Serratus Anterior
Serratus Anterior Insertion
Anterior surface of medial border of the scapula
To feel the serratus anterior contract:
Ask your partner to flex his shoulder so his fist is raised toward the ceiling. Ask him to abduct his scapula by reaching toward the ceiling.
When do you use your Serratus Anterior?
Doing a push up. Throwing a punch. Pushing open a swinging door.
Serratus Anterior Origin
External surfaces of upper eight or nine ribs
Most of the serratus anterior is deep to the scapula and which two muscles?
Latissimus Dorsi and Pectoralis Major
The serratus anterior abducts the scapula, making it a direct antagonist to the ___
Rhomboids
Accessing the medial portion of the serratus anterior by curling your fingers around the medial border of the scapula, your fingers will inherently have to work through the bellies of which two muscles?
Rhomboids and Trapezius
ABDUCT the scapula (with the origin fixed)
Serratus Anterior Action
DEPRESS the scapula (with the origin fixed)
Serratus Anterior Action
HOLD the medial border of the scapula against the rib cage (with the origin fixed)
Serratus Anterior Action
May act to ELEVATE the thorax during forced inhalation (with the scapula fixed)
Serratus Anterior Action
UPWARDLY ROTATE the scapula (with the origin fixed)
Serratus Anterior Action
With the origin fixed: *ABduct* the scapula *Upwardly rotate* the scapula *Depress* the scapula *Hold* the medial border of the scapula against the rib cage With the scapula fixed: May act to *elevate* the thorax during forced inhalation
Serratus Anterior Actions
Serratus Anterior Actions
With the origin fixed: *ABduct* the scapula *Upwardly rotate* the scapula *Depress* the scapula *Hold* the medial border of the scapula against the rib cage With the scapula fixed: May act to *elevate* the thorax during forced inhalation
