Rhomboid muscles
Rhomboid Muscles
The Rhomboid muscles (pronunciation: /ˈrɒmbɔɪd ˈmʌsəlz/) are a pair of muscles located in the upper back region of the human body. They are named for their rhombus-like shape, with the term "rhomboid" deriving from the Greek word "rhomboeidēs", meaning "like a rhombus".
Anatomy
The Rhomboid muscles consist of two muscles on each side of the upper back: the Rhomboid major and the Rhomboid minor. These muscles are located between the spine and the scapula, or shoulder blade. They are responsible for the retraction of the scapula, contributing to movements such as pulling the shoulders back.
Function
The primary function of the Rhomboid muscles is to retract the scapula, which means pulling it towards the spine. This action is crucial in many upper body movements, including throwing, pulling, and lifting. The Rhomboid muscles also help to maintain proper posture by keeping the shoulders pulled back and the upper back straight.
Related Terms
- Scapula: The shoulder blade, a triangular bone located on the upper back.
- Spine: The backbone, a column of vertebrae that runs down the middle of the back.
- Rhomboid major muscle: The larger of the two Rhomboid muscles.
- Rhomboid minor muscle: The smaller of the two Rhomboid muscles.
Etymology
The term "Rhomboid" comes from the Greek word "rhomboeidēs", which means "like a rhombus". This is a reference to the shape of these muscles, which resemble a rhombus or diamond shape.
External links
- Medical encyclopedia article on Rhomboid muscles
- Wikipedia's article - Rhomboid muscles
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