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  2. 20 Totally Free YouTube Workout Channels for Every Type of ...

    www.aol.com/20-totally-free-youtube-workout...

    Thanks to YouTube, you have access to millions of fitness videos — and they’re free. All you need is a streaming device (such as a laptop, smartphone or connected TV) and the motivation to get ...

  3. Williams Flexion Exercises - Wikipedia

    en.wikipedia.org/wiki/Williams_Flexion_Exercises

    As treatment, McKenzie recommended exercises and postural instructions which restore or maintain the lumbar lordosis. Although exercises involving lumbar spine extension are emphasized in this treatment protocol, particularly in the early stages, lumbar flexion exercises are usually added at a later time in order that the patient has full range ...

  4. Sciatica - Wikipedia

    en.wikipedia.org/wiki/Sciatica

    Intraspinal, or discogenic sciatica refers to sciatica whose pathology involves the spine. In 90% of sciatica cases, this can occur as a result of a spinal disc bulge or herniation. [14] [28] Sciatica is generally caused by the compression of lumbar nerves L4 or L5 or sacral nerve S1. [29] Less commonly, sacral nerves S2 or S3 may cause ...

  5. Low back pain - Wikipedia

    en.wikipedia.org/wiki/Low_back_pain

    The most effective types of exercise to improve low back pain symptoms are core strengthening and mixed exercise types. An appropriate type of exercise recommended is an aerobic exercise program for 12 hours of exercise over a duration of 8 weeks. [64] Distress due to low back pain contributes significantly to overall pain and disability ...

  6. Disc herniation - Wikipedia

    en.wikipedia.org/wiki/Herniated_nucleus_pulposus

    Disc herniation can occur in any disc in the spine, but the two most common forms are lumbar disc herniation and cervical disc herniation. The former is the most common, causing low back pain (lumbago) and often leg pain as well, in which case it is commonly referred to as sciatica .

  7. Lumbar spinal stenosis - Wikipedia

    en.wikipedia.org/wiki/Lumbar_spinal_stenosis

    Lumbar spinal stenosis (LSS) is a medical condition in which the spinal canal narrows and compresses the nerves and blood vessels at the level of the lumbar vertebrae. Spinal stenosis may also affect the cervical or thoracic region, in which case it is known as cervical spinal stenosis or thoracic spinal stenosis.

  8. Lumbar triangle - Wikipedia

    en.wikipedia.org/wiki/Lumbar_triangle

    The superior lumbar (Grynfeltt-Lesshaft) triangle is formed medially by the quadratus lumborum, laterally by the posterior border of internal abdominal oblique muscle, and superiorly by the 12th rib. The floor of the superior lumbar triangle is the transversalis fascia and its roof is the external abdominal oblique muscle.

  9. Spinal cord injury - Wikipedia

    en.wikipedia.org/wiki/Spinal_cord_injury

    The part of the spinal cord that was damaged corresponds to the spinal nerves at that level and below. Injuries can be cervical 1–8 (C1–C8), thoracic 1–12 (T1–T12), lumbar 1–5 (L1–L5), [9] or sacral (S1–S5). [10] A person's level of injury is defined as the lowest level of full sensation and function. [11]