Participants
HSP, psychiatric
HSP, MOVEMENT DISORDERS, MOVEMENT DISORDERS
Participants were recruited via the outpatient clinic of the Center of Expertise
for Rare and Genetic Movement Disorders of the Radboud University Medical Center
and via the Dutch HSP working group of the patient organization “Spierziekten
Nederland.” Inclusion criteria were (1) diagnosis of pure HSP by a neurologist
specialized in genetic movement disorders, (2) aged between 18 and 70 years old,
and (3) ability to walk barefoot on a level ground without a walking aid (use of
orthopedic devices was allowed). Participants were excluded if they suffered
from concomitant neurological, orthopedic or psychiatric conditions that might
affect gait performance, or if they had any HSP-related surgical procedure of
the lower extremities in their medical history. Participants provided
demographic information including age and sex. Clinical characteristics that
were recorded consisted of leg muscle tone assessed with the Modified Ashworth
Scale (MAS; range 0-5),