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Teres Minor

Contents

Anatomy pictures

Teres minor - posterior
Teres minor - posterolateral
Teres minor - lateral

Referred pain pattern

Teres minor - pain pattern

Symptoms

  • Numbness, paraesthesia (tingling) of 4th and 5th fingers activated by abduction/elevation and retraction of shoulder

Muscle attachment zones

Videos

Short version

Detailed version

Synergists

Lateral rotation shoulder

  • Posterior Deltoideus
  • Infraspinatus

Antagonists

Medial rotation

  • Anterior Deltoideus
  • Pectoralis Major
  • Latissimus Dorsi
  • Teres Major
  • Subscapularis

ANATOMY

Position

  • Superficial

Origin

  • Superior part of margo lateralis scapulae

Insertion

  • Tuberculum majus humerus (inferior facet)

Main function

  • Shoulder
    • Lateral rotation

Secondary function

  • Shoulder
    • Adduction

Nerve innervation

  • Segmental
    • C5-C6
  • Peripheral
    • Nervus axillaris

Arterial supply

  • Cricumflex scapular artery
  • Posterior circumflex humeral artery