4A: Coronal T1-weighted and fat-suppressed T2-weighted Flexed Abducted Supinated Views (FABS) (4A) demonstrate the distal tendinous insertion (red arrows), which arises from the superficial head and the more broadly attaching distal musculotendinous/musculoaponeurotic insertion (blue arrows), which originates from the deep head of the brachialis muscle. Image courtesy of Varand Ghazikhanian, MD