The phalanges of the fingers - the structure , functions , diseases


1. structure of the phalanges of the fingers

2. Which diseases changes the appearance of the phalanges of the fingers?

3. Hurt phalanx of the fingers: the main reasons

4. phalanx fracture hand

5. What diseases are accompanied by bumps on the phalanges of the fingers?

phalanges of the human upper limb consists of three parts - the proximal, middle (main) and the distal (end).The distal portion of the phalanx has a highly visible nail tuberosity.All fingers of a human hand are formed by three phalanges - the nail, the middle and primary.If we talk about the thumb, it consists of two phalanges.The longest average phalanx form and the thickest - thumbs up.

structure phalanges

hands According to anatomists, phalanges of the upper limbs are short tubular bones, which are shaped like a small elongated bones, in the form of the cylinder facing the convex part of the back of the hands.Almost every end phalanges has articular surfaces, which are involved in the formation of

the interphalangeal joints.These joints have ginglymoid form.They serve two purposes - flexion and extension of fingers.Interphalangeal joints strengthened collateral ligament.

Which diseases changes the appearance of the phalanges of the fingers?

Very often chronic illnesses of the internal organs of the upper limb phalanges mutate.They usually take the form of "drumsticks" (on the terminal phalanges observed bulbous).As for nails, they are reminiscent of the "watch hands".Such modifications of the phalanges are marked in the following diseases:

  • heart defects;
  • cystic fibrosis;
  • pulmonary disease;
  • infective endocarditis;
  • diffuse goiter;
  • Crohn's disease;
  • lymphoma;
  • cirrhosis of the liver;
  • esophagitis;
  • myelogenous leukemia.

Hurt phalanx of the fingers: the main reasons

interphalangeal joints (the smallest joints of the human body) may be affected by diseases that disrupt their mobility.These diseases are in most cases accompanied by excruciating pain.The main causes of violations of the mobility of interphalangeal joints are considered:

  • deforming osteoarthritis;
  • gouty arthritis;
  • rheumatoid arthritis;
  • psoriatic arthritis.

If these diseases are not treated, then after some time they will lead to a pronounced deformation of the joints of patients, a complete breakdown of their motor function, as well as atrophy of the hands and finger muscles.The clinical picture is very similar to the above-mentioned diseases, but their treatment is different.Therefore, people who have hurt phalanx of fingers, medspetsialisty advised not to self-medicate, and seek to experienced physicians.


phalanx Hand Judging by responses doctors, including special fracture of the phalanges of the fingers, usually occurs as a result of a direct blow.If we talk about the turn of the nail phalange, he almost always fragmentation.Such fractures are accompanied by severe pain in the phalanx of damage, swelling and limitation of function of a broken finger.

Treatment of fractures of the phalanges of the upper extremities without bias conservative.In this case, the trauma impose a plaster cast or aluminum bus for three weeks, and then prescribe therapeutic massage, physical education and physiotherapy.At the turn of the offset performed reposition (comparison of bone fragments) under local anesthesia.The cast or splint is applied to the metal a month.

What diseases are accompanied by bumps on the phalanges of the fingers?

Cones on the phalanges of the fingers are manifestations of many diseases, the most important of which are considered:

  • gout;
  • arthritis;
  • arthrosis;
  • osteoarthritis;
  • salt deposition.

Appeared bumps on the fingers of the upper limbs accompanied by unbearable pain, which intensified during the night.In addition, there is a characteristic seal joints leads to immobility and limiting their flexibility.

With regard to the treatment of these lumps, it is drug therapy, therapeutic and preventive gymnastics, massage, physiotherapy procedures and applications.

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