Trapezius- O:Occipital bone and C7-T12
I: Clavicle and Scapula
A: Upper fibers- Elevates scapula
Middle Fibers- Adduct Scapula
Lower fiber- Depress Scapula
Latissimus Dorsi- O:ribs 8-12
I:Humerus
A: Shoulder adduction (Lateral) and shoulder extension
Rhomboid Major/Minor- O: Vertebrae C7-T4
I: Scapula
A: Scapular adduction, downward rotation
Levator Scapulae- O:Vertebrae C1-C4
I: Scapula
A: Elevate Scapula
Erector Spinae- O:Vertebrae T9-T12
I: Vertebrae T1-T2
A: Trunk extension
Serratus Posterior Inferior- O: Vertebrae T11-L2
I: Ribs 9-12
A: Depresses lower ribs
Serratus Posterior Superior- O: C7-T3
I: Ribs 2-5
A- Elevates ribs to aid in Inspiration
I: Clavicle and Scapula
A: Upper fibers- Elevates scapula
Middle Fibers- Adduct Scapula
Lower fiber- Depress Scapula
Latissimus Dorsi- O:ribs 8-12
I:Humerus
A: Shoulder adduction (Lateral) and shoulder extension
Rhomboid Major/Minor- O: Vertebrae C7-T4
I: Scapula
A: Scapular adduction, downward rotation
Levator Scapulae- O:Vertebrae C1-C4
I: Scapula
A: Elevate Scapula
Erector Spinae- O:Vertebrae T9-T12
I: Vertebrae T1-T2
A: Trunk extension
Serratus Posterior Inferior- O: Vertebrae T11-L2
I: Ribs 9-12
A: Depresses lower ribs
Serratus Posterior Superior- O: C7-T3
I: Ribs 2-5
A- Elevates ribs to aid in Inspiration