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  2. Myofascial trigger point - Wikipedia

    en.wikipedia.org/wiki/Myofascial_trigger_point

    Usually there is a taut band in muscles containing trigger points, and a hard nodule can be felt. Often a twitch response can be felt in the muscle by running a finger perpendicular to the muscle's direction; this twitch response often activates the "all or nothing" response in a muscle that causes it to contract.

  3. Soft tissue - Wikipedia

    en.wikipedia.org/wiki/Soft_tissue

    With increasing tissue deformation the collagen is gradually stretched in the direction of deformation. When taut, these fibers produce a strong growth in tissue stiffness. The composite behavior is analogous to a nylon stocking, whose rubber band does the role of elastin as the nylon does the role of collagen. In soft tissues, the collagen ...

  4. Chordae tendineae - Wikipedia

    en.wikipedia.org/wiki/Chordae_tendineae

    A medical illustration showing a cross section of the heart and lungs, chordae tendineae visible. During atrial systole, blood flows from the atria to the ventricles down the pressure gradient.

  5. Taut band movement - Wikipedia

    en.wikipedia.org/?title=Taut_band_movement&...

    Retrieved from "https://en.wikipedia.org/w/index.php?title=Taut_band_movement&oldid=846406341"

  6. Myofascial pain syndrome - Wikipedia

    en.wikipedia.org/wiki/Myofascial_pain_syndrome

    Myofascial pain syndrome (MPS), also known as chronic myofascial pain (CMP), is a syndrome characterized by chronic pain in multiple myofascial trigger points ("knots") and fascial (connective tissue) constrictions.

  7. Papillary muscle - Wikipedia

    en.wikipedia.org/wiki/Papillary_muscle

    The papillary muscles are muscles located in the ventricles of the heart. They attach to the cusps of the atrioventricular valves (also known as the mitral and tricuspid valves) via the chordae tendineae and contract to prevent inversion or prolapse of these valves on systole (or ventricular contraction).

  8. Involute - Wikipedia

    en.wikipedia.org/wiki/Involute

    An involute of a curve is the locus of a point on a piece of taut string as the string is either unwrapped from or wrapped around the curve. [1] The evolute of an involute is the original curve. It is generalized by the roulette family of curves. That is, the involutes of a curve are the roulettes of the curve generated by a straight line.

  9. Sarcomere - Wikipedia

    en.wikipedia.org/wiki/Sarcomere

    An A-band contains the entire length of a single thick filament. The anisotropic band contains both thick and thin filaments. Within the A-band is a paler region called the H-zone (from the German "heller", brighter). Named for their lighter appearance under a polarization microscope. H-band is the zone of the thick filaments that has no actin.