Anatomy muscular system

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Every Single Cell

Every single cell in my body is happy ,

Every single cell in my body is well (2x)

Thank you Lord, I feel so good,

Every single cell in my body is well (2x)

Ang bawat bahagi ng aking katawan,

Ay masasaya’t walang dinaramdam (2x)

Salamat po Panginoon

Sa buhay na walang dinaramdam (2x).


MUSCLES

Muscular System

Shapes of the Muscle


5 Different Muscle Shapes

Circular Convergent

Parallel Pinnate Fusiform


Circular Muscle

• Also known as sphincter muscles which surround an opening such as the mouth, surrounded by Obicularis Oris and Obicularis Oculi surrounding the eyes.


Convergent Muscle

• These are muscles where the origin (the attachment to a fixed bone, usually the proximal attachment) is wider than the point of insertion.

• A large triangular muscle that covers

the shoulder joint and serves to raise

the arm laterally (deltoid)


Parallel Muscle

• They are normally long muscles which

cause large movements and have

parallel fibers and broad attachments

(Teres major).• Sometimes called strap muscles or

Fusiform muscles .• Examples include Sartorius and• Sternocleidomastoid.


Pinnate Muscles

• Pinnate muscles have a large number of muscle fibers per unit and so are very strong, but tire easily.

• Resembling a feather especially in having similar parts arranged on opposite sides.

• They can be divided into three; – Unipinnate, Bipinnate and Multipinnate:


Unipinnate

• These muscles have their fibers arranged to insert in a diagonal direction onto the tendon, which allows great strength.

• Examples include the Lumbricals and Extensor Digitorum Longus.


Bipinnate

• Bipinnate muscles have two rows of

muscle fibers, facing in opposite diagonal

directions with a central tendon, like a

feather.

• This allows even greater power but less

range of motion.

• An example is the Rectus Femoris


Multipinnate

• As the name suggests Multipinnate muscles have multiple rows of diagonal fibers, with a central tendon which branches into two or more tendons.

• An example is the Deltoid muscle which has three sections, anterior, medius and posterior.


Fusiform Muscle

• These muscles are more spindle shaped, with the muscle belly being wider than the origin and insertion.

• Sometimes included in the parallel muscle group, • Examples are Biceps Brachii and Psoas major


Assignment

• List 5 diseases that affect the muscular system and their precautionary measures..


To God be the glory!

Sherrybeth De Guzman GatdulaIII – 7 BEED

Anatomy muscular system

Education

Transcript of Anatomy muscular system