1) ACL joints 2) Anatomical hinges 3) Arthroscope sites 4) Arthroscopic sites 5) Arthroscopic surgery sites 6) Attacks below the waist 7) Baby bouncers 8) Baby supporters, at times 9) Bald cypress features 10) Benders 11) Benders under the table 12) Bent pieces of wood 13) Big joints 14) Body joints Found on https://www.crosswordclues.com/clue/knees