Humerus Discussion

Humerus

Humerus:-
1. Greater tubercle laterally
2. Lesser Tubercle medially
3. Muscles attached to greater tubercle include:-
i. Supraspinatus
ii. Infraspinatus
iii. Teres Minor
4. Muscles attached to lesser tubercle:-
i. Subscapularis

  • Humerus:-
    • Trochlea- medial, pulley shaped surface articulating with the trochlear notch of ulna
    • Capitulum- lateral, rounded projection articulating with the head of humerus
    • Carrying Angle- The medial edge of the trochlea projects down 6 mm more than the lateral edge resulting in the formation of carrying angle.