Verywell Health on MSN

Lumbar spine anatomy and function

Medically reviewed by Jennifer Steinhoff, MD Key Takeaways The lumbar spine includes five vertebrae that help with mobility ...
Neck muscles have an essential role in supporting and stabilizing your neck. More than 20 muscles are working to keep your head supported and moving. Your neck muscles have a range of responsibilities ...
The sarcoplasmic reticulum (SR) is a specialised organelle in skeletal muscle fibres that plays a pivotal role in regulating calcium dynamics crucial for muscle contraction and relaxation. Acting as ...
The upper two-thirds to three-fourths of the muscle extends over the fibula and the muscle passes below the cruciate crural and transverse ligaments. After passing these ligaments, the muscle divides ...
The obturator nerve is a large, multibranched nerve that travels through your pelvis to your inner thigh. This nerve helps you feel sensations like temperature and pain in your lower limbs. It also ...
The teres major muscle is one of the six muscles within the scapulohumeral muscle group. The muscle is located on the underside of the upper arm, in the area between the shoulder and elbow. It has a ...