Median nerveFlexor digitorumsuperficialisUlnar nerve Ulnar arteryFlexor retinaculumHumero-ulnarhead of flexordigitorumsuperficialisUlnar arteryRadial head of flexordigitorumsuperficialisMedian nerve
Fig. 7.87 Deep layer of forearm muscles.
Fig. 7.88 Arteries of the anterior compartment of the forearm.
Fig. 7.89 Nerves of anterior forearm.
Fig. 7.90 Superficial layer of muscles in the posterior compartment of the forearm. A. Brachioradialis muscle (anterior view). B. Superficial muscles (posterior view).
Fig. 7.91 Deep layer of muscles in the posterior compartment of the forearm.
Fig. 7.92 Posterior interosseous artery and radial nerve in posterior compartment of forearm.
Posteriorinterosseous nerve(continuation ofdeep branch ofradial nerve)Commoninterosseous arteryAnteriorinterosseous arteryUlnar arteryPosteriorinterosseous arteryInterosseous membraneSuperficial branchDeep branchRadial nerveBranch tobrachioradialisBranch to extensorcarpi radialis brevisBranch to extensorcarpi radialis longusAnteriorinterosseous arteryPosteriorinterosseous arteryAnterior viewPosterior view
Fig. 7.93 Right hand. The fingers are shown in a normal resting arcade in which they are flexed. In the anatomical position, the digits are straight and adducted.
Carpal bonesThumbLittleRingIndexFingersRadiusWrist jointUlnaProximal skin creaseDistal skin creaseMetacarpalsDigits ofthe handAdductionAdductionAbductionAbductionMiddle
Fig. 7.94 Right hand and wrist joint. A. Bones.
Right hand and wrist joint. B. Radiograph of a normal hand and wrist joint (anteroposterior view). C. Magnetic resonance image of a normal wrist joint in the coronal plane.
RadiusWrist jointIIIIIIIVVScaphoidTrapezoidLunateUlnaTriquetrumTriquetrumPisiformPisiformHook ofhamateHamateHamatePhalangesAMetacarpalsCarpal bonesCapitateCapitateTrapeziumTrapeziumProximalMiddleDistalProximalCarpal bonesCarpal archCarpal archDistalTubercle of trapeziumTrapezoidTubercle of scaphoidTubercle
Fig. 7.95 Deep transverse metacarpal ligaments, right hand.
Fig. 7.96 Wrist radiographs (posteroanterior view). A. Normal. B. Scaphoid fracture.
Fig. 7.97 Radiograph of wrist showing sclerosis in the lunate consistent with avascular necrosis (Kienbock’s disease).
Fig. 7.98 Carpal tunnel. A. Structure and relations. B. Magnetic resonance image of a normal wrist in the axial plane. C. Magnetic resonance image of a normal wrist in the coronal plane.
Fig. 7.99 Palmar aponeurosis, right hand.
Fig. 7.100 Anatomical snuffbox, left hand.
Fig. 7.101 Fibrous digital sheaths and synovial sheaths of the right hand.
Fig. 7.102 MRI of the wrist showing fluid and inflammation associated with the first extensor compartment, consistent with De Quervain’s tenosynovitis.
Fig. 7.103 Extensor hood. A and B. Middle finger, left hand. C. Function of extensor hoods and intrinsic muscles.