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“deltoid”
deltoid (adjective), more deltoid, most deltoid
1. In the shape of the fourth letter of the Greek alphabet: A capitalized delta is a triangle; so, deltoid means triangular in shape or configuration.
2. The large muscle, roughly triangular in shape, that stretches from the clavicle (collarbone) to the humerus (the long bone in the upper arm) and so covers the shoulder: When a deltoid is contracted (flexed), it moves an arm away from the side of the body.
2. The large muscle, roughly triangular in shape, that stretches from the clavicle (collarbone) to the humerus (the long bone in the upper arm) and so covers the shoulder: When a deltoid is contracted (flexed), it moves an arm away from the side of the body.
The central, strongest part of the deltoid muscle, raises an arm sideways while the front and back parts of the muscle can twist the arm.
This entry is located in the following units:
delta, delt-; Δ, δ
(page 2)
-oid, -oidal, -oidism, -odic
(page 6)
Word Entries containing the term:
“deltoid”
The internal lateral or medial ligament of the ankle joint.
This entry is located in the following unit:
delta, delt-; Δ, δ
(page 2)
A large, thick triangular muscle that covers the shoulder joint: The deltoid muscle is the prime mover of the arm away from the central turning part of the body and it is also a synergist (working in combination with something else to increase its activity) of arm flexion (process of bending or the state of being bent), extension, and medial and lateral rotations.
This entry is located in the following unit:
delta, delt-; Δ, δ
(page 2)
The ridge on the humerus where the deltoid muscle is attached.
This entry is located in the following unit:
delta, delt-; Δ, δ
(page 2)