The muscle that inserts on the acromion and scapular spine is the Trapezius.
The trapezius muscle inserts into the scapular spine acromion and posterior superior lateral clavicle. Contraction of its various parts thus allows the scapula to be lifted, suspended, stabilized, and rotated. inserted. The deltoid muscle inserts into the acromion process, the main muscle that raises and extends the arm.
In humans, the acromion process can be flat curved hooked, or convex depending on the shape. The intrinsic muscles of the scapula include the rotator cuff teres major subscapularis teres minor and infraspinatus. These muscles attach to the surface of the scapula and assist in the abduction and external and internal rotation of the glenohumeral joint.
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B. A chemical reaction transforms thermal energy into chemical energy
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to adjust how much light is let into the eye
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Geocentric - Earth Centered solar system
Heliocentric - Sun Centered solar system
