Back anatomy The back is the body region between the neck and the gluteal regions. It comprises the vertebral column (spine) and two compartments of back muscles; extrinsic and intrinsic. The back functions are many, such as to house and protect the spinal cord, hold the body and head upri...
If you want to learn all the muscles of the lower limb, take a look at the following video! Nerves and vessels The arterial supply of the foot is provided by the dorsal artery of the foot and its branches on the dorsal side. In turn, the deep plantar arch and its branches are respon...
腰段位于胸椎(脊柱胸段)与骶骨之间。 The lumbar spine typically has a slight inward curve known as lordosis. 腰椎正常情况下有轻度向前的弧度,称为前凸。 The lower back region contains large muscles that support the back and allow for movement in the trunk of the body. These muscles can spasm o...
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Learn about lower leg anatomy and foot muscle anatomy. Explore the muscles, bones, and connective structures of the lower leg and foot in detail...
The posterior, or dorsal, primary rami of the spinal nerves innervates only the intrinsic or true back muscles. Splenius capitis: The lateral branches of the C2-C3 dorsal rami[6] Splenius cervicis: lateral branches of lower cervical dorsal rami ...
Here, we break down the anatomy of your chest muscles, plus how to target each to make them bigger and stronger.Pectoralis MajorOf the two chest muscles, the pectoralis major (a.k.a. the pec major) is the one that commands the most real estate. You have one of these large, fan-...
and maxillary nerves which carry afferents sensitive to external or internal stimuli from the skin, muscles, and joints of the face and mouth and from the teeth. Most of these fibers originate from cells of the trigeminal ganglion and project to the trigeminal nucleus of the brain stem. The ...
There are three hamstring muscles, all of which originate at the ischial tuberosity (the bones you sit on): Biceps femoris.This muscle runs along the outside of the back of your thigh and attaches to the top of the fibula (the smaller of the two bones of your lower leg). ...
Back muscles The muscles of the back are a group of strong, paired muscles that lie on the posterior aspect of the trunk. They provide movements of the spine, stability to the trunk, as well as the coordination between the movements of the limbs and trunk.The back muscles are divided into...