The Psoas uscle
Spine. Bone, not muscle.
the spine
no
spine
The erector spinae
The major spine flexor is the rectus abdominis muscle. It runs along the front of the abdomen and helps to bend the spine forward. It is commonly known as the "abs" muscle and is important for activities like sit-ups and crunches.
Rectus abdominis
rectus abdominis
The antagonist muscle of the multifidus is the rectus abdominis. The rectus abdominis is responsible for flexing the lumbar spine, while the multifidus helps to extend and stabilize the spine.
You may have pulled a muscle or hurt it somehow
"para" means 'next to' "spinous" means 'spine' It is a series of muscles that run next to the spine...
Spine of the Scapula Acromion Clavicle