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The effect of an intensive exercise programme on leg function in chronic stroke patients: a pilot study with one-year follow-up

Department of Physical Medicine and Rehabilitation, Munkvoll Rehabiliteringssenter, St Olavs Hospital, Trondheim, Human Movement Science Programme, Norwegian University of Science and Technology, Trondheim, Norway

Paul Jarle Mork

Human Movement Science Programme, Norwegian University of Science and Technology, Trondheim, Norway, paul.mork{at}svt.ntnu.no

Objective: To investigate the effect of two weeks of intensive exercise on leg function in chronic stroke patients and to evaluate the feasibility of an intensive exercise programme in a group setting.

Design: Pilot study with one-group pre-test post-test design with two pre-tests and one-year follow-up.

Setting: Inpatient rehabilitation hospital.

Subjects: Twelve hemiparetic patients completed the intervention. Ten patients participated at one-year follow-up.

Intervention: Six hours of daily intensive exercise for two weeks with focus on weight-shifting towards the affected side and increased use of the affected extremity during functional activities. An insole with nubs in the shoe of the non-paretic limb was used to reinforce weight-shift toward the affected side.

Main measures: Timed Up and Go, Four Square Step Test, gait velocity, gait symmetry and muscle strength in knee and ankle muscles.

Results: Maximal gait velocity (P = 0.002) and performance time (seconds) on Timed Up and Go (mean, SD; 12.2, 3.8 vs. 9.4, 3.2) and Four Square Step Test improved from pre- to post-test (P = 0.005). Improvements remained significant at follow-up. Preferred gait velocity and gait symmetry remained unchanged. Knee extensor (P<50.009) and flexor (P<50.001) strength increased bilaterally from pre- to post-test but only knee flexor strength remained significant at follow-up. Ankle dorsi flexor (P = 0.02) and plantar flexor (P<0.001) strength increased on paretic side only (not tested at follow-up).

Conclusion: Intensive exercise for lower extremity is feasible in a group setting and was effective in improving ambulatory function, maximal gait velocity and muscle strength in chronic stroke patients. Most improvements persisted at the one-year follow-up.

This version was published on September 1, 2009

Clinical Rehabilitation, Vol. 23, No. 9, 790-799 (2009)
DOI: 10.1177/0269215509335291


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