The scapula is not a muscle; it is a bone.
Raises the scapula at the Scapulothoracic Joint or inclines neck to corresponding side if the scapula is fixed
Serratus Anterior, moves scapula forward.
Abducts scapula (moves scapula away from spinal column)
Serratus anterior and trapezius
The Serratus Anterior moves the scapula forward and rotates it upward.
Scapula is very interesting bone. It holds the upper limb, but have no bony attachment to your thorax. It is attached to thorax, through the collar bone or the clavicle. Lateral end of the clavicle is attached to the lateral end of the spine of the scapula. On the inside of the spine of the scapula and clavicle, you have insertion of the muscle called as trapezius. From out side of this, you have origin of the deltoid muscle. Technically and mechanically, the trapezius muscle continues as deltoid muscle.
Supraspinous fossa of the Scapula
The heart and many others.
Spine of the Scapula Acromion Clavicle
intercostals
levator scapulae
Serratus Anterior