The origin of the deltoid is identical to the insertion of which muscle? Right
Ans - Trapezius (clavical, acromion, and spine of the scapula)
What action can you ask your partner to perform in order to contract all fibers
of the deltoid? Right Ans - Abduct shoulder
The actions of the deltoid's anterior & posterior fibers make it an ? to itself?
Right Ans - antagonist
The upper fibers of the trapezius elevate the scapula, so the lower fibers
must ? the scapula Right Ans - depeess
Bilateral contraction of the upper fibers of the trapezius will create what
movement of the head and neck? Right Ans - extension
To feel the middle fibers of the trapezius will create what movement of the
head and neck? Right Ans - retraction/addiction of the scapula
one palpatory distinction between the teres major and latissimus dorsi is that
the teres attaches to the ? of the scapula Right Ans - lateral border
Passive abduction of the scapula would ? the middle fibers of the trapezius
Right Ans - lengthen
Passive elevation of the scapula would ? the trapezius' upper fibers and ? it's
lower fibers Right Ans - shorten, lengthen
Passive rotation of the head & neck to the left would ? the left trapezius' upper
fibers Right Ans - left
Passive flexion of the shoulder would ? the anterior fibers of the deltoid
Right Ans - shorten
Passive lateral rotation of the shoulder would ? the deltoids posterior fibers.
Right Ans - Shorten
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