Complex sentence: The halo brace allows the least cervical motion of all cervical braces currently in use, it was first developed by Dr. Vernon L. Nickel at Rancho Los Amigos National Rehabilitation Center in 1955.
Split into simpler sentences: The halo brace allows the least cervical motion of all cervical braces currently in use. First developed by Dr. Vernon L. Nickel at Rancho Los Amigos National Rehabilitation Center in 1955.