Rhomboid Major Muscle Action, Insertion, Origin, and Function

Rhomboid Major Anatomy The Rhomboid major or Rhomboideus major is also called (in latin) the musculus rhomboideus major and is one of the deep extrinsic shoulder muscles (the deep posterior thoracoappendicular muscles) the others being levator scapulae and rhomboid minor. The two rhomboids (major and minor) lie deep to the trapezius muscle and form parallel bands that pass inferior …

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Rhomboid Minor Muscle Action, Insertion, Origin, Function and Test

The Rhomboid minor or Rhomboideus minor is also called the musculus rhomboideus minor and is one of the deep extrinsic shoulder muscles (the deep posterior thoracoappendicular muscles) the others being levator scapulae and rhomboid major. The Rhomboid minor is a narrow ribbon like muscle that lies parallel to the rhomboid major and arises from the C7 and …

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Coracobrachialis Muscle: Action, Function, Origin and Insertion

Coracobrachialis is a muscle of the anterior compartment of the arm, found in the upper and medial part of the arm. It is also called Musculus Coracobrachialis; this muscle is a useful landmark in the arm for locating other structures in the arm such as identifying the musculocutaneous nerve which pierces this muscle …

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Vulcanicity: Definition, Types and Effects of Vulcanicity

Vulcanicity Definition Vulcanicity refers to the rising of molten magma or other gaseous materials beneath the earth’s crust on the surface or within the earth’s crust. Molten magma naturally escapes through cracks and fissures, hence vulcanicity is associated with areas that have experienced mountain building processes of compression and tension. Types of …

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Mass Movement: Definition, Causes and Effects of Mass Movement (Mass Wasting)

Definition of mass movement/Mass Wasting Mass movement also known as mass wasting is referred to the slow or rapid movement of weathered materials (rocks, sand, soil or mud) down the slope and mountain under the direct force of gravity. Mass movement can take place slowly, gradually or rapidly, hence affecting shallow to deep columns of materials …

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