How can I remember Myotomes?

Some important myotomes and what actions that they produce to remember are the following:

1. C4. Shoulder shrugging.
2. C5. Shoulder abduction, shoulder external rotation, and elbow flexion.
3. C6. Wrist extension.
4. C7. Elbow and finger extension and wrist flexion.
5. C8. Thumb extension and finger flexion.
6. T1. Finger abduction.
7. L1.
8. L2.

How do you remember shoulder muscles?

With ‘SITS’, recalling this order also helps remember the insertions of these muscles, with the order being superior, middle, and inferior facets of the greater tubercle of the humerus for supraspinatus, infraspinatus and teres minor respectively and the lesser tubercle of the humerus for subscapularis.

What is the innervation of a muscle?

When nerves go into muscle fiber, they innervate the muscle fiber. Innervate is to supply nerves to something, but it can also mean to energize. Think of all the energy you have when you get nervous! Sometimes nervousness can even innervate the hairs on your arms, i.e. stimulate them and make them stand up.

What are Dermatomes?

A dermatome is an area of skin in which sensory nerves derive from a single spinal nerve root (see the following image). Dermatomes of the head, face, and neck. Sensory information from a specific dermatome is transmitted by the sensory nerve fibers to the spinal nerve of a specific segment of the spinal cord.

What is Myotomes and Dermatomes?

What are Myotomes and Dermatomes? A group of muscles that is innervated by the motor fibers that stem from a specific nerve root is called a myotome. An area of the skin that is innervated by the sensory fibers that stem from a specific nerve root is called a dermatome.

How do you memorize muscle innervations?

Associating muscles to a common nerve group is an excellent way to memorize muscle innervations. For example, when you realize that the radial nerve innervates the majority of the hand and wrist extensor muscles, you can form better associations and quickly reference this knowledge when you’re tested on it during anatomy lab or an exam.

How to remember the anatomy of the upper limb?

The Anatomy of the upper limb is difficult to remember like the rest of anatomy :D. In this article, we are sharing with you some mnemonics so that you can remember some points easily. Starting from rotator cuff which is composed of a tough sheath of tendons and ligaments that are present at the shoulder joint to support the arm.

How are the muscles of Upper and lower limb innervated?

There are certain generalizations to commit to memory the innervations for muscles of upper and lower limb. The muscles of anterior compartment of thigh are supplied by femoral nerve, the muscles of medial compartment of thigh is supplied by obturator nerve and muscles of posterior compartment of thigh is supplied by sciatic nerve.

What does the median nerve innervate?

The median nerve is also one of the terminal branches of the brachial plexus. Innervation: Flexor muscles of forearm, flexor muscles of wrist, and thumb Motor: Flexor compartment of the forearm, thenar muscles, and intrinsic hand muscles