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Adductor 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 Adductor Pollicis is a muscle of the hand.

Anatomical Attachments:

  • Origin: The adductor pollicis has two heads. The oblique head attaches from the capitate bone, and the base of the 2nd and 3rd metacarpal bones, the transverse head attaches to the distal 2/3 of the 3rd metacarpal bone.
  • Insertion: Attaches to the base of the proximal phalanx of the thumb.

Action: Adduction of the thumb.

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

Antagonist: Palmaris brevis, Abductor digiti minimi, flexor digiti minimi, Opponens digiti minimi.

 

Click for Muscle Test 

 

Nerve Supply: Ulnar Nerve (C8, T1).

Vascular supply: Deep volar arch artery

Travell and Simons Trigger Point Pain Referral:  

Click on a small image to view an enlarged image

 

Trigger Point Signs and Symptoms: There is an inability for fine manipulation requiring the prehensile pincer grip, e.g. writing, buttoning clothes, or sewing.

Trigger Point Activating and Perpetuating Factors: A repeated strong pincer grip, writing for a long period of time.

Differential Diagnosis: Carpal tunnel Syndrome, (Segmental, Subluxation, Somatic dysfunction) C6 radiculopathy, De Quervain’s stenosing tenosynovitis, Osteoarthritis, Articular Dysfunction, Carpometacarpal dysfunction, Bone cancer, Bone fracture, Strain/Sprain, Rheumatoid Arthritis, Dupuytren’s Contracture, Paronychia (Ingrown thumbnail), 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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