Which muscle is inseed into the floor of the inteubercular sulcus ?
Lattissimus dorsi is inseed into the floor of the inteubercular sulcus Inteubercular sulcus lies between the greater and lesser tubercles. Ref: Gray's Anatomy The Anatomical Basics of Clinical Practice 41 e pg 806.
Lattissimus dorsi
Teres major
Long head of biceps
Deltoid
Upper limb