Muscles
Flexor Digitorum Profundus Trigger Points
Symptom Area: Forearm and Hand
Flexor Digitorum Profundus Trigger Points are explored here through their location and referred pain pattern. Muscle knots is an everyday term used for tender muscular spots; myofascial pain describes pain involving muscle and its surrounding connective tissue. Deep finger flexor; trigger points produce finger pain and a sense of grip weakness or stiffness.
Where you feel it
When the Flexor Digitorum Profundus holds active trigger points, you usually notice it as volar finger pain. Where the pain spreads: Pain running down the palmar side of the corresponding fingers, often described as an aching or cramping finger. What often sets it off: Prolonged gripping, climbing, playing instruments, repetitive tool use, sustained typing with unsupported forearms.
Overview
Flexor digitorum profundus arises from the anterior ulna and interosseous membrane and inserts on the distal phalanges of the four fingers, flexing the distal interphalangeal joints. It works with flexor digitorum superficialis, and the two are usually shown together in the same forearm figure.
Trigger point locations
Points in the deep anterior forearm, palpable through the superficial flexors in the proximal and middle forearm.
Referred pain pattern
Pain running down the palmar side of the corresponding fingers, often described as an aching or cramping finger.
Palpation & testing
With the forearm supinated and the wrist relaxed, sink slowly through the superficial flexor layer while the patient bends the fingertip only; the deep belly hardens under the fingers.
Common causes
Prolonged gripping, climbing, playing instruments, repetitive tool use, sustained typing with unsupported forearms.
Self-care & clinical treatment
Finger flexor stretching, graded grip loading, forearm self-massage with a ball, grip and tool ergonomics. Clinically: needling of the deep flexor layer with care for the neurovascular structures.
Treatment protocol
For Flexor Digitorum Profundus, the general protocol applies: sustained pressure release on the taut band, then stretch and active movement in the newly gained range.
Position and palpation: With the forearm supinated and the wrist relaxed, sink slowly through the superficial flexor layer while the patient bends the fingertip only; the deep belly hardens under the fingers.
Regional precaution for clinicians: In the forearm and hand the median nerve at the pronator teres, the ulnar nerve at the cubital tunnel and Guyon's canal, the radial nerve in the supinator arcade and the radial artery at the wrist are all superficial and must be avoided; needles are short and angled away from the neurovascular bundles.
Primary Symptoms
Often confused with
These muscles cause the same primary symptoms, so they are checked together:
Related muscles in this region
Related articles
References
- • triggerpoints.net — reference
Medically reviewed by: Marco Aruffo — physiotherapist since 2006, specialised in myofascial pain · Last reviewed:
