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Figure 1 | Cases Journal

Figure 1

From: An additional muscle belly of the first lumbrical muscle

Figure 1

Right side palmar surface of the hand. 1, first lumbrical; 2, second lumbrical; 3, third lumbrical; 4, fourth lumbrical; CT, carpal tunnel; FDS, flexor digitorum superficialis tendon to the index finger; FR, flexor retinaculum; HE, hypothenar eminence; TE, thenar eminence. Note the 4-point star indicates the additional muscle belly of the first lumbrical muscle.

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