TY - RPRT TI - The supine hip extensor manual muscle test: a reliability and validity study. AU - Jacquelin Perry AU - Walter B Weiss AU - Judith M Burnfield AU - JoAnne K Gronley PY - 2004 DO - 10.1016/j.apmr.2003.09.019 UR - https://pubmed.ncbi.nlm.nih.gov/15295763/ ID - 15295763 ER -