Contribution of an Off-the-shelf Carbon Ankle Foot Orthosis (AFO) in the Management of Walking Functional Impairment

Inclusion Criteria:

• 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

Exclusion Criteria:

• Patient with fixed varus-equine foot

• Patient with an unstable skin condition (whether or not treated with additionaltreatment that may change the footwear)

• Patient with a a foot levator muscles impairment with a deficiency of the quadricepsand hamstrings (knee involvement)

• Patient with uncontrolled spasticity

• Patient for whom foot surgery is planned during the study

• Patient with one of the contraindications to the use of carbon medical device,indicated in the instructions for use

• Patient with one of the contraindications to the use of the standard plastic anklefoot orthosis, indicated in the instructions for use

• Patient with orthopedic comorbidities affecting the musculoskeletal system

• Pregnant woman

• Patient with major cognitive impairment incompatible with participation in aclinical trial

• Patient participating in another clinical investigation conducted to establish thecompliance of a MD impacting the evaluation criteria

• Patient who cannot be followed for 12 weeks

• Vulnerable patient according to article L1121-6 of the public health code, personssubject to a measure of judicial protection or unable to consent freely