Forearm - General Info Flashcards
Anterior (volar) comp has mm that do what actions?
***I’m a pro at flexing
flexors and pronators
Posterior (dorsal) comp has mm that do what actions?
***eat extensive amounts of soup
extensors and supinators
The anterior forearm group is comprised of…
(3 layers; 8 mm)
sup - 4
int - 1
deep - 3
The posterior forearm group is comprised of…
(2 layers & an outcropping group; 12 mm)
sup - 7
deep - 2
outcropping - 3
The ant superficial forearm is comprised of…
4 mm (“PFPF,” lat to med)
Pronator teres (on lat side)
Flexor carpi radialis
Palmaris longus
Flexor carpi ulnaris (on med side)
The ant intermediate forearm is comprised of…
1 m
flexor carpi superficialis
The ant deep forearm is comprised of…
3 mm
FDP
FPL
pronator quadratus
The posterior superficial forearm is comprised of…
7 mm
brachioradialis
ECRL
ECRB
ED
EDM
ECU
(anconeus)
The posterior deep forearm is comprised of…
extensor indicis
supinator
The outcropping group of the posterior forearm is comprised of…
*** “apples and peanut butter PLease”
abductor pollicis longus
EPB
EPL
Where is the common flexor tendon?
medial epicondyle of humerus
Where is common origin of extensors?
lateral epicondyle of humerus
What muscle is absent in 10-20% of the population?
palmaris longus
Tendon from what muscle is typically used in Tommy John surgery?
palmaris longus
What mm in anterior forearm have 2 heads/origins?
pronator teres (ant sup layer)
FCU (ant sup layer)
FDS (ant intermediate layer)
