How are muscles named? - Terminology - Human Anatomy | Kenhub

In this video tutorial we will take a look at how the names of the muscles of the human body are derived. Learning and understanding the terminology and definition of anatomical terms is one of the most basic skills every student needs to acquire, so they can describe and discuss anatomical issues in lectures and courses with other students or lecturers in a precise fashion.

We will take a closer look and give examples for how muscles are named after their shape, size, muscle fibre orientation, action, and more, so you will become fluent in talking about the different aspects of the muscular system.

1:21 Shape
3:03 Size
4:40 Orientation of fibers
5:50 Muscle action
7:05 Number of attachments
7:42 Points of attachments
8:00 Muscle location
9:23 Summary

[imdyinginsidehaha]

1. Characteristic
2. Word roots and meaning
3. 2 or more muscles using said characteristic

1a.Shape
2a.Deltoid: triangle
Orbicularis: circular
Rhombus: rhombus/parallelogram
Platus: flat and wide
Serrare: saw
3a. Deltoid muscle: is triangular in shape
Orbicularis oculi muscle: circular in shape

1b. Size
2b. Vastus: great
Maximus: largest/greatest
Minimus: least/smallest
Longus: long/tall
Brevis: short
3b. Gluteus maximus muscle: large in size
Longus capitis muscle: long

1c. Orientation of fibers
2c. Transverse: perpendicular
Oblique: diagonal/slant
Rectus: parallel/straight
3c.musculus transversus linguae: runs perpendicular to midline
Exterior abdominal oblique muscle: runs in oblique direction

1d. Action
2d. No roots so 4 actions instead: flexors, extensors, supinators, pronators
Risus: laugh/smile
3d. Flexor hallucis brevis: flexes big toe
Supinator muscle:supinates forearm on contraction


1e. # of attachments
2e. Biceps: 2 heads
Cep: head
Triceps: 3 heads
Quadriceps: 4 heads
3e. Biceps: has 2 heads
Quadriceps: has 4 heads

1f. Points of attachment
2f. None🤷
3f. Sternohyoid muscle: extends from posterior surface of the manubrium of the sternum to the body of the hyoid bone

1g. Location
2g. Infra: inferior
Supra: superior
3g. Infrahyoid muscle: inferior to/beneath hyoid bone
Suprapinatus muscle: sits superior to spine of scapula compared to infraspinatus

Let me know if I got anything wrong or need to anything. Good luck in anatomy my friends🫡

[AH]

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[toutounoulash]

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Just makes you love anatomy.

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[ambikadas]

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I am waiting for this video ❤
Thanks a lot 🙏

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