tenontomyotomy

my·o·te·not·o·my

(mī'ō-te-not'ō-mē),
Cutting through the principal tendon of a muscle, with division of the muscle itself in whole or in part.
[myo- + G. tenōn, tendon, + tomē, incision]

tenontomyotomy

(ten-on?to-mi-ot'o-me) [? + ? + tome, incision]
Cutting of the principal tendon of a muscle with excision of the muscle in part or in whole. Synonym: myotenotomy