The loin area in Latin is termed lumb-, or lumbo. So any muscles that have one of those roots in their name are loin muscles. An example is the quadratus lumborum.
The psoas muscle.
the pork loin is a muscle running along the top of the spine, the tenderloin is a smaller muscle that runs on the other side below the loin, it is slightly more tender
Loin contains the loin eye muscle, tenderloin and flank
The Ball Tip
Carpi is modern Latin for "of the wrist".
Rectus is a Latin word that means straight. This means that the muscle is usually straight, as in the rectus abdominis.
loin
This is probably the meat of the loin muscle on each side of the vertebral column.
a lion's "den"
god's loin
Chops come from the loin, or "back strap" as hunters often call it. It is the long muscle that runs along the spine. Bone-in chops take a portion of the rib, and a portion of the vertebrae. Boneless chops are a filleted loin off the spine, or that portion of the loin just in front of the rear hind quarter along the spine that has no ribs, and it is then cut to the thickness desired.
hew
Nala.