Validity of a Belt Mounted Accelerometer to Assess Walking Measures in Patients With Chronic Stroke

University of Winchester

Status: Suspended

Conditions: Stroke; Gait, Hemiplegic

Treatments: Device: Gwalk accelerometer walking trials

Study type: Observational

Funder types: Other

Identifiers

NCT04288960

Wright_Validity_GWalk

Details and patient eligibility

About

The aim of this study is to validate the G-walk for several gait parameters, tested against a gold standard three dimensional camera system. This research will inform researchers and practitioners as to whether the G-Walk is a suitable and valid tool to easily assess walking ability in people with chronic stroke.

Full description

Twenty chronic stroke survivors will be recruited for this study from an independent neuro-physiotherapy practice and community exercise programme.Gait analysis will be used to look at several gait parameters through the use of a three-dimensional visual analysis system based in our Biomechanics Lab at the University of Winchester. Participants will attend testing one testing session of approximately 1 hour. During this testing session functional measures and walking trials will be assessed. Participants will first be asked to complete a set of simple movements that will contribute towards Fugl Meyer questionnaire. Twenty eight reflective markers will then be attached to specified joints and segments of the body, such as the thigh, with double sided sticky tape to allow for data collection through the camera system to collect kinematic data. The belt mounted accelerometer (G-Walk) will be positioned around the waist over the L5 vertebrae. Participants will be asked to perform 6 walking trials of 10m to collect 3D kinematic and accelerometer gait data.

Enrollment: 20 estimated patients

Sex: All

Volunteers: No Healthy Volunteers

Inclusion criteria

• <3 months post stroke
• Lower limb impairment
• Able to stand and step independently
• Functional ambulation classifications (FAC) of 2-5
• Modified Rankin Scale (MRS) of 1-3
• Cognitively aware to undertake the testing session

Exclusion criteria

• Unresolved deep vein thrombosis
• unstable cardiovascular conditions
• open wounds
• active drug resistant infection
• recent fractures of involved limb
• peripheral arterial disease
• incontinence
• severe osteoporosis
• non-weight bearing.

Trial design

20 participants in 1 patient group

Chronic Stroke

Description:

Twenty chronic stroke patients (\>3months post-stroke) will complete a one off session in a biomechanics lab. This session will include the Fugl Meyer Questionnaire and several walking trials along a flat, level 10m walkway. During this participants will wear a belt mounted accelerometer and small reflective markers on joints.

Treatment:

Device: Gwalk accelerometer walking trials