Torso twists and side bends, preferably with arms at or higher than shoulders, it is also important to stretch. Stretches can be done similarly by holding the twist or bend for 30 seconds; either standing, sitting, or lying on the floor, over an exercise ball or on a bed over pillows (there are detailed instructions just Google - floota quadratus lumborum stretch).
Quadricep, quadratus lumborum, quadratus femoris... Quadricep
quadratus lumborum
They are deep muscles in the back.
Quadratus lumborum
The quadratus lumborum is known as the hip hiker muscle because it is the muscle that raises the hip.
quadratus lumborum
Quadratus Lumborum
quadratus lumborum
erector spinae, hamstrings, gastrocnemius, trapezius, quadratus lumborum
It is actually a lower back muscle that is located in the posterior abdominal wall
The latissimus dorsi is the widest muscle in the human body and is also known as the lats. Yes, the latissimus dorsi does compress the abdomen.
The muscle that forms the anterior wall of the abdomen is called the rectus abdominus.