deltoid
/'deltɔid/
Definition
Adjective:
- Triangular in shape: Resembling the shape of the Greek letter delta (Δ), which is an equilateral triangle.
- Suggesting a capital delta: Having a broad base and a pointed apex, similar to the geometric form.
Noun:
- A large triangular muscle: A thick, triangular muscle that covers the shoulder joint, responsible for moving the arm away from the body (abduction), as well as flexing, extending, and rotating the arm.
Examples of Usage
Adjective:
- The geologist pointed out the deltoid shape of the river delta on the map.
- The kite had a simple, deltoid form.
Noun:
- He injured his deltoid while lifting weights.
- Strengthening the deltoid is important for shoulder stability and a wide range of arm movements.
Advanced Usage
- "Deltoid ligament": A strong, triangular ligament on the inner side of the ankle joint.
- A sprain of the deltoid ligament is less common than an inversion ankle sprain.
Variants and Related Words
- Deltoideus: An alternative anatomical name for the deltoid muscle.
- The deltoideus is divided into anterior, middle, and posterior fibers.
Synonyms
- Triangular (adj): Having three sides and three angles.
- Shoulder muscle (n): A general term for muscles in the shoulder region, though not specific to the deltoid.
Related Phrases
- Deltoid tuberosity: A rough, V-shaped area on the humerus (upper arm bone) where the deltoid muscle attaches.
- The deltoid tuberosity is a key landmark for the muscle's insertion.
Adjective
-
triangular or suggesting a capital delta, with a point at the apex
Noun
-
a large triangular muscle covering the shoulder joint and serving to abduct and flex and extend and rotate the arm
Khám phá thêm
Các từ liên quan
Từ đồng nghĩa
Từ tương tự
Từ chứa "deltoid"
Từ có nhắc đến "deltoid"
