Shoulder blade

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SHOULDER BLADE

It is a very flat, even bone that can be translucent at certain points. Forms the dorsal part of the shoulder girdle.

It has a triangular shape with two faces, three edges and three angles.

Faces

Dorsal Face

 Scapula Spine & #8211; Separates the supra and infraspinatus fossae

 Acromium & #8211; It is located at the end of the spine

 Supraspinous Fossa & #8211; It is concave and smooth, located above the spine

 Infraspinous Fossa & #8211; It is concave and located below the spine

Costal Face

 Subscapular Fossa

Borders

  • Top Edge

 Scapular Notch & #8211; Semi-circular notch located on the lateral portion and formed by the base of the coracoid process

 Coracoid Process & #8211; Curved and thick process near the shoulder blade

  • Side Edge
  • Medial Edge

Angles

Lower Angle & #8211; Thick and rough

Higher Angle & #8211; Thin, smooth and rounded

Side Angle & #8211; It is expanded in a thick process. Enter shoulder joint

        Glenoid Cavity & #8211; It is an excavation of the scapula that articulates with the humerus.

        Supra-Glenoid Tuber & #8211; It is located above the glenoid cavity

        Infra-Glenoid Tuber & #8211; It is located below the glenoid cavity

THE Scapula articulates with two bones: humerus and collarbone.

Scapula Joints
SCOPE & #8211; PREVIOUS VIEW
 Scapula - Previous View
Source: SOBOTTA, Johannes. Atlas of Human Anatomy. 21st. Rio de Janeiro: Guanabara Koogan, 2000.
SCOPE & #8211; BACK VIEW
 Scapula - Posterior View
Source: SOBOTTA, Johannes. Atlas of Human Anatomy. 21st. Rio de Janeiro: Guanabara Koogan, 2000.
SCOPE & #8211; SIDE VIEW
 Scapula - Side View
Source: SOBOTTA, Johannes. Atlas of Human Anatomy. 21st. Rio de Janeiro: Guanabara Koogan, 2000.

 

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