Chest Muscles

label c

• pectoralis major

• pectoralis minor

• serratus anterior

A

• Deltoids

• sternocleidomastoid

• trapezius

• serratus anterior

1

• serratus anterior

• pectoralis minor

• trapezius

• internal oblique

responsible for movement of the shoulder joint

• pectoralis major

• pectoralis minor

• serratus anterior

creates a full range of movement for the scapula, moves the scapula forward and downward, which helps maintain mobility of the shoulder joint

• pectoralis major

• pectoralis minor

• rectus abdominis

• serratus anterior

flexion of the trunk

• Rectus Abdominis

• Internal oblique

• external oblique

• transverse abdominis

Pulls the scapula forward around the thorax

• rectus abdominis

• serratus anterior

• trapezius

• deltoid

assists in forced respiration and aids in raising pressure in the abdominal area

• pectoralis major

• trapezius

• internal oblique

responsible for twisting the trunk also supports the rotation of the spine

• external oblique

• serratus anterior

• trapezius

stabilizes the lower back and elvis

• transverse abdominis

• deltoids

• sternocleidomastoid