noun
shoulders and elbows
Refers to the shoulders and elbows as body parts. Often used in set phrases like 肩肘を張る (to be tense/stiff) or 肩肘をつく (to lean on one's elbow).
肩肘を張らずに、リラックスしてください。
Please relax without being tense.
彼は机に肩肘をついて考え込んでいた。
He was deep in thought, leaning his elbow on the desk.
Compound of 肩 (shoulder) and 肘 (elbow).