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12 Minute Shuttle Walk Test (12MSW)

General Information
Background Author/s or Creator/s Dr J P Buckley Dr R Quinlivan Objectives The objective of the 12 minute walk test is to observe a second wind and measure the maximum distance walked in 12 minutes to assess exercise function. The test has been modified from the standard 12 minute walk test for cardiac, respiratory and cerebrovascular disease. Modification includes recording of BORG RPP scale and heart rate each minute. Category of Outcome Measure Functional   Disease Type   Used Validated Muscle   X Respiratory   X Cardiac   X Chronology of Development The 12 MSWT has been modified from the Bruce protocol used for ischaemic heart disease. Time Information Time to Recall At Assessment Recall Period Not Applicable Time to Complete 12 minutes Application Mode of Assessment Administered by trained evaluator   Age Group Adolescents (12 to 15 Years) Adults (16 Years and Over)   Age Related Limitations Not Applicable Languages   Original Definitive Validated Translation Informal Translation English UK X     Conditions of Use and Contact Information Conditions of Use Free Access   Copyright Owner Not Applicable Contact Name Dr Ros Quinlivan Organisation Name Robert Jones and Agnes Hunt NHS Orthopaedic Trust Postal Address Gobowen, Oswestry, SY6 7AB, United Kingdom URL (Web Address) www.rjah.nhs.uk Email Address Unknown Phone Unknown

top of page Timed Tasks - Walking
Distance Actual Distance Travelled   Surface Conditions Hard Floor (e.g cement) Smooth Texture Even   Gradient Flat   Direction 180 Degree Turn Number of Turns Permitted The patient should walk in a straight line the length of which is 20m. They should turn at each end. The number of turns will therefore be determined by the distance the person walks. Feet Shod Comfortable walking shoes or trainers should be worn.

top of page Timed Tasks
Level of Difficulty/Resistence Self Determined Time Allowed Predetermined 12 minutes Rest: Permitted/Required Rest is Required During Test Refer to Restrictions Below Motion at Commencement and Time at Rest Motionless At the start of the test the patient should be sitting and have sat for five minutes. If necessary they should be taken by wheelchair to the start point. Monitoring and Safety Measures Pulse/Heart Rate   Monitoring and Safety: Additional Information The patient is fitted with a wireless heart monitor. Assistance Permitted Canes and walkers are allowed if needed. Restrictions Patient must not let muscle pain exceed BORG level 4. This prevents contracture and together with the HR highlights a second wind at 7 minutes. Instructions The test can be conducted in a corridor with 20m shuttles (pre measured). The patient is asked to walk as fast as they can in 12 minutes, but they must not let muscle pain exceed BORG level 4. Scoring Basis Distance Travelled   Measurements BORG RPP Scale Heart Rate Results The total walking distance is the final outcome measure. Patients who walk > 800m are normal, 500-800m mild impairment, < 500m the patient is likely to have severe impairment in ADLs (activities of daily living). BORG RPP scale and heart rate are measured each minute.