Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Averaged acceleration (A–B) and EMG (C–D) traces for one adolescent and one adult with Down syndrome over the interval of the first flexion. Each data point reports the mean value (black lines) and ±1 standard deviation (grey lines) computed from 10 trials. The time base is expressed as fraction of the first flexion length.
