"See also "
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"See also "
"The lacertus fibrosus has been described as a multilayered structure with a superficial, middle and deep layer originating and encircling the middle zone of the distal biceps musculotendinous unit thus adding stability to it 1-3. The layers merge and continue further distally forming an aponeurosis that envelopes the whole proximal flexor muscle group and inserts to both sides of the proximal ulna as well as to the antebrachial fascia 1-3."