This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anatomy
All of the following muscles of the shoulder girdle helps in abduction of the upper limb, EXCEPT: 
Select and explain. 
A. Deltoid, B. Supraspinatus, C. Latissimus dorsi, D. Long head of biceps brachii
C: Latissimus dorsi
Answer: C: Latissimus dorsi 
Explanation: Latissimus dorsi helps in adduction of the upper limb. Muscles involved in abduction of the upper limb are:DeltoidSupraspinatusLong head of biceps brachiiSerratus anterior and trapezius helps in this movement by producing slight rotation of the scapula.Adductors of the upper limb are:Teres majorLatissimus dorsiPectoralis majorLong head of the triceps brachiiSho head of the biceps brachiiClavicular and spinal pas of the deltoidRef: Color Atlas of Human Anatomy, Volume 1 By Werner Platzerpage 148.