NAMING SKELETAL MUSCLES / Anapy Midterms

Seperated to avoid complexity. Created by yours trullyl: reinn. NOTE!! OPEN SAFARI THEN CLICK "OPEN KNOWT"

Muscle Shape

named for their resemblance to a shape

Rhomboid

rhombus

Deltoid

upside down Greek letter delta

Trapezius

trapezoid

Serratus

 saw toothed

Orbicularis

 circular

Pectinate

comb like

Piriformis

 pear shaped

Platys

flat

Quadratus

 square, four sided

Gracilis

 slender

Action

named for the action the muscle achieves

Flexor

decreased joint angle

Extensor

 increases joint angle

Abductor

moves bone away from midline

Adductor

moves bone closer to midline

Tensor

makes body part rigid

Levator

elevates body part

Depressor

 lowers body part

Supinator

turns palm anteriorly

Pronator

turns palm posteriorly

Sphincter

 decreases size of an opening

Muscle Size

 muscles in a group are sometimes named for their size relative to other muscles in the group

Maximus

 the largest of a group

Medius

 medium sized in a group

Minimus

the smallest of a group

Brevis

short

Longus

long

Magnus/Vastus

 large/huge

Major

the larger of two

Minor

 the smaller of two

Latissimus

the widest

Longissimus

 the longest

Uni

1

Bi/Di

2

Tri

3

Quad

4