Location: It’s present on proximal part of humerus bone (upper end)
As the clear by name, it’s present between greater and lesser tubercle (Inter tubercle) of humerus bone.
Contents-
• Biceps brachii (long head)
• Ascending branch of ACHA (Anterior Circumflex Humeral Artery)
Attachments:
• Lateral lip: Pectoralis major
• Floor: Latissimus dorsi
• Medial lip: Teres major
Extra point:
Radial groove -
• Aka spiral groove.
• Present on shaft of humerus bone.
• Content- Radial artery and radial nerve