Sets 3 5 Review Muscles of the Trunk

Sets 3 -5 Review Muscles of the Trunk

Muscles of the Trunk n n n n n Multifidus External intercostales Serratus anterior Levator scapulae Subscapularis Infraspinatus Supraspinatus Teres minor Teres major Rhomboideus major n Rhomboideus minor n Lumbodorsal fascia n Latissimus dorsi n Pectoralis minor n Pectoralis major n Trapezius Did not build: n Rectus abdominis n External obliques n

Name: Trapezius Name: Latissimus dorsi Action: “sexy shoulder” muscle; Action: “power-stroke” muscle; power muscle that pulls the scapula (shoulder) back, lifts upward and rotates power muscle attached to the lumbodorsal fascia; extends and adducts the humerus

Name: Rectus abdominis Name: External obliques Action: “six-pack” muscle; flexes Action: flexes vertebral column and compresses abdomen and lateral flexion

Name: Pectoralis minor Name: Pectoralis major Action: draws scapula forward and Action: “ pledge of allegiance” down muscle; power muscle that rotates, extends, and adducts arm across chest and shoulder forward; uppercut in boxing; tennis swing

Name: Serratus anterior Name: External intercostales Action: “pushing” muscle; draws Action: inhale; elevate ribs scapula forward and down; bench pressing, throwing, swimming

Name: Multifidus Name: Levator scapulae Action: “ rope of muscle”; flexion, Action: “shrugging. . I don’t extension, and rotation of spine know” muscle; elevates scapula

Name: Rhomboideus major Name: Rhomboideous minor Action: raises and adducts Action: scapula retracts the scapula (shoulder) and rotates downward

Name: Lumbodorsal Fascia Name: Subscapularis Action: diamond-shaped fascia; Action: rotator cuff; rotates the increases surface area for large muscle attachment head of the humerus medially (internal rotation – point thumb down);

Name: Supraspinatus Name: Infraspinatus Action: rotator cuff;

Name: Teres minor Name: Teres major Action: rotator cuff; Action: adduct and medial rotates humerus; assists latissimus dorsi