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Flexor Carpi Ulnaris

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 Flexor carpi ulnaris is a superficial anterior muscle of the forearm.

Anatomical Attachments:

  • Origin: There are two heads of the Flexor carpi ulnaris, the humeral head attaches to the medial epicondyle of the humerus and the ulnar head attaches from the olecranon process and the proximal posterior ulna.
  • Insertion: Attaches to the pisiform bone, the hamate and the 5th metacarpal.

Action: Flexes and adducts the wrist and the hand, and aids with flexion of the forearm.

Synergist: Flexor carpi radialis, Palmaris longus.  

Antagonist: Abductor pollicis longus, Flexor digitorum superficialis and profundus, Flexor pollicis longus.


Click for Muscle Test 


Nerve Supply: Ulnar Nerve (C8, T1).

Nerve Entrapment: Entraps the ulnar nerve.

Vascular supply: Posterior ulnar recurrent artery.

Travell and Simons Trigger Point Pain Referral:  


Click on a small image to view an enlarged image


Trigger Point Signs and Symptoms: Pain during activities requiring gripping and wrist flexion.

Trigger Point Activating and Perpetuating Factors: Persistent or sustained gripping with wrist flexion, which is frequently observed in persons who cup their hands over the end of a chair; skiers as a result of gripping poles or handles; construction workers who use hand tools, which are either heavy or have persistent vibration such as jackhammers, saws or drills

Differential Diagnosis: Medial epicondylitis, Ulnar neuropathy, Carpal tunnel syndrome, Charcotís arthropathy, Rheumatoid arthritis, Osteoarthritis of wrist, (Segmental, Subluxation, Somatic dysfunction) C5 radiculopathy, Subacute meningitis or Peripheral neuropathy, Dupuytrenís contracture, Diabetic neuropathy, Polyneuropathy, Systemic lupus erythematosus, Complex regional pain syndrome (Reflex sympathetic Dystrophy), Systemic infections or inflammation, Nutritional inadequacy, Metabolic imbalance, Toxicity, Side effects of medication.


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