. Manual of operative surgery. m above downwards separate it from the soleusuntil a point is reached where their fusion is complete and further separationis impossible. Relax the tendon by plantar flexon of foot. I2l6 TENDON SHEATHS AND TENORRHAPHY Step 3.—With a knife split the tendo Achillis as in Fig. 1551. The slipof tendon is continuous above with the gastrocnemius, but is free from thesoleus. Divide the slip of tendon transversely low down so as to convert itinto a flap. Step 4.—Divade the fascia covering the peronei muscles in the lower three-fourths of the wound. Isolate the peroneus l
. Manual of operative surgery. m above downwards separate it from the soleusuntil a point is reached where their fusion is complete and further separationis impossible. Relax the tendon by plantar flexon of foot. I2l6 TENDON SHEATHS AND TENORRHAPHY Step 3.—With a knife split the tendo Achillis as in Fig. 1551. The slipof tendon is continuous above with the gastrocnemius, but is free from thesoleus. Divide the slip of tendon transversely low down so as to convert itinto a flap. Step 4.—Divade the fascia covering the peronei muscles in the lower three-fourths of the wound. Isolate the peroneus longus (superficial) and the brevis(more deeply situated). Retract the tendon of the longus. The muscularfibres of the brevis are inserted into a flat tendon which is superficial to thesefibres. Make a longitudinal split penetrating to half the thickness of themuscle and retract the edges of this split so that the peroneus brevis now formsa sort of gutter into which the tendon of the longus is permitted to fall (Fig. 1550)-.
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