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Buttock quadrant safest for needle insertion

"Shut up and butt out":
The Upper Outer quadrant of the Buttock safely avoids hitting sciatic nerve.
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---Anonymous Contributor

Radial nerve: muscles supplied (simplified)

"BEST muscles":
Brachioradialis
Extensors
Supinator
Triceps
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---Anonymous Contributor

Brachial plexus subunits

"Randy Travis Drinks Cold Beer":
Roots
Trunks
Divisions
Cords
Branches
· Alternatively: "Read The Damn Cadaver Book!"
· Alternatively: "Real Texans Drink Coors Beer".
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---Karl and Anonymous Contributor Boston U. School of Medicine and Not Specified

Diaphragm innervation

"3, 4, 5 keeps the diaphragm alive":
Diaphragm innervation is cervical roots 3, 4, and 5.
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---Michael Nawfal

Median nerve: hand muscles innervated

"The LOAF muscles":
Lumbricals 1 and 2
Opponens pollicis
Abductor pollicis brevis
Flexor pollicis brevis
· Alternatively: LLOAF, with 2 L's, to recall there's 2 lumbricals.
· To remember that these are the Median nerve muscles, think "Meat LOAF".
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---Samuel Atom Baek Kim

Trigeminal nerve: where branches exit skull

"Standing Room Only":
Superior orbital fissure is V1
foramen Rotundum is V2
foramen Ovale is V3
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---Anonymous Contributor

Face muscles: large muscle groups' cranial innervation

Mandibular nerve: Mastication.
Facial nerve: Facial expression.
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---Anonymous Contributor

Median nerve: recognizing it in an opened axilla

The Median nerve is the Middle of a giant capital "M" formed by the musculocutaneous and ulnar nerves.

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---Robert O'Connor University College Dublin

Dermatome C6 location

Stick arm out like crucifixion stance. Curl your thumb and forefinger into an "OK" symbol while keeping your other fingers straight.
Your hand should now look like a 6 shape.
So C6 dermatome is your thumb and top of arm (reason for crucifix stance).
· See diagram.

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---Anonymous Contributor

Palmaris longus: location, relative to wrist nerves

"The Palmaris between two Palmars":
Palmaris longus is between the Palmar cutaneous branch of Ulnar nerve and Palmar cutaneous branch of Median nerve.

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---Robert O'Connor University College Dublin