Lisa S Jutte1, Blaine C Long, Kenneth L Knight. 1. School of Physical Education, Sport, & Exercise Science, Ball State University, Muncie, IN 47306, USA. lsjutte@bsu.edu
Abstract
CONTEXT: Thermocouples' leads are often too short, necessitating the use of an extension lead. OBJECTIVE: To determine if temperature measures were influenced by extension-lead use or lead temperature changes. DESIGN: Descriptive laboratory study. SETTING: Laboratory. OTHER PARTICIPANTS: Experiment 1: 10 IT-21 thermocouples and 5 extension leads. Experiment 2: 5 IT-21 and PT-6 thermocouples. METHODS: In experiment 1, temperature data were collected on 10 IT-21 thermocouples in a stable water bath with and without extension leads. In experiment 2, temperature data were collected on 5 IT-21 and PT-6 thermocouples in a stable water bath before, during, and after ice-pack application to extension leads. RESULTS: In experiment 1, extension leads did not influence IT-21 validity (P = .45) or reliability (P = .10). In experiment 2, postapplication IT-21 temperatures were greater than preapplication and application measures (P < .05). CONCLUSIONS: Extension leads had no influence on temperature measures. Ice application to leads may increase measurement error.
CONTEXT: Thermocouples' leads are often too short, necessitating the use of an extension lead. OBJECTIVE: To determine if temperature measures were influenced by extension-lead use or lead temperature changes. DESIGN: Descriptive laboratory study. SETTING: Laboratory. OTHER PARTICIPANTS: Experiment 1: 10 IT-21 thermocouples and 5 extension leads. Experiment 2: 5 IT-21 and PT-6 thermocouples. METHODS: In experiment 1, temperature data were collected on 10 IT-21 thermocouples in a stable water bath with and without extension leads. In experiment 2, temperature data were collected on 5 IT-21 and PT-6 thermocouples in a stable water bath before, during, and after ice-pack application to extension leads. RESULTS: In experiment 1, extension leads did not influence IT-21 validity (P = .45) or reliability (P = .10). In experiment 2, postapplication IT-21 temperatures were greater than preapplication and application measures (P < .05). CONCLUSIONS: Extension leads had no influence on temperature measures. Ice application to leads may increase measurement error.
Authors: Lisa S Jutte; Kenneth L Knight; Blaine C Long; Jeremy R Hawkins; Shane S Schulthies; Ethan B Dalley Journal: J Athl Train Date: 2005 Jul-Sep Impact factor: 2.860