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. 2023 Nov 30:4:0069.
doi: 10.34133/cbsystems.0069. eCollection 2023.

Can a Purposeful Walk Intervention with a Distance Goal Using an Activity Monitor Improve Individuals' Daily Activity and Function Post Total Hip Replacement Surgery. A Randomized Pilot Trial

Shayan Bahadori  1 , Jonathan Mark Williams  2 , Sarah Collard  3 , Ian Swain  1
Affiliations

Can a Purposeful Walk Intervention with a Distance Goal Using an Activity Monitor Improve Individuals' Daily Activity and Function Post Total Hip Replacement Surgery. A Randomized Pilot Trial

Shayan Bahadori et al. Cyborg Bionic Syst. .

Abstract

Individuals have increasingly high expectations of return to activity following total hip replacement (THR) surgery. The current literature demonstrates marked improvements in pain following THR. However, there is limited evidence showing objective improvement in daily activity. This randomized pilot trial aimed to determine the effect of an intervention where outdoor walking distance is used as a goal to increase daily activity of older adults using a commercial activity monitor at 3 to 6 months post THR. Findings suggested that the participants in the intervention group had higher activity levels after THR, compared to those in the control group. The Cohen's effect sizes were larger for the changes in the gait, Hip Disability and Osteoarthritis Outcome Score, and Psychosocial Impact of Assistive Devices Scale data in the intervention group in contrast to the control group. However, further research with a larger sample size is required to provide tangible evidence on the significance of the effect of the purposeful walk compared to step count.

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Conflict of interest statement

Author contributions: SB was responsible for the conceptualization, writing, and management. SB wrote the initial draft of the manuscript. SC, JW, and IS all supervised the writing and helped to revise the manuscript. All authors read and approved the final manuscript.

Figures

Fig. 1.
Fig. 1.
Study flow chart and group design.
Fig. 2.
Fig. 2.
Diagram of markers used in HBM. T10, 10th thoracic vertebrae; SACR, sacrum bone; NAVE, navel; XYPH, xiphoid process; STRN, sternum; LASIS, pelvic bone left front; RASIS, pelvic bone right front; LPSIS, pelvic bone left back; RPSIS, pelvic bone right back; LGTRO, left greater trochanter of the femur; FLTHI, left thigh; LLEK, left lateral epicondyle of the knee; LATI, left anterior of the tibia; LLM, left lateral malleolus of the ankle; LHEE, left heel; LTOF, left toe; LMT5, left 5th meta tarsal; RGTRO, right greater trochanter of the femur; FRTHI, right thigh; RLEK, right lateral epicondyle of the knee; RATI, right anterior of the tibia; RLM, right lateral malleolus of the ankle; RHEE, right heel; RTOF, right toe; RMT5, right 5th meta tarsal.
Fig. 3.
Fig. 3.
Participant flow diagram.
Fig. 4.
Fig. 4.
The total amount of purposeful distance walked by each participant per week.
Fig. 5.
Fig. 5.
The total amount of steps taken by each participant per week.
Fig. 6.
Fig. 6.
Mean difference in gait data for each participant in the intervention and the control group. (A) Mean difference in walking speed for each participant in the control group. (B) Mean difference in walking speed for each participant in the intervention group. (C) Mean difference in the step length of the operated side for each participant in the control group. (D) Mean difference in the step length of the operated side for each participant in the intervention group. (E) Mean difference in the cadence for each participant in the control group. (F) Mean difference in the cadence for each participant in the intervention group.
Fig. 7.
Fig. 7.
HOOS data for each participant in the intervention and the control group. (A) Mean difference in HOOS for each participant in the control group. (B) Mean difference in HOOS for each participant in the intervention group.
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