Muscle actions Flashcards
1
Q
Head: elevate
A
Temporalis, masseter, medial pterygoid
2
Q
Head: depress
A
Lateral pterygoid, suprahyoid, infra hyoid
3
Q
Head: protrusion
A
Masseter, lateral & medial pterygoid
4
Q
Head: retrusion
A
Temporalis, masseter, digastric
5
Q
Head: side to side
A
Medial pterygoid, lateral pterygoid, masseter, Temporalis
6
Q
Cervical flexion
A
SCM, longus colli, scalenus muscles
7
Q
Cervical extension
A
Splendid cervicis Semispinalis " Iliocostalis " Longissimus " Multifidi Trapezius
8
Q
Cervical rotation and lateral bending
A
SCM, scalenus muscles Selenium cervicis Longissimus " Iliocostalis " Levator scapulae Multifidi
9
Q
Thoracic and lumbar flexion
A
RA
Internal and external oblique
10
Q
Thoracic and lumbar extension
A
Multifidi
QL
Erector spinal
11
Q
Elbow flex
A
Biceps, brachialis, brachioradialis
12
Q
Elbow ext
A
Anconeus, triceps
13
Q
Radioulnar sup
A
Biceps, supinator
14
Q
Radioulnar pronation
A
Pronator teres
“ Quadratus
