Muscles of Respiration

Question 1

Name the muscles during inspiration

Answer 1

Scalene, Sternoclemastoid, Serratus Anterior, Pec Major and Minor, Trapezius, Latissimus dorsi, Erector spinae, Illiocostalis and Quadratus lumborum

Question 2

Name the muscles during expiration

Answer 2

Rectus abdominus, transverse abdominus, external and internal oblique and latissimus dorsi

Question 3

Diaphragm: Innveration

Answer 3

C3, 4 and 5 keep the diaphragm alive

Question 4

Intercostal external muscles

Answer 4

Origin: Inferior border of ribs and Insertion: superior border of immediate rib below. Innervation is intercostal nerves

Question 5

Intercostal Internal muscles

Answer 5

Origin: costal groove of ribs and Insertion: superior border of immediate rib below. Innveration is intercostal nerves

Question 6

Intercostal innermost muscles

Answer 6

Origin: costal groove of ribs and Insertion: superior border of immediate rib below. Innvervation is intercostal nerves

Question 7

Name the accessory muscles

Answer 7

Trapeziusm, Scalenus and Sternomastoid