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Scapula Bone – Posterior Anatomy

Posterior Scapula Bone Anatomy

Bone Markings:

  1. image descriptionSuperior border or margin (Margo superior) is the upper edge of the scapula that runs next to the clavicle. The omohyoid muscle attaches along this surface. image descriptionIllustration / image descriptionReal Bone
Illustration of posterior scapula
Posterior scapula with labeled superior border
Posterior scapula bone with labeled superior border
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  1. image descriptionMedial border or margin (Margo medialis) is the medial edge of the scapula and is also called the vetebral border. This area is an attachment point for the rhomboid major, rhomboid minor and serratus anterior muscles. image descriptionIllustration / image descriptionReal Bone
Illustration of posterior scapula
Posterior scapula with labeled medial border
Posterior scapula bone with labeled medial border
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  1. image descriptionLateral border or margin (Margo lateralis) is the lateral edge of the scapula. The teres minor muscle attaches along this surface, which is also called the axillary border. image descriptionIllustration / image descriptionReal Bone
Illustration of posterior scapula
Posterior scapula with labeled lateral border
Posterior scapula bone with labeled lateral border
Slide for labels
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  1. image descriptionSuperior angle (Angulus superior) is a sharp curvature at the junction of the superior and medial borders. This area is an attachment point for levator scapula muscle. image descriptionIllustration / image descriptionReal Bone
Illustration of posterior scapula
Posterior scapula with labeled superior angle
Posterior scapula bone with labeled superior angle
Slide for labels
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  1. image descriptionLateral angle (Angulus lateralis) is the junction of the superior and lateral borders. Its slightly concave lateral edge articulates with the head of the humerus. image descriptionIllustration / image descriptionReal Bone
Illustration of posterior scapula
Posterior scapula with labeled lateral angle
Posterior scapula bone with labeled lateral angle
Slide for labels
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  1. image descriptionInferior angle (Angulus inferior) is a sharp curvature formed at the junction of the medial and lateral margins. It is an area of attachment for the teres major muscle. image descriptionIllustration / image descriptionReal Bone
Illustration of posterior scapula
Posterior scapula with labeled inferior angle
Posterior scapula bone with labeled inferior angle
Slide for labels
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  1. image descriptionScapular spine (Spina scapulae) is a long ridge that runs diagonally across the upper posterior surface of the bone. The trapezius and posterior deltoid muscles attach to the surface of this prominent elevation.. image descriptionIllustration / image descriptionReal Bone
Illustration of posterior scapula
Posterior scapula with labeled scapular spine
Posterior scapula bone with labeled scapular spine
Slide for labels
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  1. image descriptionAcromion (Acromion scapulae) is a lat-eral, fan-like extension of the spine. It also is an attachment point for the trapezius and posterior deltoid muscles. image descriptionIllustration / image descriptionReal Bone
Illustration of posterior scapula
Posterior scapula with labeled acromion
Posterior scapula bone with labeled acromion
Slide for labels
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  1. image descriptionSupraspinous fossa (Fossa supraspinata) is a slightly depressed area located superior to the spine. The supraspinatus muscle attaches to this region of the scapula. image descriptionIllustration / image descriptionReal Bone
Illustration of posterior scapula
Posterior scapula with labeled supraspinous fossa
Posterior scapula bone with labeled supraspinous fossa
Slide for labels
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  1. image descriptionInfraspinous fossa (Fossa infrspinata) is a large, slightly depressed area located inferior to the spine. It serves as an attachment point for the infraspinatus muscle. image descriptionIllustration / image descriptionReal Bone
Illustration of posterior scapula
Posterior scapula with labeled infraspinous fossa
Posterior scapula bone with labeled infraspinous fossa
Slide for labels
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  1. image descriptionGlenoid cavity or fossa  (Cavitas glenoidalis) is a slight concavity at the lateral angle. It forms a shallow socket for the articulation of the head of the humerus. image descriptionIllustration / image descriptionReal Bone
Illustration of posterior scapula
Posterior scapula with labeled glenoid cavity
Posterior scapula bone with labeled glenoid cavity
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  1. image descriptionInfraglenoid tubercle  (Fossa subscapularis) (Tuberculum infra-glenoidale) is a small prominence on the inferior margin of the glenoid fossa. The long head of the triceps brachii muscle attaches to this knob-like ridge. image descriptionIllustration / image descriptionReal Bone
Posterior scapula with labeled inferior angle
Posterior scapula with labeled infraglenoid cavity
Posterior scapula bone with labeled infraglenoid cavity
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Test yourself:

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Test yourself on posterior scapula with hidden answers
Test yourself on posterior scapula with answers
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