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To examine the structures at the base of the posterolateral triangle, it is necessary to remove a portion of the clavicle. Using a Striker saw, cut through the clavicle just laterally to the attachment of the sternocleidomastoid muscle . Remove the cut segment of the clavicle and retract the sternocleidomastoid muscle superiorly .
Links and References:
Grant's: 8.4
Netter:172
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