Muscular System

Question 1

Anterior Tibialis & Posterior Tibialis

Answer 1

Accelerates dorsiflexion and inversion of the foot

Question 2

Soleus

Answer 2

Accelerates plantarflexion

Question 3

Gastrocnemius

Answer 3

Accelerates plantarflexion

Question 4

Peroneus Longus

Answer 4

Plantarflexes and everts the foot

Question 5

Biceps Femoris - Long Head

Answer 5

accelerates knee flexion and hip extension

Question 6

Biceps Femoris - Short Head

Answer 6

Accelerates knee flexion and tibial external rotation

Question 7

Semimembranosus & Semitendinosus

Answer 7

Accelerates knee flexion, hip extension, and tibial internal rotation

Question 8

Vastus Lateralis & Vastus Medialis & Vastus Intermedius

Answer 8

Accelerates knee extension

Question 9

Rectus Femoris

Answer 9

Accelerates knee extension and hip flexion

Question 10

Adductor Longus & Adductor Magnus – Anterior Fibers

Answer 10

Accelerates hip adduction, flexion, and internal rotation

Question 11

Adductor Magnus – Posterior Fibers

Answer 11

Accelerates hip adduction, extension, and external rotation

Question 12

Adductor Brevis

Answer 12

Accelerates hip adduction. flexion, and internal rotation

Question 13

Gracilis

Answer 13

Accelerates hip adduction, flexion, and internal rotation

Assists in tibial internal rotation

Question 14

Pectineus

Answer 14

Accelerates hid adduction, flexion, and internal rotation

Question 15

Gluteus Medius

Answer 15

Accelerates hip abduction and internal rotation (anterior fibers)
Accelerates hip abduction and external rotation (posterior fibers)

Question 16

Gluteus Minimus

Answer 16

Accelerates hip abduction and internal rotation

Question 17

Gluteus Maximus

Answer 17

Accelerates hip extension and external rotation

Question 18

Tensor Fascia Latae (including the IT band)

Answer 18

Accelerates hip flexion, abduction, and internal rotation

Question 19

Psoas

Answer 19

Accelerates hip flexion and external rotation

Extends and rotates lumbar spine

Question 20

Iliacus

Answer 20

accelerates hip flexion and external rotation

Question 21

Sartorius

Answer 21

Accelerates hip flexion, external rotation, and abduction

Accelerates knee flexion and internal rotation

Question 22

Piriformis

Answer 22

Accelerates hip external rotation, abduction, and extension

Question 23

Rectus Abdominis

Answer 23

Accelerates spinal flexion, lateral flexion, and rotation

Question 24

External Oblique

Answer 24

Accelerates spinal flexion, lateral flexion, and contralateral rotation

Question 25

Internal Oblique

Answer 25

Accelerates spinal flexion, lateral flexion, and ispilateral rotation

Question 26

Transverse Abdominis

Answer 26

Increases intra-abdominal pressure | Supports the abdominal vescera

Question 27

Diaphram

Answer 27

Pulls the central tendon inferiorly, increasing the volume in the thoracic cavity

Question 28

Superficial Erector Spinae: Iliocostalis, longissmus, and spinalis

Answer 28

Accelerates spinal extension, rotation, and lateral flexion

Question 29

Quadratus Lumborum

Answer 29

Spinal lateral flexion

Question 30

Multifidus

Answer 30

Accelerates spinal extension and contralateral

Question 31

Latissimus Dorsi

Answer 31

accelerates shoulder extension, adduction, and internal rotation

Question 32

Serratus Anterior

Answer 32

Accelerates scapular retraction

Question 33

Rhomboid Major

Answer 33

Produces scapular retraction and downward rotation

Question 34

Rhomboid Minor

Answer 34

Produces scapular retraction and downward rotation

Question 35

Lower Trapezius

Answer 35

Accelerates scapular depression

Question 36

Middle Trapezius

Answer 36

Accelerates scapular retraction

Question 37

Upper Trapezius

Answer 37

Accelerates cervical extension, lateral flexion, and rotation Accelerates scapular elevation

Question 38

Pectoralis Major

Answer 38

Accelerates shoulder flexion (clavicular fibers), horizontal adduction, and internal rotation

Question 39

Pectoralis Minor

Answer 39

Protracts the scapula

Question 40

Anterior Deltoid

Answer 40

Accelerates shoulder flexion and internal rotation

Question 41

Medial Deltoid

Answer 41

Accelerates shoulder abduction

Question 42

Posterior Deltoid

Answer 42

Accelerates shoulder extension and external rotation

Question 43

Teres Major

Answer 43

Accelerates shoulder internal rotation, adduction, and extension

Question 44

Teres Minor

Answer 44

Accelerates shoulder external rotation

Question 45

Infraspinatus

Answer 45

accelerates shoulder external rotation

Question 46

Subscapularis

Answer 46

accelerates shoulder internal rotation

Question 47

Supraspinatus

Answer 47

Accelerates abduction of the arm

Question 48

Biceps Brachii

Answer 48

Accelerates elbow flexion, supination, of the radioulnar joint, and shoulder flexion

Question 49

Triceps Brachii

Answer 49

Accelerates elbow extension and shoulder extension

Question 50

Brachioradialis

Answer 50

Accelerates elbow flexion

Question 51

Brachialis

Answer 51

Accelerates elbow flexion

Question 52

Levator Scapulae

Answer 52

Accelerates cervical extension, lateral flexion, and ipsilateral rotation when the scapulae is anchored Assists in elevation and downward rotation of the scapulae

Question 53

Sternocleidomastoid

Answer 53

Accelerates cervical flexion, rotation, and lateral flexion

Question 54

Scalenes

Answer 54

Accelerates cervical flexion, rotation, and lateral flexion Assists rib elevation during inhalation

Question 55

Longus Coli

Answer 55

Accelerates cervical flexion, lateral flexion, and ipsilateral rotation

Question 56

Longus Capitis

Answer 56

Accelerates cervical flexion and lateral flexion