TY - RPRT TI - A biomechanical model for the upper extremity using optimization techniques. AU - M A Ayoub AU - M M Ayoub AU - A G Walvekar PY - 1974 DO - 10.1177/001872087401600603 UR - https://pubmed.ncbi.nlm.nih.gov/4442903/ ID - 4442903 ER -