両肩

1. Origins, structure, and basic meaning

• Structure: 両肩, read りょうかた, refers to the left and right shoulders together.
• Basic usage: Use it for the condition or movement of both shoulders.

2. Common pitfalls and similar expressions

• Both and one side
  • 片肩 is one shoulder, while 両肩 means both.
• Condition and action
  • The example 両肩が痛くなった describes a change in condition.
  • The example 両肩を回した describes an action moving the shoulders.