Abstract:
STUDY DESIGN:Trunk list was measured using three different techniques to compare accuracy, precision, and ease of use. OBJECTIVE:To obtain a reproducible technique for further studies of the nature, cause, and clinical relevance of trunk list. SUMMARY OF BACKGROUND DATA:Gravity-induced trunk list is a clinical sign that is frequently observed in patients with low back pain and has been associated with intervertebral disc lesions. METHODS:Patients with trunk list participated in a comparison of three techniques to determine list magnitude and direction. Paired measurements of trunk list were obtained from each patient using three techniques: a plumbline, a projected shadow, and the 3SPACE Isotrak (McDonnell Douglas Electronics Company, Colchester, VT). In addition, intra- and interobserver reliability of list measurement was assessed by comparison of paired measurements by each of two observers. RESULTS:List measurements assessed by the plumbline and the projected shadow techniques were not significantly different, but the Isotrak produced data that differed significantly (P < 0.05) from both of these techniques. Comparison of intra- and interobserver repeatability of list measurement using the plumbline technique indicated no significant difference between repeated measures by each observer or between two observers. CONCLUSIONS:A plumbline is the most useful instrument for measuring static trunk list, but its limitations and the need for standardization of measurement technique must be recognized.
journal_name
Spine (Phila Pa 1976)journal_title
Spineauthors
McLean IP,Gillan MG,Ross JC,Aspden RM,Porter RWdoi
10.1097/00007632-199607150-00011subject
Has Abstractpub_date
1996-07-15 00:00:00pages
1667-70issue
14eissn
0362-2436issn
1528-1159journal_volume
21pub_type
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