Which muscle causes retraction of scapula?
The rhomboid major muscle originates from the spines of T2-T5 and supraspinous ligaments and inses into the medial border of scapula. Its action is retraction of scapula. BD chaurasia 7th edition, page 65-table 5.2
Serratus anterior
Levator scapulae
Rhomboideus major
Supraspinatus
Upper limb