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Opponens Pollicis
Pointer Plus

Pointer Plus

The Pointer Plus is an easy to use trigger point (TP) locator which incorporates a push button stimulation feature to immediately treat Trigger point pain.

 

The Opponens Pollicis is a muscle of the hand.

Anatomical Attachments:

  • Origin: Attaches to the ridge of the trapezium bone and from the flexor retinaculum.
  • Insertion: Attaches to the radial side of the 1st metacarpal bone.

Action: Abducts, rotates and flexes the thumb.

Synergist: Abductor pollicis brevis, Flexor pollicis brevis and Adductor pollicis.

Antagonist: Palmaris brevis, Abductor digiti minimi, Flexor digiti minimi, Opponens digiti minimi

 

Click for Muscle Test 

 

Nerve Supply: Median Nerve (C6, C7).

Vascular supply: Superficial volar branch of the radial artery.

Travell and Simons Trigger Point Pain Referral:  

Click on a small image to view an enlarged image

 

Trigger Point Signs and Symptoms: Thumb pain, difficulty with holding objects.

Trigger Point Activating and Perpetuating Factors: Knitting, coloring or drawing for long periods of time.

Differential Diagnosis: (Segmental, Subluxation, Somatic dysfunction) C6 or C7 radiculopathy, Carpal tunnel syndrome, De Quervain’s stenosing tenosynovitis, Carpometacarpal dysfunction, Osteoarthritis, Articular Dysfunction, Paronychia (Ingrown thumbnail), Bone cancer, Bone fracture, Strain/Sprain, Rheumatoid Arthritis, Dupuytren’s Contracture, Ganglion cyst, Mixed Connective Tissue Disease, Raynaud’s Phenomenon, Frostbite, Diabetic Neuropathy, Systemic infections or inflammation, Nutritional inadequacy, Metabolic imbalance, Toxicity, Side effects of medication.

 

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