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
Muscles paralysed In Erbs palsy are all except 
Select and explain. 
A. Biceps brachii, B. Triceps muscle, C. Brachioradialis, D. Brachialis muscle
B: Triceps muscle
Answer: B: Triceps muscle 
Explanation: Muscles paralysed : Muscles involved in erbs palsy : mainly biceps Brachii Deltoid Brachialis Brachioradialis Paly supraspinatus, infraspinatus and supinator ref : maheswari 9thed