Which group of muscles is involved in actively torquing elements of the rib cage?
A) Abdominal muscles of inspiration
B) Thoracic muscles of inspiration
C) Abdominal muscles of expiration
D) Thoracic muscles of expiration
Question 2
In respiration, which of the following structures undergoes torquing?
A) Vertebrae
B) Chondral portion of rib
C) Costal portion of rib
D) a & b
E) b & c