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KIVO Med

Arm muscles

Organization of the arm compartments and descriptive anatomy of coracobrachialis, brachialis, biceps, and triceps.

  • 39 explained questions
  • 19 flashcards
  • 49 estimated course minutes

Updated

What you will learn

  • Locate the anterior and posterior compartments within the brachial fascia.
  • Describe the origins, insertions, and relations of the four arm muscles.
  • Relate each muscle to its actions and innervation.

Course outline

  1. A muscular map of the arm

    An overview of the two compartments that organize the study of the arm muscles.

    6 min

  2. Brachial fascia and the deep anterior layer

    Separation of the compartments and the attachments, actions, and innervation of coracobrachialis and brachialis.

    15 min

  3. Biceps brachii: two heads and a radial insertion

    The course of the two biceps heads and the relationship between its attachments and actions.

    14 min

  4. Triceps brachii: three origins converging on the olecranon

    The scapular and humeral origins of triceps, their common tendon, its action, and its innervation.

    14 min

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Educational resources for medical studies; they do not replace your faculty’s teaching or medical advice.

In the same subject

  • General principles of muscles

    Understand the functions, properties, shapes, attachments, and organizational patterns of muscles.

  • Shoulder muscles

    The anterior, medial, lateral, and posterior shoulder muscle groups, with their attachments, actions, and innervation.

  • Forearm muscles

    Anterior, posterior, and lateral forearm compartments and the boundaries of the anatomical snuffbox.

  • Muscles of the hand

    Organization, attachments, actions, innervation, and clinical assessment of the intrinsic hand muscles.