20).
(13) The effect of junctional complexes that are permeable to ions and water on the predictions of the standing-osmotic gradient model for isotonic water absorption is considered.
(14) The drinking of a variety of isotonic salt solutions provoked a short load-dependent diuretic response in man, similar in latency to that of a water diuresis and reaching its maximum 40-60 min from the start of drinking.
(15) Six healthy volunteers received intravenous infusions of isotonic (0.9% NaCl) and hypertonic (3% NaCl) saline on separate days.
(16) Since the cumulative natriuretic response to isotonic saline infusion was larger in dogs in positive sodium balance compared to those in negative sodium balance, the failure to detect a difference following hypertonic saline infusion was probably because of the increased plasma sodium concentration.
(17) Thus isotonic heat production first decreased and then increased with increasing tension or tension-time integral.
(18) The authors favor conservative treatment of tennis elbow, starting with cessation of the offending activity and prescription of a nonsteroidal anti-inflammatory drug (NSAID) and followed by isometric and isotonic exercises when pain and inflammation have subsided.
(19) The effects of gossypol acetic acid on isometric and isotonic contractions of isolated ferret heart ventricular muscle was recorded on a myograph.
(20) Measurements were made on locomotor performance (burst run and swim speed, run and swim endurance), morphology (body, tail, and hindlimb length, body mass), and skeletal muscle mechanics (isometric: twitch and tetanic tension, rates of force development and relaxation; isotonic: maximal velocity of shortening and power output) in a size range of individual salamanders (Ambystoma tigrinum nebulosum) at 10 and 20 degrees C. The size dependence of each factor was determined, and the interindividual correlations among factors were measured after removal of size effects.