Lower Back Anatomy Muscles

Sign up for your free kenhub account today and join over 1234089 successful anatomy students. Weak back muscles increase stress on the spine and can cause compression.

Back Muscles And Low Back Pain

The muscles of the abdomen lower back and pelvis are separated from those of the chest by the muscular wall of the diaphragm the critical breathing muscle.

Lower back anatomy muscles. Our engaging videos interactive quizzes in depth articles and hd atlas are here to get you top results faster. Extrinsic muscles of the back anatomy tutorial duration. Superficial muscles of the back.

The lower part actually does the opposite of what the upper part does. These muscles include the large paired muscles in the lower back called erector spinae which help hold up the spine and gluteal muscles. It starts all the way down in your lower back climbs up to the middle of your back and stretches out into your shoulder.

Back extensor strength and endurance provide stability for the spine maintain posture and control forward flexion. It lowers your shoulders away from your ears. Lower back muscle anatomy includes the multifidus longissimus spinalis and quadratus lumborum.

Lying exposed between the protective bones of the superiorly located ribs and the inferiorly located pelvic girdle the muscles of this region play a critical role in protecting the delicate vital organs within the abdominal cavity. Lower back pain can be irritating but it can be healed. The flexor muscles are attached to the front of the spine and enable flexing bending forward lifting and arching the lower back.

The latissimus dorsi is the largest and most powerful of your back muscles. Want to learn more about it. The muscles of the low back work together with the transverse abdominal muscles to increase intra abdominal pressure.

Weak abdominals exaggerate anterior pelvic tilt causing strain on the back extensor muscles.

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