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  2. Acromion - Wikipedia

    en.wikipedia.org/wiki/Acromion

    In human anatomy, the acromion (from Greek: akros, "highest", ōmos, "shoulder", pl.: acromia) is a bony process on the scapula (shoulder blade). Together with the coracoid process, it extends laterally over the shoulder joint. The acromion is a continuation of the scapular spine, and hooks over anteriorly.

  3. Deltoid muscle - Wikipedia

    en.wikipedia.org/wiki/Deltoid_muscle

    To stop this compressing against the undersurface of the acromion the humeral head and injuring the supraspinatus tendon, there is a simultaneous contraction of some of the muscles of the rotator cuff: the infraspinatus and subscapularis primarily perform this role. In spite of this there may be still a 1–3 mm upward movement of the head of ...

  4. Supraspinous fossa - Wikipedia

    en.wikipedia.org/wiki/Supraspinous_fossa

    The supraspinous fossa is bounded by the spine of scapula on the inferior side, acromion process on the lateral side and the superior angle of scapula on the superior side. Supraspinatus muscle originates from the supraspinous fossa. Distal attachment of the levator scapulae muscle is also on the medial aspect of the fossa.

  5. Acromioclavicular joint - Wikipedia

    en.wikipedia.org/wiki/Acromioclavicular_joint

    It is attached, by its apex, to the summit of the acromion just in front of the articular surface for the clavicle; and by its broad base to the whole length of the lateral border of the coracoid process. [2] This ligament, together with the coracoid process and the acromion, forms a vault for the protection of the head of the humerus.

  6. Clavicular facet of scapula - Wikipedia

    en.wikipedia.org/wiki/Clavicular_facet_of_scapula

    Clavicular facet of scapula is small oval facet on the medial border of the acromion for articulation with the acromial facet on the lateral end of the clavicle. [1] Also called Clavicular articular facet of acromion. The coracoacromial ligament is attached near the clavicular facet. [2]

  7. Process (anatomy) - Wikipedia

    en.wikipedia.org/wiki/Process_(anatomy)

    In anatomy, a process (Latin: processus) is a projection or outgrowth of tissue from a larger body. [1] For instance, in a vertebra, a process may serve for muscle attachment and leverage (as in the case of the transverse and spinous processes), or to fit (forming a synovial joint), with another vertebra (as in the case of the articular processes). [2]

  8. Great scapular notch - Wikipedia

    en.wikipedia.org/wiki/Great_scapular_notch

    The great scapular notch (or spinoglenoid notch) is a notch which serves to connect the supraspinous fossa and infraspinous fossa.It lies immediately medial to the attachment of the acromion to the lateral angle of the scapular spine.

  9. Spine of scapula - Wikipedia

    en.wikipedia.org/wiki/Spine_of_scapula

    Its inferior surface forms part of the infraspinatous fossa, gives origin to a portion of the infraspinatus, and presents near its center the orifice of a nutrient canal. Of the three borders, the anterior is attached to the dorsal surface of the bone; the posterior, or crest of the spine, is broad, and presents two lips and an intervening ...