(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).
Torticollis
Definition:
(n.) See Wryneck.
Example Sentences:
(1) This treatment was given to 11 patients with Huntington's chorea (ChH), 4 with faciolingual dyskinesis (DFL), 3 with torticollis spasmodicus (TS), 3 with maladie des tics (MT) and 8 with dyskinesia following treatment with L-dopa (MP).
(2) The brain dialysis method was very useful for measuring the monoamine metabolite levels of the caudate nucleus while the experimental model was still alive and presenting the torticollis-like posture.
(3) These experimental findings suggest that stereotactic thalamotomy of the ventrolateral nucleus for spasmodic torticollis should be performed on the side ipsilateral to the contracting SCM muscle.
(4) Scoliosis was present in 21 patients with vertebral anomalies, torticollis in two, and lordosis in one.
(5) The dystonia began 1 to 4 days after the trauma and differed clinically from idiopathic torticollis by marked limitation of range of motion, lack of improvement after sleep ("honeymoon period"), and absence of geste antagonistique.
(6) The EMG activity of the sternomastoid muscles during head rotation in control subjects and those with hysterical torticollis showed similar characteristics and neither group showed a response to body tilt.
(7) A variety of other drug challenges and treatments for his torticollis had no psychotomimetic effect.
(8) Case records of 11 horses with acquired torticollis during a 15-year period were reviewed.
(9) On the whole the longterm results after torticollis operations were good.
(10) The most interesting finding that emerged was the association of paralysis of the trapezius muscle with myogenic torticollis: this was observed in six cases, three after and three before operation.
(11) 4 ng of botulinum type A toxin per eye were applied in the M. orbicularis oculi as first injection in the 18 patients without spasmodic torticollis.
(12) A patient with adenocarcinoma in the apical portion of the lung producing a Pancoast's syndrome developed torticollis a few months after receiving a course of radiation therapy (5,040 rad) to his upper chest and neck.
(13) We conclude that fine-needle aspiration provides a fast and accurate diagnosis of neck masses in infants who have congenital torticollis, thereby avoiding surgical procedures in this very young age group.
(14) In addition, the combination of torticollis and blepharospasm in our patient supports the previous concept that these two "focal dystonias" have a common pathophysiologic mechanism.
(15) Torticollis was an associated finding in 64 percent of infants with deformational frontal plagiocephaly; almost all were ipsilateral.
(16) Fifty-seven cases of spastic torticollis are reported, and its etiologic factors, including stressful situations, are analyzed.
(17) Cervical dystonia (torticollis) is one of the most common focal dystonias.
(18) To determine the usefulness of EMG-assisted botulinum toxin (BOTOX) injections for the treatment of spasmodic torticollis (ST), we randomized 52 ST patients into two groups and studied them prospectively.
(19) Therefore, in 109 cases encountered recently (81 parkinsonism, 11 essential tremor, 10 cerebral palsy, 3 thalamic pain, 1 Benedikt's syndrome, 1 torticollis, 1 oral dyskinesia, 1 striato-nigral degeneration), we studied the correlation between the width of the third ventricle and the lateral coordinate of the thalamic point where kinesthetic neurons or tremor-synchronously discharging neurons were detected.
(20) The sternocleidomastoid muscles from five children with muscular torticollis--examined by transmission electron microscopy, exhibited a marked increase in interstitial collagen deposition, and scattered areas of amorphous ground substance with electron dense deposits.