Abduction of the arm occurs in three segments, and hence is performed by three different sets of muscles. From 0-15 degrees, the arm is abducted by the Supraspinatus muscle. From 15-90 degrees, the arm is abducted by the Deltoid muscle. From 90-180 degrees, the arm as abducted by the Trapezius muscle with help from the Serratus Anterior muscle.
latissimus dorsi.
Teres major muscle
The major abductor of the upper limb is the deltoid muscle. It is located at the shoulder and is responsible for lifting the arm away from the body in a motion known as abduction.
The major abductor in the upper limb is the deltoid muscle. It is located in the shoulder region and is responsible for raising the arm away from the body in a movement called abduction.
Deltoid
supraspinatus
The upper arm is part of an arm and therefore there are no complete arms in the upper arm.
The scientific name for your upper arm is the Humerus
Triceps
arm is a part of the upperlimb the upper limb consists of the arm, forearm and hand
The long bone in the upper arm is called the humerus.
The scientific name for your upper arm is you Humerus