Aim of this study is to investigate the effects of treadmill versus cycling endurance training on Balance, gait performance and exercise capacity in patients with severe chronic obstructive pulmonary disease. Patients will be recruited during a 3-week inpatient pulmonary rehabilitation program and will be randomized into one of two intervention groups. Walking intensity in the treadmill group will be set at 80 percent of the average speed of the 6-minute walking test. The cycling group will exercise at an intensity of 60 percent according to an Initial incremental cycling test. Patients will perform 5 to 6 training sessions per week. The total exercise duration will be progressively increased from 10 to 30 minutes. Walking or cycling intensity will also be progressively increased if perceived exertion during exercise is rated below 3 on the modified 10-point Borg scale.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
30
n = 15 patients with COPD. Walking intensity will be initially set at 80 percent of 6-minute Walking test Speed with progressive increase in Duration and intensity.
n=15 patients with COPD. Cycling intensity will initially be set at 60 percent of Peak work rate with progressive increase in Duration and intensity
Schoen Klinik Berchtesgadener Land
Schönau am Königssee, Germany
Change in step symmetry during 20m walking
Patients walk 20m while wearing the Mc Roberts move test device (triaxial accelerometer) which performs a gait analysis
Time frame: measurement on day 1 and 21
Change in balance performance during semi-tandem stance
patients stand still for 10 seconds on a force platform that measures absolute path length of the center of force.
Time frame: measurement on day 1 and 21
Change in balance performance during Romberg stance
patients stand still for 10 seconds on a force platform that measures absolute path length of the center of force.
Time frame: measurement on day 1 and 21
Change in balance performance during single leg stance
patients stand still for 10 seconds on a force platform that measures absolute path length of the center of force.
Time frame: measurement on day 1 and 21
Change in muscle power during counter movement jump
patients jump on a force platform as high as possible. The Outcome is Watt per Kilogram Body weight
Time frame: measurement on day 1 and 21
Change in 1 Minute sit to stand test
Patients try to perform as many repetitions as possible of standing up and sitting down from a chair with crossed arms on a force platform during 1 minute
Time frame: measurement on day 1 and 21
Change in 5 Repetition sit to stand test
Patients try to perform 5 repetitions of standing up and sitting down from a chair with crossed arms on a force platform as quick as possible
Time frame: measurement on day 1 and 21
Change in peak muscle strength
isometric peak torque of the knee extensor muscles are measured in 90° knee angle
Time frame: measurement on day 1 and 21
Change in 4 meter gait Speed test
patients have to walk 4 meters at their usual Speed. Outcome is the average Speed during the 4m walk.
Time frame: measurement on day 1 and 21
Change in 6-minute Walk test
the best out of two 6- Minute Walk Tests will be used for analysis
Time frame: measurement on day 1 and 21
Change in Hospital anxiety and Depression scale
the Hospital anxiety and Depression scale is a questionnaire that evaluates signs of anxiety or depression
Time frame: measurement on day 1 and 21
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