Anatomy thoracic muscles

15 cards·by cmc94

trapezius

raises, lowers shoulders, shrug shoulders...extends head

pectoralis major

flexes upper arm, adducts upper arm across the body...to the glory of Rome

serratus anterior

looks like a jagged knife...pulls shoulder down and forward, abducts and rotates scapula upward

rhomboideus major

muscle between the vertebrae and scapula...retracts, rotates, and fixes scapula

external oblique

compresses abdomen

internal oblique

compresses abdomen

transverse abdominis

compresses abdomen

rectus abdominis

compresses abdomen, flexes trunk

deltoid

mainly abducts upper arm

latissimus dorsi

extends upper arm, adducts upper arm

supraspinatus

located above the spine of the scapula...helps to adduct and rotate arm

infraspinatus

located below the spine of the scapula...helps to adduct and rotate arm

teres major

assists in extension, adduction, and medial rotation of the upper arm

intercostals (external)

helps in breathing

linea alba

line down the middle of the abdomen