Intervention
No heating group, the patients did not receive
any heating intervention. They were informed to rest
in supine lying position on a plinth for 30 minutes.
Fifteen-minute heating group, the patients were
asked to rest in supine lying position on a plinth for
15 minutes first, and then the intervention therapist
immediately placed a 36 x 54 cm hydrocollator pack
covered with 2 layers of toweling under the subject’s
back muscle area covering from the posterior superior
iliac spine (PSIS) level towards upper back. The subjects
were in supine lying position during hydrocollator
pack application for another 15 minutes.
Thirty-minute heating group, the patients were
in supine lying position together with hydrocollator
pack application for 30 minutes. The methods of hydrocollator
pack preparation and application was as
well as the 15-minute group but different duration.
The 15- and 30-minute heating groups, for
safety and therapeutic purpose, the patients felt only
comfortably warm during heating. They were also
informed to keep the same position and not allowed
to move away from a hydrocollator pack. They were
also instructed to ask the intervention researcher any
time if toweling adjustment was needed entire duration
of heating for comfortable warmth. After heating, the
subjects slowly stood up for the measurements. The
hydrocollator pack used in this study was preheated for
24 hours at least in a heater at 80o
C with laboratory
room temperature controlled at 25o
C.
Intervention No heating group, the patients did not receiveany heating intervention. They were informed to restin supine lying position on a plinth for 30 minutes. Fifteen-minute heating group, the patients wereasked to rest in supine lying position on a plinth for15 minutes first, and then the intervention therapistimmediately placed a 36 x 54 cm hydrocollator packcovered with 2 layers of toweling under the subject’sback muscle area covering from the posterior superioriliac spine (PSIS) level towards upper back. The subjectswere in supine lying position during hydrocollatorpack application for another 15 minutes. Thirty-minute heating group, the patients werein supine lying position together with hydrocollatorpack application for 30 minutes. The methods of hydrocollatorpack preparation and application was aswell as the 15-minute group but different duration. The 15- and 30-minute heating groups, forsafety and therapeutic purpose, the patients felt onlycomfortably warm during heating. They were alsoinformed to keep the same position and not allowedto move away from a hydrocollator pack. They werealso instructed to ask the intervention researcher anytime if toweling adjustment was needed entire durationof heating for comfortable warmth. After heating, thesubjects slowly stood up for the measurements. Thehydrocollator pack used in this study was preheated for24 hours at least in a heater at 80oC with laboratoryroom temperature controlled at 25oC.
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