Functional Rehab Academy

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Opponens digiti minimi

Muscle origin: Hook of hamate bone and flexor retinaculum

Muscle insertion: Ulnar aspect of metacarpal bone 5

Muscle function: Flexion and lateral rotation/opposition of 5th finger

Nerve innervation: C8-T1 (Lovett reactor T9-10)

Myofascial lines:

Primary inhibatory muscles:

Related joints: Carpometacarpal

The end of pinky and thumb is placed together. Stabilize the 1st metacarpal bone with one hand and the try to break the pinky away from the thumb by applying pressure on the medial side of the 4-5th metacarpal bone with the opposite hand.

Functional anatomy for

Opponens digiti minimi

Organ relationship: Symp T1-9 / Parasymp CX (Vagus)

  • Heart (FA)
    • Symp – T1-6 (Cardiac plexus)
    • Parasymp – CX (Vagus)
  • Stomach (AK)
    • Symp – T5-9 (Celiac plexus)
    • Parasymp – CX (Vagus)

Synergists:

Release exercises

Corrective strength exercises

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