TY - RPRT TI - Strength testing with a portable dynamometer: reliability for upper and lower extremities. AU - J C Agre AU - J L Magness AU - S Z Hull AU - K C Wright AU - T L Baxter AU - R Patterson AU - L Stradel PY - 1987 UR - https://pubmed.ncbi.nlm.nih.gov/3606371/ ID - 3606371 ER -