MedicalMnemonics.com | Browse

Lumbricals action

Lumbrical action is to hold a pea, that is to flex the metacarpophalangeal joint and extend the interphalangeal joints. When look at hand in this position, can see this makes an "L" shape, since L is for Lumbrical.

Show Details / Rate It
---Robert O'Connor University College Dublin

Elbow: which side has common flexor origin

FM (as in FM Radio):
Flexor Medial, so Common Flexor Origin is on the medial side.
Show Details / Rate It
---Anonymous Contributor

Popliteal fossa: muscles arrangement

The two Semi's go together, Semimembranosus and Semitendonosus.
The Membranosus is Medial and since the two semis go together, Semitendonosus is also medial.
Therefore, Biceps Femoris has to be lateral.
Of the semi's, to remember which one is superficial: the Tendonosus is on Top.
Show Details / Rate It
---Anonymous Contributor

Serratus anterior: innervation and action

"C5-6-7 raise your wings up to heaven":
C567 injury causes inability to raise arm past 90 degrees up to heaven, and results in a winging of the scapula.
· Long thoracic nerve roots (567) innervate Serratus anterior.
Show Details / Rate It
---A. Saab Medical Student, University of Miami

Bicipital groove: attachments of muscles near it

"The lady between two majors":
Teres major attaches to medial lip of groove.
Pectoralis major to lateral lip of groove.
Latissimus (Lady) is on floor of groove, between the 2 majors.
Show Details / Rate It
---Sandeep

Rotator cuff muscles

"The SITS muscles":
· Clockwise from top:
Supraspinatus
Infraspinatus
Teres minor
Subscapularis
· A pro baseball pitcher has injured his rotator cuff muscles. As a result, he SITS out for the rest of the game, and then gets sent to the minor leagues.

Show Details / Rate It
---Anne Conlin and Robert O'Connor University of Western Ontario Medical School, London, Canada and University College Dublin

Oblique muscles: direction of externals vs. internals

"Hands in your pockets":
When put hands in your pockets, fingers now lie on top of external obliques and fingers point their direction of fibers: down and towards midline.
· Note: "oblique" tells that must be going at an angle.
· Internal obliques are at right angles to external.
Show Details / Rate It
---Anonymous Contributor

Pterygoid muscles: function of lateral vs. medial

"Look at how your jaw ends up when saying first syllable of 'Lateral' or 'Medial' ":
"La": your jaw is now open, so Lateral opens mouth.
"Me": your jaw is still closed, so medial closes the mandible.
Show Details / Rate It
---Robert O'Connor University College Dublin

Flexor digitorum muscles: how they insert onto fingers

· A little rhyme:
Superficialis Splits in two,
To Permit Profundus Passing through.

Show Details / Rate It
---Anonymous Contributor

Brachioradialis: function, innervation, one relation, one attachment

BrachioRadialis:
Function: Its the Beer Raising muscle, flexes elbow, strongest when wrist is oriented like holding a beer.
Innervation: Breaks Rule: it's a flexor muscle, But Radial. (Radial nerve usually is for extensors: Recall BEST rule: B was for brachioradialis).
Important relation: Behind it is the Radial nerve in the cubital fossa.
Attachment: Attaches to Bottom of Radius.
Show Details / Rate It
---Robert O'Connor University College Dublin