• The ulna is longer and the radius is shorter, but the radius is thicker and the ulna is thinner. (wikipedia.org)
  • Fractures of both the radius and ulna are usually treated with two separate incisions and rarely with one single incision. (sicot-j.org)
  • For this we describe a relatively safe single straight posterior incision for exposure of the whole shafts of both the radius and ulna with the forearm rested on a board across the chest. (sicot-j.org)
  • The ulna was exposed between the extensor carpi ulnaris muscle and flexor digitorum profundus muscle covered by the aponeurosis of the flexor carpi ulnaris muscle and the radius between the extensor digitorum muscle and the extensor carpi radialis brevis muscle. (sicot-j.org)
  • During operation there was no difficulty in reducing or fixing any of the fractures in the whole shafts of the radius and ulna and at follow-up (average 5.2 years) there was no radioulnar synostosis or neurovascular injury in any of the forearms. (sicot-j.org)
  • Fractures of the distal radius and ulna account for three fourths of wrist injuries. (medscape.com)
  • Traumatic divergent dislocation of the elbow, in which the radius and ulna dislocate in diverging directions, remains an infrequent injury that usually occurs in children. (jotsrr.org)
  • It extends from the elbow to the wrist and contains two bones, the radius and ulna. (or.tz)
  • OBJECTIVE The main objective of this study is to determine the prevalence, mechanism of injury and management outcome of radius / ulna fracture among children attended in KCMC Orthopedic department from 2013-2015. (or.tz)
  • This study was a hospital based retrospective cross sectional study aiming at establishing prevalence, mechanism of injury and management outcome of radius / ulna fractures among children attended at KCMC Orthopedic department from 2013-2014. (or.tz)
  • The study was conducted to a population of patients who were admitted and/or treated at clinic with radiographic diagnosis of radius and/or ulna fracture. (or.tz)
  • Purposive sampling for children with radiographic diagnosis of radius and ulna fracture was done. (or.tz)
  • RESULTS: All 103 children have the radiological diagnosis of radius and ulna fracture, boys were 3.5 times more affected than girls, the age of the patients ranged from 2-17 with median age of 10years meaning that, primary school age children (8-13 years) more affected 56.3% than preschool (1-7years) 22.3% and secondary school (14-17 years) least affected. (or.tz)
  • Therefore radius and ulna fractures can be managed by Invasive methods in older children and results in acceptable radiological and functional outcome. (or.tz)
  • The wrist consists of the distal radius, the ulna, the carpal bones, and the bases of the metacarpals. (medscape.com)
  • The ulnar aspect of the radius has a concavity: the sigmoid notch, which articulates with the convex semicircular head of the distal ulna. (medscape.com)
  • [ 3 ] When the DRUJ is considered, it is important to note that the radius pronosupinates upon the ulna. (medscape.com)
  • In both pronation and supination, the radius shortens (pronation) and lengthens (supination) in relation to the ulna. (medscape.com)
  • In the neutral position, the lengths of the radius and ulna should not differ by more than 1 mm. (medscape.com)
  • [ 4 , 5 , 6 ] Palmer and Werner coined the term TFCC to describe the ligamentous and cartilaginous structure that suspends the distal radius and ulnar carpus from the distal ulna. (medscape.com)
  • [ 8 ] Hemiarthroplasty does not replace the ulna and radius, which may lead to painful degeneration of these native articulating surfaces. (medscape.com)
  • The bones comprising the wrist include the distal ends of the radius and ulna, 8 carpal bones, and the proximal portions of the 5 metacarpal bones (see the images below). (medscape.com)
  • The right ulna served as non-loaded control in each animal. (bath.ac.uk)
  • X-ray assay of the right arm showed an osteolytic lesion in the distal end of the right ulna, with soft tissue heterogeneity extending to the skin surrounding the bone ( Figure 1 ). (who.int)
  • The anteroposterior radiograph showed a lateral dislocation of the radial head, dislocated both at the elbow and the superior radio-ulnar joint, a medial dislocation of the ulna and a wedge fracture of the ulnar shaft. (jotsrr.org)
  • The triangular fibrocartilage complex ( TFCC ) serves as a cushion between the ulnar head and the ulnar carpal bones and also as a major stabilizer of the DRUJ and distal ulna. (medscape.com)
  • The ulna or ulnal bone (PL: ulnae or ulnas) is a long bone found in the forearm that stretches from the elbow to the wrist, and when in anatomical position, is found on the medial side of the forearm. (wikipedia.org)
  • That is, the ulna is on the same side of the forearm as the little finger. (wikipedia.org)
  • Close to the elbow, the ulna has a bony process, the olecranon process, a hook-like structure that fits into the olecranon fossa of the humerus. (wikipedia.org)
