Usage patterns
関節が痛いone's joint(s) hurt
My joints hurt on rainy days.
関節を痛めるto injure a joint
I injured my knee joint from overexerting myself.
関節が外れるfor a joint to dislocate
I fell and dislocated my shoulder joint.
関節を曲げるto bend a joint
Please slowly bend your elbow joint.
関節に負担がかかるfor strain to be put on a joint
Standing for long periods puts strain on your joints.