There is no "rib muscle." Ribs are bones attached to the vertebral column in the back and the sternum anteriorly. There are muscles attached to the ribs - several, in fact. In between the ribs are the internal and external intercostal muscles, there are the pectoral muscles, the serratus anterior and serratus ventralis, the latissimus dorsi also attaches to the ribs. Internally, the diaphragm attaches to the inferior ribs. Many of the strap muscles of the back attach to the ribs. There are others as well.
biceps is a kind of muscle, rib is a kind of bone.
The diaphragm.
sharp intense pain on left side of lower rib
When you inhale your rib muscle and diaphram contract and expand the chest cavitie. When you exhale you rib muscle and diaphram relax, reducing the size of the chest cavitie.
The Ribs are bones, but they are surrounded by muslces
Intercostals, sternocostals, subcostals
The diaphragm - a sheet of muscle across the rib-cage just under the lungs.
rectus abdominus
The latissimus dorsi muscle group may make it difficult to palpate the twelfth rib near the spine. This large muscle group overlies the lower ribs dorsally.
post exercise, muscle inflammation, herpes zooster
Your immune system and your rib cage, plus a layer of muscle
The deep muscle of the thorax that promote the inspiratory phase of breathing is the external intercostal. It is a muscle that originates from the lower border of a rib.