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Pronator Teres

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 Pronator teres is a superficial anterior muscle of the forearm.

Anatomical Attachments:

  • Origin: This muscle has two heads; the humeral head attaches superiorly to the medial epicondyle of the humerus; the ulnar head attaches from the coronoid process of the ulna.
  • Insertion: Attaches to the middle of the lateral aspect of the radius.

Action: Pronates the forearm and hand, and it also aids in forearm flexion at the elbow.

Synergist: Flexor carpi radialis, Palmaris longus, Flexor carpi ulnaris, Flexor digitorum superficialis and profundus, Flexor pollicis longus, Pronator quadratus.

Antagonist: Brachioradialis, Supinator, Extensor carpi radialis longus and brevis, Abductor pollicis longus, Extensor pollicis brevis and longus, Extensor digitorum, Extensor digiti minimi, Extensor carpi ulnaris, Extensor indicis.

 

Click for Muscle Test 

 

Nerve Supply: Median Nerve (C6, C7).

Nerve Entrapment: Entraps the ulnar nerve.

Vascular supply: Anterior ulnar recurrent artery.

Travell and Simons Trigger Point Pain Referral:  The pain refers deep in the anterior wrist and forearm.

 

 

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Trigger Point Signs and Symptoms: Pain with movement, difficulty turning the palm upward with extension, inability to cup the hand.

Trigger Point Activating and Perpetuating Factors: Trauma to the wrist or elbow.

Differential Diagnosis: (Segmental, Subluxation, Somatic dysfunction) C6 or C7 radiculopathy, Subacute meningitis or Peripheral neuropathy, Dupuytrenís contracture, Polyneuropathy, Lateral epicondylitis, Tendinitis, Tenosynovitis, Carpal tunnel syndrome, Fibromyalgia, Charcotís arthropathy, Rheumatoid arthritis, Osteoarthritis of wrist and thumb, Eosinophilic fasciitis, Systemic Lupus Erythematosus, Cubital tunnel syndrome, Diabetic neuropathy, Raynaudís Phenomena, Raynaudís Disease, Sprain/Strain injury, Complex regional pain syndrome (Reflex sympathetic Dystrophy), Systemic infections or inflammation, Nutritional inadequacy, Metabolic imbalance, Toxicity, Side effects of medication.

 

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