A randomised observational study of individualised variations in the start position of the closed-kinetic chain upper extremity stability test

Callaway, Andrew; Peck, Joshua; Ellis, Shelly; Williams, Jonathan M.

doi:10.1016/j.ptsp.2019.10.007

Cited by 12 publications

(21 citation statements)

References 9 publications

(15 reference statements)

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“…Recently authors have suggested that placement of the hands in the starting position should correspond to the anthropometric characteristics of the participant. 20,28 The participant was asked to move as quickly as possible alternating their reach to each piece of tape. A warmup trial was done to familiarize each participant before the three trials of the test.…”

Section: Malementioning

confidence: 99%

“…10 The majority of these studies have examined test-retest reliability and three of these studies investigated and reported the average number of touches, normalized score, and power score. 20,22,28 A Comparison of Resting Scapular Posture and the Davies Closed Kinetic Chain Upper Extremity Stability Test Use of the power score and normalized score requires further investigation. Goldbeck and Davies 12 first described the power score using 68% of the participant's weight in kilograms based on Dempster's work.…”

Section: Investigated Four Different Positions (At Restmentioning

confidence: 99%

“…Authors have suggested that the height of the participant, the maturational stage, or anthropometric measurements such as shoulder width place for those with a narrower build creates a performance disadvantage for the CKCUEST. 11,28 Callaway et al 28 suggest that the original CKCUEST starting position of placement of the hands 36 inches apart is not justified. 12 Callaway et al 28 suggest that using 36 inches as the starting position is inappropriate for both sexes as taller participants will have a greater advantage over shorter participants which leads them to suggest a different starting position appropriate to the height of the participant.…”

Section: Investigated Four Different Positions (At Restmentioning

confidence: 99%

“…11,28 Callaway et al 28 suggest that the original CKCUEST starting position of placement of the hands 36 inches apart is not justified. 12 Callaway et al 28 suggest that using 36 inches as the starting position is inappropriate for both sexes as taller participants will have a greater advantage over shorter participants which leads them to suggest a different starting position appropriate to the height of the participant. 28 Callaway et al 28 investigated four different starting positions (36 inches, shoulder breadth, acromial distance, and 50% of the participant's height) and reported that the starting position at 50% of the participant's height resulted in the smallest standard error of measurement and minimal detectable change of all three positions.…”

Section: Investigated Four Different Positions (At Restmentioning

confidence: 99%

“…28 Callaway et al 28 investigated four different starting positions (36 inches, shoulder breadth, acromial distance, and 50% of the participant's height) and reported that the starting position at 50% of the participant's height resulted in the smallest standard error of measurement and minimal detectable change of all three positions. Callaway et al 28 only investigated males in their study so it is unknown if performance improves in females using this starting position. Taylor et al 11 used shoulder width as the starting position for male and female collegiate athletes as an attempt to adjust for body-size heterogeneity of the athlete.…”

Section: Investigated Four Different Positions (At Restmentioning

confidence: 99%

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A Comparison of Resting Scapular Posture and the Davies Closed Kinetic Chain Upper Extremity Stability Test

Heick

Haggerty

Manske

2021

International Journal of Sports Physical Therapy

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BACKGROUNDIn orthopaedic practice, it is well established that weak scapular stabilizers and an unstable scapula is related to shoulder dysfunction. Faulty scapular position has been linked to decreased scapular stability and is thought to be a result of weak or unbalanced timing in the recruitment of scapulothoracic dynamic stabilizing muscles. Kibler has described a four-type classification of scapulothoracic dysfunction. Functional performance testing is used to objectively measure activities that simulate various desired activities. The reliability of assessing the four static scapular positions may be important in diagnosing shoulder dysfunction. An understanding of the scapular position and its relationship to functional performance testing is needed. PURPOSEThe purpose of this study was to determine if a static scapular test, the Kibler scapula classification, in healthy participants affects the ability to perform a closed chain functional test that involves the use of the scapula and the upper extremity, the Davies Closed Kinetic Chain Upper Extremity Stability Test (CKCUEST). A secondary analysis was performed to evaluate the reliability of a student physical therapist and an experienced physical therapist to identify scapular type by observation. STUDY DESIGNMulticenter, single session descriptive cohort METHODSSixty-one healthy participants (33 males, 28 females; mean age 24.19±2.61) completed testing across two locations in one testing session. Blood pressure and heart rate as well as height and weight were measured for each participant. Participants were classified by visual observation of Kibler scapular classification. The average number of CKUEST touches, a normalized score, and a power score were calculated for each participant. Three trials were performed and participants were required to take a 45-second rest break between each CKCUEST trial.

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Section: Malementioning

confidence: 99%

Section: Investigated Four Different Positions (At Restmentioning

confidence: 99%