What's the difference between jerk and jerky?

Jerk


Definition:

  • (v. t.) To cut into long slices or strips and dry in the sun; as, jerk beef. See Charqui.
  • (v. t.) To beat; to strike.
  • (v. t.) To give a quick and suddenly arrested thrust, push, pull, or twist, to; to yerk; as, to jerk one with the elbow; to jerk a coat off.
  • (v. t.) To throw with a quick and suddenly arrested motion of the hand; as, to jerk a stone.
  • (v. i.) To make a sudden motion; to move with a start, or by starts.
  • (v. i.) To flout with contempt.
  • (n.) A short, sudden pull, thrust, push, twitch, jolt, shake, or similar motion.
  • (n.) A sudden start or spring.

Example Sentences:

  • (1) The EMG silent periods (SP) produced in the open-close-clench cycle and jaw-jerk reflex were compared for duration before and after treatment with an occlusal bite splint.
  • (2) While tonic pupil and reduced sweating can be attributed to the affection of postganglionic cholinergic parasympathetic and sympathetic fibres projecting to the iris and sweat glands, respectively, the pathogenesis of diminished or lost tendon jerks remains obscure.
  • (3) In reflex-induced jerks this negative transient could be recognized as a component of the sensory evoked potential.
  • (4) A dynamic optimization technique to minimize jerk cost under the constraint on jerk input was applied to interpret the results, assuming that a major goal of skilled movements was to produce optimally smooth movements.
  • (5) The Peppers like to be jerks (at Dingwalls Swan dedicated a song to “all you whiney Britishers who can suck my American cock”), but don’t let the surface attitude fool you.
  • (6) Results from animal experiments and neuropathological studies suggest that the abolition of jerks in such cases is probably due to loss of facilitating influences from the cerebral cortex and central grey nuclei.
  • (7) Surgery caused or aggravated unilaterally diminished knee or ankle jerks in 3% and 10% of cases, respectively.
  • (8) This is a gladiatorial display – that is what people go to see.” Bray added: “The popular knee-jerk reaction will be we should ban airshows, but it’s very rare for such a crash to take place.
  • (9) High-frequency trading may or may not distort markets, but surely a knee-jerk reaction by banning it is not the answer.
  • (10) In order to overcome various drawbacks of the conventional polygraphic study of a relationship between myoclonus and EEG, the EEG preceding and following the myoclonic jerk was simultaneously averaged by the CNV program.
  • (11) Compared with the myoclonic-serotonergic syndrome evoked by 5-hydroxytryptophan in rats with 5.7-dihydroxytryptamine lesions, harmaline+5-hydroxytryptophan-treated rats displayed more continuous and greater axial myoclonic jerks and some postural differences.
  • (12) The effects of electrical stimulation and microinjection of sodium glutamate (0.5 M) in the sympathetic pressor areas of the dorsal medulla (DM), ventrolateral medulla (VLM), and parvocellular nucleus (PVC) on the knee jerk, crossed extension, and evoked potential of the L5 ventral root produced by intermittent electrical stimulation were studied in 98 adult cats anesthetized with chloralose and urethane.
  • (13) The knee jerk itself is seen as a "physiological artefact," resulting from a mode of stimulation that does not occur in life, with the normal function of its underlying circuitry still under debate.
  • (14) The patients did not significantly differ from controls on catch-up saccade amplitude, square wave jerk rate, or anticipatory saccade rate.
  • (15) It was confirmed that the technique of jerk-locked averaging with a backward averaging program was useful for detecting cortical spikes in association with the spontaneously occurring myoclonus, which are not recognized on the convential polygraph, and for evaluating the temporal and topographical relationship between the spike and the myoclonus.
  • (16) The typical electrophysiological correlates of myoclonus in Alzheimer's disease are similar to those of cortical reflex myoclonus, with a focal, contralateral negativity in the EEG preceding the myoclonic jerk.
  • (17) The analgesic effect of morphine in the rat tail jerk assay was enhanced by the serotonin uptake inhibitor, fluoxetine.
  • (18) In focal epileptic status, the single dose stopped paroxysmal activity and the associated clonic jerks for a few seconds.
  • (19) The occurrence of horizontal jerks with larger amplitudes than on Earth was observed during vertical optokinetic nystagmus in astronauts tested throughout a 7-day spaceflight.
  • (20) Only one patient felt his knee to be unstable (he had a positive pivot jerk).

Jerky


Definition:

  • (a.) Moving by jerks and starts; characterized by abrupt transitions; as, a jerky vehicle; a jerky style.

Example Sentences:

  • (1) You can see the stitching in Igglepiggle's blanket; you sense (you'd be right) that the jerky Pontipines are manipulated by magnets, like the players in an old-fashioned toy theatre.
  • (2) Therefore, in the present study, the slow phase of CN during convergence was analyzed in 7 patients horizontal and jerky type CN.
  • (3) She also had contractures of hips, knees and ankles, and bilateral spasticity and jerky movements.
  • (4) The main form of translocation on laminin was a jerky cycle of prolonged lamellipod extension followed by rapid (approximately 200- less than 500 microh h-1) movement of the cell body into the extended lamellipod.
  • (5) Electronystagmographic study showed that this jerky eye movement appeared especially with changes of fixation of the eyes.
  • (6) When she violates his expectancy for rhythmic interaction by presenting a still, unresponsive face to him, he becomes visibly concerned, his movements become jerky, he averts his face, then attempts to draw her into interaction.
  • (7) In addition to the consistent neurological abnormalities described previously in this syndrome, the infant had a striking neurological constellation, absence of primitive reflexes, jerky eye movements, failure to habituate to repeated stimuli, inadequate behavior development, and absence of orientation responses to visual or auditory stimuli.
  • (8) This ambulatory piece of salmon jerky can offer himself up for public service and it’s treated as totally normal.
  • (9) Jerky nystagmus of latent typ was the most frequent form, pendular nystagmus the next.
  • (10) The defects included abnormal OKN (86%), jerky pursuit (76%), ocular dysmetria (57%), slow saccades (43%), abnormal VOR or VVOR (43%), and fixation instability (19%).
  • (11) "It tastes a bit like beef jerky; it goes well with a cold beer."
  • (12) The influences of lift velocity and jerky movement on lumbar stress are quantified.
  • (13) Seven patients (group I) developed an oculomotor syndrome in the sound eye characterized by jerky nystagmus in abduction, adduction fixation preference, and head-turn toward the side of the fixating eye.
  • (14) Huntington's Disease, a severe disease lasting about 10 years and involving personality changes, jerky movements, paranoia, dementia, inability to think cognitively, and eventual death, shows up between the ages of 30-50.
  • (15) He's still got it, and offers to fetch it from his Hampstead hallway, but he's been leaping up and down all morning chasing coffee and cakes, and every jerky movement is accompanied by a quiet groan, only half-stifled.
  • (16) During ECC, the pressure on the sternum was maintained for about 0.5 sec (sustained pressure technique), flow and mean arterial pressure were improved by 32 and 20%, respectively, as compared with flow and pressure obtained with a quick and more jerky compression.
  • (17) Spastic contractions of the striated sphincter during detrusor contraction were observed in 8 patients with an intermittent and jerky urinary stream.
  • (18) About half were indistinguishable from wild type; the others exhibited "jerky" or "twirly" movements instead of relatively straight paths.
  • (19) d-Tc increased ambulation and caused jerky side-to-side movements.
  • (20) Expiration is attended by a specific component of a vomiting reaction--jerky contraction of the abdominal muscles directed at evacuation of the food from the gastrointestinal tract.