Muscle actions Flashcards
Biceps femoris
Semitend/Semimem
Sartorius
knee flexion
Rectus femoris
vastus lateralis, medialis, intermedius
knee extension
posterior tib
gastroc/soleus
fibularis longus, brevis
plantaris
flexor hallucis
plantarflexion
anterior tib
extensor hallucis longus
extensor digitorum longus
fibularis tertius
dorsiflexion
posterior and anterior tib
flexor digitorum longus
inversion
fibularis longus, brevis, tertius
eversion
SCM
longus colli
scalenes
cervical flexion
splenius cervicis
semispinalis cervicis
iliocostalis cervicis
longissimus cervicis
multifidus
traps
cervical extension
SCM
scalenes
splenius cervicis
longissimus cervicis
iliocostalis cervicis
levator
multifidus
cervical rotation and lateral bending
rectus abdominis
int/ext oblique
thoracolumbar flexion
erector spinae
QL
multifidus
thoracolumbar extension
psoas
QL
ext/int oblique
multifidus
longissimus thoracis
iliocostalis thoracis
rotatores
thoracolumbar rotation and lateral bending
What muscles depress TMJ?
lateral pterygoid
suprahyoid
infrahyoid
What muscles elevate TMJ?
temporalis
masseter
medial pterygoid
What muscles protrude TMJ?
masseter
lateral and medial pterygoid
What muscles retrude TMJ?
temporalis
masseter
digastric
What muscles move TMJ side to side?
medial and lateral pterygoid
masseter
temporalis
What muscles flex cervical spine?
SCM
longus colli
scalenes
What muscles extend cervical spine?
splenius cervicis
semispinalis cervicis
iliocostalis cervicis
longissimus cervicis
multifidus
traps
What muscles rotate and laterally bend the cervical spine?
SCM
scalenes
splenius cervicis
longissimus cervicis
iliocostalis cervicis
levator
multifidus
What muscles flex the rest of the spine?
rectus abdominis
in/ext oblique
What muscles extend the rest of the spine?
erector spinae
QL
multifidus
What muscles rotate and laterally bend the rest of the spine?
psoas
QL
Ext/in oblique
multifidus
longissimus and iliocostalis throacis
rotatores
What muscles elevate the scaps?
upper trap
levator
What muscles protract the scaps?
serratus
pec minor
What muscles upwardly rotate the scaps?
upper and lower traps
serratus
What muscles depress the scaps?
lats
pec minor and major
lower trap
What muscles retract the scaps?
middle trap
rhomboids
What muscles downwards rotate the scaps?
rhomboids
levator
pec minor
What muscles flex the shoulder?
anterior delt
coracobrachialis
pec major
biceps
What muscles abduct the shoulder?
middle delt
supraspinatus
What muscles extend the shoulder?
lats
posterior delt
teres major
triceps