The objective of this study is to assess the superiority in achieving personal goals (set by the patient and the medical team) according to the GAS scale (Goal Attainment Scaling) while wearing the carbon medical device Ankle Foot Orthosis (AFO) compared to a standard plastic ankle foot orthosis.
Patient with a foot levator muscles impairment (single or bilateral drop foot) and / or instability of the back of the foot, associated with a deficit of the triceps
Patient with inability to stand on tip-toe on one foot
Patient having signed a free and informed consent
Patient affiliated or entitled to a social security scheme
Patient with fixed varus-equine foot
Patient with an unstable skin condition (whether or not treated with additional treatment that may change the footwear)
Patient with a a foot levator muscles impairment with a deficiency of the quadriceps and hamstrings (knee involvement)
Patient with uncontrolled spasticity
Sequential
Phase A1
DevicePlastic standard ankle foot orthosis
Phase B1
Devicecarbon medical device ankle foot orthosis
Phase A2
DevicePlastic standard ankle foot orthosis
Phase B2
Devicecarbon medical device ankle foot orthosis
Comparison of the ability to achieve personal goals while wearing carbon or standard plastic ankle foot orthosis
Personal goals achievement is evaluated via the Goal attainment scaling (GAS). Before starting the study, three personal objectives are defined according to patients needs and investigator review. Raw scores ranging from -3 (degradation) to +2 (maximum achievement of the objective) are defined: "-3" corresponding to degradation "-2" corresponding to the initial state "-1" corresponding to a partial objective achievement "0" corresponding to the total objective achievement "+1" corresponding to a better objective achievement "+2" corresponding to the maximum objective achievement. The GAS is filled 3 times a week during 12 weeks.
Comparison of patients mobility while wearing carbon or standard plastic ankle foot orthosis
Mobility is evaluated via staircase tests: Time (in minutes) to go up and down 10 steps
Comparison of patients walking perimeter while wearing carbon or standard plastic ankle foot orthosis
Walking perimeter is evaluated via the Six-minute walk test (6MWT), that measures the distance (in meters) during a 6 minutes walk.
Comparison of patients fatigue while wearing carbon or standard plastic ankle foot orthosis
Patient's fatigue perception is assessed by the patient via the Borg Rating of Perceived Exertion (RPE) scale following mobility and walking perimeter tests The effort rating is based on a scale of 6 to 20 (6, which is "no effort", to 20, which is "maximum effort").
Comparison of patients stability while wearing carbon or standard plastic ankle foot orthosis
Patient's stability is assessed by 2 means: 1. via the Timed Up and Go test : time (in seconds) to realize the test. The patient should stand up from a chair, walk a distance of three meters, turn around, then walk back to the chair and sit down. These tasks should be performed at a comfortable and safe speed. 2. via the number of falls recorded during each phase and their context
