The Sarcomere Flashcards
What are superficial back muscles?
latissimus dorsi, the trapezius, levator scapulae and the rhomboids.
What does the latissimus Doris do
Adduct the arm, extend the arm/ shoulder joint, depress the scapula.
What does the trapizius do
Elevates the scapula, depresses the scapula, abducts the arm
What does the levator scapulae do
Elevates the scapula
What do the rhomboids do?
Retract, elevate, and rotate the scapula
What are the deep back muscles?
Iliocostalis, longissimus, spinalis, quadratus lumborum
What does the quadtratus lumborum do
An extensor of the lumbar vertebral column.
What muscles are in the erector spinae
Iliocostalis, longissimus, spinalis
What does the erector spinae do
Extends the vertebral column
What does the Iliocostalis do
extend the spine when contracting bilaterally and to laterally flex the spine when contracting unilaterally
What does the longissimus do
Neck extension, and back extension
What does the spinalis do
help with the extension, rotation, and lateral flexion of the spine.
What are the superficial muscles of the thorax
Pectoralis major, pectoralis minor, serratus anterior, subclavius muscles
What does the pectoralis major do
Adduct the arm, flex the arm and shoulder joint
What does the pectoralis minor do
Depress the scapula,
