Pennate muscle

Pennate muscle

A pennate muscle (also called a penniform muscle) is a muscle with fascicles that attach obliquely to its tendon. These types of muscles generally allow better stabilization and force production but less flexibility.

Individual muscle fibers are formed into bundles of fasciculi and these bundles of fasciculi are formed into bundles of fascicles which compose the entire muscle itself. In a pennate muscle, the fascicles will form an angle with its central tendon. If all the fascicles are on the same side of the tendon, the pennate muscle is called unipennate. If there are fascicles on both sides of the central tendon, the pennate muscle is called bipennate. If the central tendon branches within a pennate muscle, the muscle is called multipennate.

References

* [http://cwx.prenhall.com/bookbind/pubbooks/martinidemo/chapter11/medialib/CH11/html/ch11_2_1.html Frederick H. Martini, Fundamentals Of Anatomy And Physiology] .

* [http://www.abcbodybuilding.com/magazine/theanatomyofamuscle.htm Jacob Wilson, Abcbodybuilding, The Journal of HYPERplasia Research]


Wikimedia Foundation. 2010.

Игры ⚽ Нужен реферат?

Look at other dictionaries:

  • pennate muscle — penniform muscle musculus pennatus …   Medical dictionary

  • muscle — muscleless, adj. muscly, adj. /mus euhl/, n., v., muscled, muscling, adj. n. 1. a tissue composed of cells or fibers, the contraction of which produces movement in the body. 2. an organ, composed of muscle tissue, that contracts to produce a… …   Universalium

  • Muscle — is the tissue of the body which primarily functions as a source of power. There are three types of muscle in the body. Muscle which is responsible for moving extremities and external areas of the body is called "skeletal muscle." Heart… …   Medical dictionary

  • Muscle — For other uses of Muscle , see Muscle (disambiguation). A top down view of skeletal muscle Muscle (from Latin …   Wikipedia

  • pennate — Feathered; resembling a feather. SYN: penniform. [L. pennatus, fr. penna, feather] * * * pen·nate pen .āt adj having a structure like that of a feather esp being a muscle in which fibers extend obliquely from either side of a central tendon * * * …   Medical dictionary

  • Skeletal striated muscle — A top down view of skeletal muscle Latin textus muscularis striatus skeletalis Code TH …   Wikipedia

  • Gastrocnemius muscle — Lateral aspect of right leg …   Wikipedia

  • Extensor digitorum longus muscle — The mucous sheaths of the tendons around the ankle. Lateral aspect. (Extensor dig. longus labeled at upper right.) Latin musculus extensor digitorum longus …   Wikipedia

  • musculus — SYN: muscle.For histologic description, see muscle. [L. a little mouse, a muscle, fr. mus (mur ), a mouse] musculi abdominis SYN: muscles of abdomen, under muscle. m. abductor [TA] SYN: abductor (muscle). m. abductor …   Medical dictionary

  • musculus pennatus — [TA] pennate muscle: a muscle in which the fibers approach the tendon of insertion from a wide area and are inserted through a large segment of its circumference. Called also m. bipennatus [TA alternative] and bipennate or penniform muscle …   Medical dictionary

Share the article and excerpts

Direct link
… Do a right-click on the link above
and select “Copy Link”