What's the difference between contract and flex?

Contract


Definition:

  • (n.) To draw together or nearer; to reduce to a less compass; to shorten, narrow, or lessen; as, to contract one's sphere of action.
  • (n.) To draw together so as to wrinkle; to knit.
  • (n.) To bring on; to incur; to acquire; as, to contract a habit; to contract a debt; to contract a disease.
  • (n.) To enter into, with mutual obligations; to make a bargain or covenant for.
  • (n.) To betroth; to affiance.
  • (n.) To shorten by omitting a letter or letters or by reducing two or more vowels or syllables to one.
  • (v. i.) To be drawn together so as to be diminished in size or extent; to shrink; to be reduced in compass or in duration; as, iron contracts in cooling; a rope contracts when wet.
  • (v. i.) To make an agreement; to covenant; to agree; to bargain; as, to contract for carrying the mail.
  • (a.) Contracted; as, a contract verb.
  • (a.) Contracted; affianced; betrothed.
  • (n.) The agreement of two or more persons, upon a sufficient consideration or cause, to do, or to abstain from doing, some act; an agreement in which a party undertakes to do, or not to do, a particular thing; a formal bargain; a compact; an interchange of legal rights.
  • (n.) A formal writing which contains the agreement of parties, with the terms and conditions, and which serves as a proof of the obligation.
  • (n.) The act of formally betrothing a man and woman.

Example Sentences:

  • (1) During the performance of propulsive waves of the oesophagus the implanted vagus nerve caused clonic to tetanic contractions of the sternohyoid muscle, thus proving the oesophagomotor genesis of the reinnervating nerve fibres.
  • (2) But RWE admitted it had often only been able to retain customers with expired contracts by offering them new deals with more favourable conditions.
  • (3) Thus adrenaline, via pre- and post-junctional adrenoceptors, may contribute to enhanced vascular smooth muscle contraction, which most likely is sensitized by the elevated intracellular calcium concentration.
  • (4) Further, the maximal increase in force of contraction was measured using papillary muscle strips from some of these patients.
  • (5) When subjects centered themselves actively, or additionally, contracted trunk flexor or extensor muscles to predetermined levels of activity, no increase in trunk positioning accuracy was found.
  • (6) Twitch-tetanus ratios were calculated and found not to be related to unit contraction time.6.
  • (7) Selective removal of endothelium had no effect on BK-induced contraction or the action of the antagonists.
  • (8) The increased muscular strength in due to a rise of calcaemia, improved muscle contraction and probably also due to the mentioned nutritional factors.
  • (9) However, there was not a relationship between the contraction curve of the gallbladder and the bile flow into the duodenum.
  • (10) In in vitro preparations GABA (10(-7) - 10(-3) M) elicited a dose-dependent relaxation; a decrease in the spontaneous contractions was sometimes observed.
  • (11) There was no correlation between disturbed gastric clearance, impaired gall bladder contraction, and prolonged colonic transit time in the patients with cardiovascular autonomic neuropathy nor was there a correlation between any disturbed motor function and age or duration of diabetes.
  • (12) Noradrenaline decreased the phasic contraction amplitude of the circular muscle and exerted a stimulant effect on the tone which suggested an existence of two alpha 1-adrenoceptor subtypes.
  • (13) 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.
  • (14) Upon depletion of ATP in contraction, the P2 intensity reverted to the original rigor level, accompanied by development of rigor tension.
  • (15) L-NAME abolished B contractions in a dose-dependent fashion.
  • (16) The power spectrum of the EMG was analyzed during isometric contractions of the shoulder muscles.
  • (17) A23187 had only a transient effect on KCl-contracted coronary arteries.
  • (18) When caffeine evokes a contraction, and only then, crayfish muscle fibers become refractory to a second challenge with caffeine for up to 20 min in the standard saline (5 mM K(o)).
  • (19) Dopamine at concentrations over 10(-5)M induced contractions of tracheal muscle strips and repeated exposures resulted in desensitization (tachyphylaxis) of the muscle.
  • (20) In the present study we examined cholecystokinin release and gallbladder contraction after oral administration of a commercial fatty meal (Sorbitract; Dagra, Diemen, The Netherlands) using ultrasonography in eight normal subjects and eight gallstone patients before and after 1 and 4 weeks of treatment with ursodeoxycholic acid (10 mg kg-1.day-1).

Flex


Definition:

  • (v. t.) To bend; as, to flex the arm.
  • (n.) Flax.

Example Sentences:

  • (1) Failure was more likely with a subluxated, tilted, or excessively thick patella or flexed femoral component.
  • (2) Pharmacological actions on the nociceptive flexion flexes of the hindlimb were investigated in 14 normal subjects.
  • (3) But Wawrinka, who seemed to be flexing his knee a moment ago, is making more mistakes.
  • (4) With the whole spine flexed, muscle activity in the cervical erector spinae, trapezius and thoracic erector spinae muscles was higher than when the whole spine was straight and vertical.
  • (5) 'Squeeze' with the left hand followed by 'flex' with the right elbow.
  • (6) The infant, who was utterly small for his gestational age, showed an aberrant motoric pattern and a high forehead, low-set ears, a prominent occiput and scoliosis, an extension defect in the knee joints and flexed, ulnar-deviated wrists.
  • (7) This paper examined the mobility of intervertebral joints in axial rotation in a neutral and in two flexed positions.
  • (8) When the hair is maintained flexed its sensory neurone discharges tonically (Fig.
  • (9) The elongate and slim shape of the trunk provides great mass moments of inertia and that means stability against being flexed ventrally and dorsally by the forward and rearward movements of the heavy and long hindlimbs.
  • (10) On admission, his right hand and all of right fingers were flexed.
  • (11) These tendons pass dorsally from the median nerve through the carpal canal, where the nerve is subject to pressure when the tendons stretch whilst the wrist is flexed.
  • (12) For a nation that has begun to flex its military muscles, its presence on another world perfectly demonstrates its national prowess.
  • (13) An extended position proved to be more successful in demonstrating that finding than the flexed one.
  • (14) Blood pump diaphragms are required to be biocompatible and must be capable of long-term flexing without failure.
  • (15) As the earliest treatment the fixation of the shoulder joint in abduction and external rotation with flexed elbow on a splint as prevention of further stretch on the plexus and contractures seems to be the most important masure; later on a physio-therapy and mobilisation of the joints is of essential importance.
  • (16) At approximately 70% of the fracture load for the 90 degrees flexed knee, nearly 35% of the contact area was exposed to pressures greater than 25 MPa.
  • (17) A separation between the femur and the tibia of 1.3-3.8 mm was found in 3 knees which were slightly flexed during the traction.
  • (18) Cholesterol and stigmastanol are largely buried in the hydrocarbon part of the membrane, distinctly restricting the flexing motions of the fatty acyl chains whereas the conformation of the phospholipid headgroups is little affected.
  • (19) After ingesting even a small amount of sucrose, the fly begins making frequent, tight turns, flexes its front tarsi to bring more chemosensory hairs into contact with the substrate and repeatedly extends and retracts its proboscis.
  • (20) Another case confirmed that an abduction force on the flexed hip can produce anterior dislocation of the hip.