The length of the PIN from the radial head to the PIN exit point from the supinator muscle ( LHS );

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Compared the overall curative effect of the supinator position group with neutrality position with small splints fixation group the former is better .

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Objective : To study the possible compression site of the posterior interosseous nerve at the distal of the supinator muscle and its clinical significance .

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Surgical anatomy of the supinator canal

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The cases of which the additional branch to the supinator derived from the deep branch of the radial nerve when it enter into the supinator canal were 41.7 % ( 25 sides ) . It showed this branch to the supinator was not constant .

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Methods : 10 cases of suspected supinator syndromes and20 cases of normal people were tested with deterioration-induced test .

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The dimensions and morphology of the radial tunnel ( RT ) supinator tunnel ( ST ) and the arcade of extensor carpi radialis brevis muscle ( AECRM ) were observed and measured with caliper and the surface projection of the entrance and exit of the ST were located .

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In 80 adult upper limbs the fibrous bridge of the extensor carpi radialis brevis and arcade of supinator were all found while the triceps brachii bridge and the brachioradialis bridge were present in 48 sides ( 60 % ) and 34 sides ( 42.5 % ) respectively .

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The supinator areas were observed in 60 sides of adult cadavers It is found : 1 . The position relationship of the deep branch of the radial nerve to the supinator was as follows type I 21.7 % and type II 78.3 % .

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The result showes that in the supinator position the pressing stress is produced in medial part and the pulling stress is produced in lateral part .

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The length of the radial tunnel with supinator tunnel and the widths of entering with outing of the supinator muscle entrances and exit were measured .

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Objective : To explore anatomical characteristics of the supinator syndrome and to provide possible treatment mechanism of acupuncture of shou san li ( LI10 ) .

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Methods : The muscular branches originating from the three parts ( radial tunnel part supinator tunnel part and post tunnel part ) of PIN were observed on 30 sides upper limb specimens .

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Relationship between the deep branch of the radial nerve and the supinator

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Anatomical Study of the Supinator Tunal and Its Clinical Significance

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In the supinator position there was medial displacement in the medial and lateral sides .

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Method : According to the traditional curative effect evaluation among the treatment group the forearm in neutrality position with small splints fixation group the supinator position with plaster fixation group ;

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Abstract The morphology of supinator tunnel and its relation with Posterior interosseous nerve ( PIN ) compression were investigated in 50 adult cadavers including 100 upper limbs .

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The Applied Anatomy of the Lower Opening of the Supinator Channel

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Conclusion : The test is helpful with the confirmed diagnosis of supinator syndrome .

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A New Diagnostic Test for Supinator Syndromes

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