King-Devick Test, Inc. offers a broad set of evidence-based solutions utilizing integrated technology for concussion management, reading performance. 1 Dec The King-Devick (K-D) test is a vision-based tool of rapid number naming for assessment of concussion. In this study, we evaluated the utility of. Figure 2. Demonstration and test cards for the King-Devick test, a candidate rapid sideline screening for concussion based on speed of rapid number naming.

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Neurology Today ; Clin King-devick test Med ; Curr Sports Med Rep ; 8: The interpretation of our study requires a consideration of its limitations.

The King-Devick test as a determinant of head trauma and concussion in boxers and MMA fighters

Worsening of K-D scores in this setting might be helpful for determining if a meaningful head blow has taken king-devick test. The demographic data pertaining to each participant group are outlined in Table 1. Over half go unreported and a substantial number may be asymptomatic.

K-D times at the second visit for the acute group were similar to those of controls Do not be redundant. More info By continuing to browse the site you are agreeing to our use of cookies. Larger sample sizes will also allow us to capture acute patients who will develop PCS, to test hypotheses of the sensitivity and specificity of the K-D test in patients with concussion and mTBI over time.

The K-D test is king-devick test accurate and reliable method for identifying athletes with head trauma, and is a strong candidate rapid sideline screening test for concussion.

Boxers who sustained head trauma during their fight were given the MACE king-devick test immediately after the sparring session followed by the King-devick test test. Sum scores, and their difference, were used as outcome measures. Rapid number naming may be impaired in developmental dyslexia and other learning disabilities LD.

While the manifestations of postconcussion syndrome are best captured by king-devick test testing batteries such as ImPACT, 37 and may be influenced by intellectual ability or king-devick test, tests of rapid number naming such as K-D represent king-devjck objective measure. Open in a separate window.

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Those suffering from PCS may have experienced greater damage to cortical and subcortical structures in the prefrontal cortex, thus resulting in ongoing cerebral king-devick test and slowing of saccades beyond the usual month period in which most decrements in cognitive function resolve [ 2632 ].

Acute effects and recovery time following concussion in collegiate football players. The K-D test is a saccadic eye measurement test that relies on the principle of rapid kimg-devick naming [ king-devick test — 15 ]. High degrees of king-vevick reliability were noted for the K-D test king-devick test this study.

King-Devick Test identifies real-time concussion and asymptomatic concussion in youth athletes

IHSA has new concussion rule, but some critics demand more. Measuring the allocation of attention in the Stroop task: King-devick test should undergo preseason and king-devick test K-D testing, with additional evaluation real time to inform the assessment of suspected concussion. The K-D test is an accurate and king-devick test method for identifying athletes with head trauma, and is a strong candidate rapid sideline screening test for concussion.

Although we saw total symptom and severity scores improve between the first and second assessments in the acute group, we could not show an improvement in K-D times over the two visits.

When to disqualify an athlete after a concussion. April 26, ; 76 17 Articles. Controls participants must also not have had a history king-devick test prior head injuries.

Select only one of the three options below: Prefight K-D scores were similar across groups, with slightly lower mean time scores noted for the second prefight testing session table 2. For purposes of determining test-retest reliability of precompetition K-D scores, all kiing-devick were king-devick test twice king-devick test a minute period before their sparring session by the same examiners.

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The King-Devick test as a determinant of head trauma and concussion in boxers and MMA fighters

Postfight time scores in this cohort of boxers and MMA fighters were greater worse postfight for participants who had head trauma during their match. King-devick test studies should focus on conducting more frequent visits over time, to better elucidate the pattern of performance on saccadic eye movement tests such as the K-D test among those suffering from chronic concussion. Search for this keyword. Sports-related concussion has received increasing attention as a result of neurologic sequelae seen among athletes, highlighting the need for a validated, rapid screening tool.


Injury rates and risk factors in competitive professional boxing. The numbers of errors were very king-devick test, with one participant making 2 errors and another one error on postfight king-devick test.

The K-D test was administered prefight and postfight. The management king-devick test sports-related concussion: Submit only on articles published within the last 8 weeks. To perform the K-D test, participants were asked to read the numbers on each card from left king-devick test right as quickly king-devick test possible but without making any errors.

International Review of Psychiatry ; 15 4: Br J Sports Med ; 43 suppl 1: J Neurol Neurosurg Psychiatry ; However, there was no overlap in the distribution of changes in scores from prefight to postfight, with a substantial gap between the worst change in the no head trauma group and king-devick test best change in the head trauma group.

Conclusions We found that K-D times inversely correlate king-devicck with the number of correct Stroop hest regardless of whether king-devici had sustained an injury or not suggesting that the K-D test can by-proxy provide insightful information about more complex cerebral functions associated with selective attention, such as response inhibition.