Cuellar, WA and Blizzard, CL and Callisaya, M and Hides, J and Jones, Graeme and Winzenberg, TM, Ultrasound imaging: Reliability of measurements of abdominal and multifidus muscle thickness and multifidus cross-sectional area of adults aged 50-79 years, Australian Physiotherapy Association Conference, October 2015, Gold Coast, Australia (2015) [Conference Extract]
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Question: What is the procedural reliability of the measurement of abdominal and multifidus muscle thickness and cross-sectional area from ultrasound imaging of older adults?
Design: Intra-examiner procedural reliability study with repeated measurements one week apart.
Participants: Twenty-three older adults (70% male, age range 51-75 years) participating in a randomised controlled trial of vitamin D supplements for knee osteoarthritis.
Outcome measures: Ultrasound images of abdominal and multifidus muscle thickness and multifidus cross-sectional area.
Results: Reliability of abdominal muscle thickness measurements both at rest and contracted, and of multifidus cross-sectional area, were substantial (ICC 0.81-1.0). Reliability of multifidus measurements of muscle thickness at rest and contracted ranged from fair to substantial (ICC 0.55-0.86).
Conclusion: Abdominal muscle thickness and multifidus cross-sectional area of older adults can be measured using ultrasound imaging with similar reliability to that for younger adults. Reliability of multifidus muscle thickness at L4-5 level was lower than that reported previously for older adults.
|Item Type:||Conference Extract|
|Keywords:||Abdominal muscles, multifidus muscles, older adults, ultrasound imaging, reliability, intra-examiner|
|Research Division:||Medical and Health Sciences|
|Research Group:||Clinical Sciences|
|Objective Group:||Specific Population Health (excl. Indigenous Health)|
|Objective Field:||Health Related to Ageing|
|UTAS Author:||Cuellar, WA (Mr William Cuellar)|
|UTAS Author:||Blizzard, CL (Professor Leigh Blizzard)|
|UTAS Author:||Callisaya, M (Dr Michele Callisaya)|
|UTAS Author:||Jones, Graeme (Professor Graeme Jones)|
|UTAS Author:||Winzenberg, TM (Professor Tania Winzenberg)|
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