So you looking for info, a book? Do you have online library subscription? Check journal of athletic training is free via pubmed. Book wise look at Magee orthopedic physical examination or clinical sports medicine of Brukner and Khan
As anatomy is quite simple the PCL is almost Vertical while the ACL is diagonal arising from the tibia to attach in lateral femoral condyle at its medial surface. Get a piece of paper and make your hands the correspoding bones and perfrom the movements.