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The multifidus muscles are deep, intrinsic muscle of the spine. Deep in that it has overlying musculature, intrinsic in that they originate and insert to the spine. The multifidi, along with the rotatores and semispinalis are collective referred to as the transversospinalis muscles given that they orriginate from the transverse processes of the spine & insert on the spinous processes of the spine. The multifidi themselves only span about 2-3 vertebral segments (bones in your back). The transversospinalis group lays deep to the larger erector spinae, which is a midline intrinsic back muscle group.
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Which muscle lies in the lamina groove?
The muscle that lies in the lamina groove is the multifidus muscle. This deep muscle is part of the intrinsic back muscles and is situated along the vertebral column, filling the space between the spinous and transverse processes. The multifidus plays a crucial role in stabilizing the spine and assisting with movements such as rotation and extension. Its location in the lamina groove helps it effectively support spinal alignment and posture.
What are the muscle compartments in the ankle?
anterior compartment, lateral compartment, superficial posterior, deep posterior
What action does the multifidus have in common with the erector spinae?
The Erector Spinae muscle actually consists of three columns of muscles, the Iliocostalis, Longissimus, and Spinalis, each running parallel on either outer side of the Vertebra and extending from the lower back of the skull all the way down to the Pelvis. The multifidus muscle is a series of small, triangular muscle bundles located on either side of the spinal column that make up the 2nd layer of the deep back muscles. Composed of 3 layers total, the deep back muscles are collectively called the intrinsic layer. Yet another name for this group is the transversospinal layer. Above the transversospinal (deep) layer of back muscles is the superficial layer.The superficial layer is also known as the extrinsic muscles or the "erector spinae," or simply the paraspinal muscles. The multifidus stabilizes the spine and helps the erector to move it.
What are the muscles that support your spine and keep it stable during movement?
The muscles that support and stabilize your spine during movement are called the core muscles. These include the deep muscles of the abdomen, back, and pelvis, such as the transverse abdominis, multifidus, and pelvic floor muscles. Strengthening these muscles can help improve posture and reduce the risk of back pain.
As you palpate medially toward the spine you may lose contact with the twelfth rib because it is deep to which muscle group?
The latissimus dorsi muscle group may make it difficult to palpate the twelfth rib near the spine. This large muscle group overlies the lower ribs dorsally.
What is the deep back muscle responsible for erect posture?
Erector Spinae. These muscles extend the spine and maintain the vertebral column in an erect posture.
What is physiological core?
The physiological core refers to the deep stabilizing muscles of the torso that help support and protect the spine during movement. These muscles include the transverse abdominis, multifidus, pelvic floor, and diaphragm. Strengthening the physiological core can improve posture, reduce the risk of injury, and enhance overall performance in physical activities.
The supinator muscle is innervated by what nerves?
The supinator muscle is primarily innervated by the radial nerve, specifically the deep branch of the radial nerve. This nerve provides the necessary motor function to facilitate the supination of the forearm. Additionally, the radial nerve branches may also receive contributions from the posterior interosseous nerve, which is a continuation of the deep branch.
How can one effectively engage the transverse abdominis muscle through contraction during core exercises?
To engage the transverse abdominis muscle during core exercises, focus on pulling your belly button towards your spine while maintaining proper posture and breathing. This helps activate the deep core muscles and provides stability to the spine.
When your spine and lower back hurts what part of your back should you massage or rub?
That is a bigger question than you might think. Erectors (long muscles next to your spine), Latisimus Dorsi (Wide muscle covering your lower back), Quadratus Laborum (deep muscle under your lats and erectors connects to bottom rib, spine and hip), all the muscles in your buttocks (Glutes and Lateral Rotators), and even the Illiacus (an abdominal muscle) commonly cause lower back pain. The Illiacus is hard to get to, and the QL is deep enough to be considered an abdominal muscle, but if you massage from the bottom of the shoulder blades down to and including the buttocks you have a good chance of getting some relief.
What is the difference between a deep muscle and a superficial muscle?
A deep muscle is deeper in the body and a superficial muscle is closer to the surface.
What is the function of the tibialis posterior?
A thick, flat, deep muscle in the posterior compartment of the lower leg. The tibialis posterior has extensive origins on the posterior, proximal surface of the tibia, fibula, and interosseus membrane. Its insertion is on the tarsal and metatarsal bones via a tendon that passes behind the medial malleolus and under the arch of the foot. Its primary actions are plantar flexion and inversion. It also helps to stabilize the longitudinal arch, especially during skating.
