Effect of ankle stretching combined with arm cycling on the improvement of calf muscle stiffness in patients with stroke: a pilot study.
Akira Ochi, Masahisa Fukumoto, Ryosuke Takami and 3 others
PMID 30349169WHAT IT FOUND
Adding assisted arm cycling to tilt-table ankle stretching reduced calf stiffness more than stretching alone, but range improvement did not differ and walking speed did not change in stroke patients continuing routine rehabilitation.
Key findings
01With routine daily rehabilitation continuing, adding assisted arm cycling to tilt-table ankle stretching produced a greater average reduction in calf stiffness (-16.8%) than stretching alone (-7.9%).
02Both stretching conditions increased maximum ankle dorsiflexion range after each session, but adding arm cycling did not increase range more than stretching alone.
03Walking speed did not change significantly after either stretching condition.
STILL TO COME
How it was doneWhat they foundWhat it means for PTs
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What it does not show
Only a small pilot group was studied, so the result is preliminary. Participants had mild to moderate spasticity and could already walk independently, so it does not show what happens in more severe spasticity or non-ambulatory stroke. All participants received routine rehabilitation every day, so the separate contribution of routine therapy, stretching, and arm cycling cannot be separated. The study did not confirm that voluntary arm cycling continued throughout the session. Maximum range was defined by subjective calf pain, so pain tolerance may have influenced the range result. The crossover was short and measured immediate changes, not long-term effects.
Declared interests
This work was supported by a Seijoh University Joint Research Promoting Grant. The authors declared no conflicts of interest.
The easy way to misread this
Do not conclude that assisted arm cycling adds walking or range benefit beyond stretching. Walking speed did not change significantly, range improvement did not differ between conditions, and all participants also received routine rehabilitation.