Ann Rehabil Med.  2019 Dec;43(6):642-649. 10.5535/arm.2019.43.6.642.

Correlation Between Mechanography and Clinical Parameters at Six Months After Hip Fracture Surgery

Affiliations
  • 1Department of Physical Medicine and Rehabilitation, Chung-Ang University Hospital, Chung-Ang University College of Medicine, Seoul, Korea. powe5@cau.ac.kr
  • 2Department of Orthopaedic Surgery, Chung-Ang University Hospital, Chung-Ang University College of Medicine, Seoul, Korea.
  • 3Department of Rehabilitation Medicine, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea.

Abstract


OBJECTIVE
To investigate the correlation between mechanography and clinical parameters in older people at 3 and 6 months after hip fracture surgery.
METHODS
A longitudinal follow-up study was conducted in university hospitals with 38 patients at 3 months and 29 patients at 6 months after hip fracture surgery. Subjects 65 years and older completed measurements on the Berg Balance Scale (BBS), Functional Ambulation Category (FAC), walking ability by Koval, Korean version of the fatigue, resistance, ambulation, illnesses, and loss of weight (K-FRAIL) scale, and hand grip strength. The Romberg test with center of foot pressure (COP), chair rise test (CRT), and maximal power (W/kg) were conducted using the Leonardo Mechanograph.
RESULTS
COP area and pathway length were correlated with BBS at 3 and 6 months. Change in BBS was correlated with change in COP area, but not with change in COP length. COP area and pathway length were correlated with K-FRAIL at 3 months after hip fracture surgery. The same COP variables showed correlations with FAC and walking ability by Koval at 6 months after surgery. Maximal power during CRT had correlation with chair rise time but not with other clinical parameters.
CONCLUSION
The study revealed correlations between mechanography and clinical parameters in older people at 3 and 6 months after hip fracture surgery. Both the clinical assessment and objective test with mechanography may be required for the quantitative and sensitive measurement of postural balance and lower limb muscle power.

Keyword

Hip fractures; Postural balance; Dependent ambulation; Muscle strength

MeSH Terms

Dependent Ambulation
Fatigue
Follow-Up Studies
Foot
Hand
Hand Strength
Hip Fractures
Hip*
Hospitals, University
Humans
Lower Extremity
Muscle Strength
Postural Balance
Walking
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