  • Elbow loading promotes longitudinal bone growth of the ulna and the humerus. (cdc.gov)
  • In view of recently recognized anabolic responses promoted by a joint-loading modality, we examined the effects of elbow loading on longitudinal growth of the ulna and the humerus. (cdc.gov)
  • Furthermore, the mRNA levels of the selected transcription factors were elevated in the loaded ulna and humerus. (cdc.gov)
  • Close to the wrist, the ulna has a styloid process. (wikipedia.org)
  • Here, we present the unusual association of a divergent dislocation of the left elbow with a fracture of the ulna shaft in a 55-year-old man. (jotsrr.org)
  • The lateral view showed a posterior dislocation of both ulna and radial head. (jotsrr.org)
  • After a successful reduction of the dislocation, internal fixation of the ulna shaft was done and the arm was casted for three weeks followed by early mobilization. (jotsrr.org)
  • The ulna does not articulate directly with the carpus but is separated from the triquetrum by a triangular fibrocartilage, which acts as a stabilizing structure. (medscape.com)
  • The distal ulna does not articulate with the carpus. (medscape.com)
  • Therefore, the ulna is considered to be the smaller bone of the two bones in the lower arm. (wikipedia.org)
  • animal bone, ulna? (lu.se)
  • The coronoid process is a triangular eminence projecting forward from the upper and front part of the ulna. (wikipedia.org)
  • The olecranon is a large, thick, curved eminence, situated at the upper and back part of the ulna. (wikipedia.org)
  • [ 3 ] In complete extension, the boney prominence on the upper end of the ulna, the olecranon, ensures stability by docking into the olecranon fossa. (medscape.com)
  • In one group, the left ulna was loaded cyclically in vivo 40 times, repeated on a further 5 occasions on alternate days. (bath.ac.uk)
  • In a second group, transcutaneous low-intensity pulsed ultrasound stimulation was applied to the left ulnae for the same duration as the period of loading. (bath.ac.uk)
  • Its base is contracted where it joins the body and the narrowest part of the upper end of the ulna. (wikipedia.org)
  • Monteggia fracture is defined as a fracture of the ulna (usually the proximal one third) with dislocation of the radial head. (medscape.com)
  • Researchers also reported that none of the ulna fractures in confirmed or suspected intimate-partner-violence cases were displaced fractures. (medscape.com)
  • Forearm fractures involve the middle of one or both of the forearm bones (radius and ulna). (msdmanuals.com)
  • Wrist Fractures Wrist fractures may involve the lower end of one or both of the forearm bones (radius or ulna) or, less often, a bone in the base of the hand. (msdmanuals.com)
  • Fractures of the Upper Forearm Elbow fractures may involve the upper arm bone (humerus) near the elbow-called lower (distal) humeral fractures-or one of the upper forearm bones (radius or ulna)-called radial head fractures. (msdmanuals.com)
  • Usually one of the bones (radius or ulna) in the forearm is broken from a direct blow. (msdmanuals.com)
  • X-ray assay of the right arm showed an osteolytic lesion in the distal end of the right ulna, with soft tissue heterogeneity extending to the skin surrounding the bone ( Figure 1 ). (who.int)
  • Ulnar referring to the ulna bone, medially positioned when in the standard anatomical position. (wikipedia.org)
  • Distal ulna head or neck fracture is commonly associated with distal radius fracture. (nih.gov)
  • The purpose of this study was to observe clinical and radiological outcomes in ulna hook plate osteosynthesis for distal ulna fracture associated with distal radius fracture. (nih.gov)
  • This retrospective study between 2010 and 2018 included patients presenting combined displaced distal ulna fracture and distal radius fracture who were treated with ulna hook plate osteosynthesis. (nih.gov)
  • Preoperative radiographs were reviewed to classify the distal ulna fracture according to Biyani. (nih.gov)
  • Functional outcome following extensor synovectomy and excision of the distal ulna in patients with rheumatoid arthritis. (ox.ac.uk)
  • We prospectively measured hand and wrist function in rheumatoid patients undergoing excision of the distal ulna. (ox.ac.uk)
  • Excision of the distal ulna in rheumatoid patients results in an improvement in some aspects of hand function. (ox.ac.uk)
  • Longitudinal postaxial defects include absence or hypoplasia of the fifth toe/finger (sometimes including the fourth toe/finger), and absence/hypoplasia of the fibula or ulna (see Fig. 46 ). (cdc.gov)
  • The unilateral absence or hypoplasia of the ulna, femur and fibula (femur-fibula-ulna complex). (cdc.gov)
  • Look for femoral deficiency , a feature of the femur-fibula-ulna complex. (cdc.gov)
  • Absence or hypoplasia of the ulna is much more likely to be a partial deficiency affecting only one arm. (cdc.gov)