Muscle action

Question 1

TMJ depression

Answer 1

Lateral pterygoid, supra hyoid, infra hyoid

Question 2

TMJ elevation

Answer 2

Temporalis, masseter, medial pterygoid

Question 3

TMJ protrusion

Answer 3

Masseter, lateral pterygoid, medial pterygoid

Question 4

TMJ retrusion

Answer 4

Temporalis, masseter, digastric

Question 5

TMJ lateral movement

Answer 5

Medial pterygoid, lateral pterygoid, masseter, temporalis

Question 6

Cervical flexion

Answer 6

SCM, longus colli, scalenus muscles

Question 7

Cervical extension

Answer 7

Splenius cervicis, semispinalis cervicis, iliocostalis cervicis, longissimus cervicis, multifidus, trapezius

Question 8

Cervical rotation and lateral flexion

Answer 8

SCM, scalenus, splenius cervicis, longissimus cervicis, iliocostalis cervicis, levator scapulae, multifidus

Question 9

Thoracic and lumbar flexion

Answer 9

Rectus abdominis, internal oblique, external oblique

Question 10

Thoracic and lumbar extension

Answer 10

Erector spinae, quadratus lumborum, multifidus

Question 11

Thoracic and lumbar rotation and lateral flexion

Answer 11

Psoas major, quadratus lumborum, external oblique, internal oblique, multifidus, longissimus thoracis, iliocostalis thoracis, rotatores

Question 12

Scapular elevation

Answer 12

Upper trapezius, levator scapulae

Question 13

Scapula protraction

Answer 13

Serratus anterior, pec minor

Question 14

Scapular upward rotation

Answer 14

Trapezius, serratus anterior

Question 15

Scapular depression

Answer 15

Latissimus dorsi, pec major, pec minor, lower trap

Question 16

Scapular retraction

Answer 16

Trapezius, rhomboids

Question 17

Scapular downward rotation

Answer 17

Rhomboids, levator scapulae, pec minor

Question 18

Shoulder flexion

Answer 18

Anterior deltoid, Coracobrachialis, pec major, biceps brachiosaurus

Question 19

Shoulder abduction

Answer 19

Middle deltoid, supraspinatus

Question 20

Shoulder external rotation

Answer 20

Teres minor, infraspinatus, posterior deltoid

Question 21

Shoulder extension

Answer 21

Latissimus dorsi, posterior deltoid, teres major

Question 22

Shoulder adduction

Answer 22

Pec major, latissimus dorsi, teres major

Question 23

Shoulder internal rotation

Answer 23

Subscapularis, teres major, pec major, latissimus dorsi, anterior deltoid

Question 24

Elbow flexion

Answer 24

Biceps brachii, brachialis, brachioradialis

Question 25

Elbow extension

Answer 25

Triceps brachii, anconeus

Question 26

Radioulnar supination

Answer 26

Biceps brachii, supinator

Question 27

Radioulnar pronation

Answer 27

Pronator teres, pronator quadratus

Question 28

Wrist flexion

Answer 28

Flexor carpi radialis, flexor carpi ulnaris, palmaris longus

Question 29

Wrist extension

Answer 29

Extensors carpi radialis longus, extensor carpi radialis brevis, extensor carpi ulnaris

Question 30

Wrist radial deviation

Answer 30

Extensor carpi radialis, flexor carpi radialis, extensor pollicis longus and brevis

Question 31

Wrist ulnar deviation

Answer 31

Extensor carpi ulnaris, flexor carpi ulnaris

Question 32

Hip flexion

Answer 32

Iliopsoas, sartorius, rectus femoris, pectineus

Question 33

Hip extension

Answer 33

Glute max, glute med, semitendinosus, semimembranosus, biceps femoris

Question 34

Hip abduction

Answer 34

Gluteus medius, glute min, piriformis, obturator internus, tensor fasciae latae

Question 35

Hip adduction

Answer 35

Adductor Magnus, adductor longus, adductor brevis. Gracilis

Question 36

Hip internal rotation

Answer 36

TFL, glute med, glute min, pectineus, adductor longus

Question 37

Hip external rotation

Answer 37

Glute max, obturator externus, obturator internus, piriformis, Gemelli, sartorius

Question 38

Knee flexion

Answer 38

Biceps femoris, semitendinosus, semimembranosus, sartorius

Question 39

Knee extension

Answer 39

Rectus femoris, vastus lateralis, vastus intermedius, vastus medialis

Question 40

Ankle plantar flexion

Answer 40

Tib posterior, gastroc, soleus, peroneus longus, peroneus brevis, plantaris, flexor hallucis

Question 41

Ankle dorsiflexion

Answer 41

Tibialis anterior, extensor hallucis longus, extensor digitorum longus, peroneus tertius

Question 42

Ankle inversion

Answer 42

Tibialis posterior, tibialis anterior, flexor digitorum longus

Question 43

Ankle eversion

Answer 43

Peroneus longus, peroneus brevis, peroneus tertius