Deltoid muscle causes all except -: (A) Flexionofshoulder, (B) Extension of shoulder, (C) Internal rotation ofshoulder, (D) Adduction of shoulder
Answer is D. Ans. is'd'i.e., Adduction of shoulder Action of deltoidAnterior (clavicular) fibres : Flexion and internal (medial) rotation of shoulder.Middle (acromial)fibres : Abduction of shoulder.Posterior fibres : Extension and lateral rotation of shoulder