There are more than one: The deltoid, supraspinatus, infraspinatus, teres major and minor and the subscapularis.
The main antagonists of the rhomboid muscles are the serratus anterior and pectoralis minor. These muscles work in opposition to the rhomboids to perform movements like protraction and downward rotation of the scapula. Strengthening these antagonist muscles can help maintain shoulder stability and balance in the upper body.
The serratus anterior is responsible for the protraction of the scapula. It pulls the scapula forward and around the rib cage, like when someone throws a punch. Often referred to as the "boxer's muscle". It is also responsible for stabilizing the scapula and assisting in its rotation upward.
Its antagonists are the trapezius and the two rhomboid muscles.
You can't have one muscle that both elevates AND depresses a bone. So your question is a little confusing, Upward rotation: Serratus anterior, Upper and lower fibers of trapezius Retraction (adduction): Middle fibers of trapezius, rhomboid major and minor Elevation: Upper fibers of trapezius, levator scapulae, rhomboid major and minor Depression: Lower fibers of trapezius Let me know if I left any out but this should be all of them! Trevor .............................. the above answer is incomplete........ The trapezius is antagonist to itself, in that it can both elevate and depress the scapula
The Serratus Anterior muscle is responsible for holding the scapula against the chest wall. It helps stabilize the scapula and is important for proper shoulder movement and function.
hm...if I had to take a wild guess....I would guess serratus anterior and pec minor.
The three muscles that insert onto the medial border of the scapula are the rhomboid major, rhomboid minor, and levator scapulae. They help stabilize and move the scapula during various shoulder movements.
Serratus anterior
The strongest protractor of the scapula is the serratus anterior muscle. It originates from the upper ribs and inserts along the medial border of the scapula. Contraction of the serratus anterior muscle pulls the scapula forward around the rib cage.
lower trapezius, serratus anterior
The serratus anterior muscle in humans and the serratus ventralis muscle in cats are functionally equivalent but have different names due to anatomical differences and the naming conventions in comparative anatomy. The term "serratus" refers to the serrated or saw-like appearance of the muscle, while "anterior" and "ventralis" indicate their positions in the respective species.