What is the meaning of quadratus lumborum?
What is the meaning of quadratus lumborum?
The word quadratus comes from the latin word “quadrus” meaning square while lumborum comes from the latin word “lumbus” for “loin.” The quadratus lumborum (QL) is the deepest abdominal muscle. It’s located in your lower back on either side of the lumbar spine.
Why is it called quadratus lumborum?
It is the deepest muscle of the posterior abdominal wall, and it is often mistakenly referred to as one of the muscles of the back. Its shape is irregular, but is generally quadriangular, which is the reason why it is described as ‘quadratus’ in latin.
What are the major functions of quadratus lumborum?
Quadratus Lumborum fixes the 12th rib to stabilize diaphragm attachments during inspiration. Lateral flexes the vertebral column. Extends lumbar vertebrae. It forms with the contralateral Tensor fascia lata and Gluteus medius a lateral myofascial sling which aims to maintain frontal plane stability of the pelvis.
What does quadratus mean in anatomy?
(quad-rā’tŭs), Four sided or square; used to refer to the quadrate (q.) muscles.
What is the function of the quadratus lumborum muscle quizlet?
Which action correctly applies to the quadratus lumborum muscle? Together, they depress the ribs; alone, each side laterally flexes the vertebral column.
What does QL mean in anatomy?
The quadratus lumborum (QL) muscle resides in the deep and posterior, lateral, and inferior areas of the spine, involving the iliac crest, the transverse processes of the lumbar vertebrae, and the 12th rib.
How do you work the quadratus lumborum?
2. Side stretch
- From a standing position, raise your arms overhead and interlace your fingers.
- Press into your feet and legs as you tilt to the right.
- Tuck in your chin and gaze down toward the floor.
- Hold this position for up to 30 seconds.
- Repeat on the left side.
- Repeat 2–4 times on each side.
Where is the quadratus femoris?
thigh
Quadratus femoris is a paired, rectangular-shaped muscle of the gluteal region. It is part of the group of muscles known as the lateral, or external, rotators of the thigh.
