Which Muscle(s) Initiates(initiate) Glenohumeral Abduction

question 31

Multiple Choice

Which muscle(s) initiates(initiate) glenohumeral abduction?

• A)Middle deltoid
• B)Supraspinatus
• C)Anterior and middle deltoid
• D)Infraspinatus

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Definitions:

Longshore Current

A current, generally in an ocean or large lake, flowing more or less parallel to a coastline.

Prevailing Wind

The most common or frequent wind direction in a particular place, influenced by global patterns or local topography.

Shoreline Sand

Sand found along the edge of a sea, lake, or river, commonly composed of finely divided rocks and mineral particles.

Low Tide

The state of the tide when it is at its lowest level, resulting in the minimal reach of seawater on the shore.