flexor digitorum superficialis


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flexor digitorum superficialis

the largest superficial muscle of the forearm, lying in the second of four layers. The muscle flexes the second phalanx of each finger and, by continued action, the hand. Also called flexor digitorum sublimis. Compare flexor carpi radialis, flexor carpi ulnaris, palmaris longus, pronator teres.
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Flexor digitorum superficialis
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Experience has demonstrated that good quality parts distal to the flexor digitorum superficialis (FDS) insertion improve function when they are properly replanted (Fig.
Detection of differential gliding characteristics of the flexor digitorum superficialis tendon and subsynovial connective tissue using color Doppler sonographic imaging.
Review at three months revealed only a slight decrease of power (4/5) in his flexor digitorum superficialis.
There are four tendons of the flexor digitorum superficialis muscle going to fingers 2-5, responsible for flexing the middle joint of the fingers (Figure 1A), four tendons of the flexor digitorum profundus muscle also going to fingers 2-5 responsible for flexing the distal joint of the fingers (Figure 1B), and one tendon from the flexor pollicus longus muscle going to the thumb to flex the thumb (Figure 1C).
We do not believe this influenced the results of the present study since fatigue of the forearm muscle flexor digitorum superficialis, as inferred from EMG frequency shifts, has been shown not to change as a function of grip size (Blackwell et al.
A great variety of abnormalities have been suggested: an imbalance between flexor and extensor forces, abnormal insertions or strength of the lumbrical muscle, shortening and thickening of the collateral ligaments, anomalous flexor digitorum superficialis or profundus, faulty development of the dorsal extensor aponeurosis, and malformations of the retinaculum cutis in the palmar fascia and natatory ligaments (13).

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