Technical Tuesday Deltoid
The deltoid muscle is easy to recognize on the outer edge of
the shoulder and upper arm. It is more or less triangular in shape and because
of this it was named after the triangular Greek letter Delta. It is attached by
tendons to the clavicle, scapula and humerus. It is widest at the shoulder, and
tapers from there.
The deltoid muscle allows a wide range of motion including
the ability of the arm to rotate – very important for dancers. Also, any time
the arms are overhead, the deltoid is working. Because it is a large muscle
(comprised of three main sets of fibers), it helps prevent dislocation of the
shoulder.
It is unusual to see
injuries to the deltoid in dancers, but the most common one – usually in male
dancers - is a strain, and any sudden sharp pain in the area, especially when
raising the arm out from the side of the body, should be evaluated.
From the Big Blue Book of Ballet Secrets:
Secret #25t:
“The deltoid muscle
is triangular in shape and named after the Greek letter Delta.”
Link of the Day:
Quote
of the Day:
“If we all did the things we are really
capable of doing, we would literally astound ourselves.”
― Thomas A. Edison
― Thomas A. Edison
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