Bio 223 Lab 6: Muscular System

Front 1

Lavator Scapulae

Back 1

elevates scapula

Front 2

Pectoralis Minor

Back 2

depresses and protracts shoulder
rotates scapula so glenoid cavity moves inferiorly
elevates ribs if scapula is stationary

Front 3

Rhomboid Major and Minor

Back 3

adducts scapula and performs downward rotation

Front 4

Serratus Anterior

Back 4

protracts shoulder
rotates scapula so glenoid cavity moves superiorly

Front 5

Subcalvius

Back 5

depresses and protracts shoulder

Front 6

Trapezius

Back 6

elevates, retracts, depresses or rotates scapula upward
elevates clavicle
extends neck

Front 7

Deltoid

Back 7

Whole muscle: abduct at shoulder
Anterior part: flexion and medial rotation
Posterior part: extension and lateral rotation

Front 8

Supraspinatus

Back 8

Abduction at shoulder

Front 9

Subscapularis

Back 9

Medial rotation at shoulder

Front 10

Infraspinatus

Back 10

Lateral rotation at shoulder

Front 11

Teres Minor

Back 11

Lateral Rotation at Shoulder

Front 12

Teres Major

Back 12

Extension, adduction and medial rotation at the shoulder

Front 13

Coracobrachialis

Back 13

Adduction and Flexion at shoulder

Front 14

Pectoralis Major

Back 14

Flexion, adduction and medial rotation at shoulder

Front 15

Latissimus Dorsi

Back 15

extension, adduction and medial rotation at shoulder

Front 16

Biceps Brachii

Back 16

Flexion at elbow and shoulder
Supination

Front 17

Brachialis

Back 17

Flexion at elbow

Front 18

Brachioradialis

Back 18

Flexion at elbow

Front 19

Triceps Brachii

Back 19

Extension at elbow
Extension and adduction at shoulder

Front 20

Pronator Teres

Back 20

Pronation

Front 21

Supinator

Back 21

Supination

Front 22

Flexor Carpi Radialis

Back 22

Flexion and abduction at wrist

Front 23

Flexor Carpi Ulnaris

Back 23

Front 24

Palmaris Longus

Back 24

Front 25

Extensor Carpi Ulnaris

Back 25

Extension and adduction at wrist

Front 26

Extensor Digitorum

Back 26

Extension at finger joints and wrist

Front 27

Flexor Digitorum Superficialis

Back 27

Flexion at proximal interphalangeal, metacarpophalangeal and wrist joints

Front 28

Gluteus Maximus

Back 28

Extension and lateral rotation at the hip

Front 29

Gluteus Medius

Back 29

Abduction and medial rotation at hip

Front 30

Tensor Fasciae Latae

Back 30

Flexion and medial rotation at hip

Front 31

Adductor Longus

Back 31

Adduction, flexion and medial rotation at hip

Front 32

Adductor Magnus

Back 32

Adduction at hip
Superior part produces flexion and medial rotation
Inferior part produces extension and lateral rotation

Front 33

Pectineus

Back 33

Flexion, medial rotation and adduction at hip

Front 34

Gracillis

Back 34

Flexion at knee
Adduction and Medial rotation at hip

Front 35

Iliacus

Back 35

Flexion at hip

Front 36

Psoas Major

Back 36

Flexion at hip or intervertebral joints

Front 37

Biceps Femoris

Back 37

Felsion at knee
extension and lateral rotation at hip

Front 38

Semimembranosus

Back 38

Flexion at knee
Extension and medial rotation at hip

Front 39

Semitendinosus

Back 39

Flexion at knee
Extension and medial rotation at hip

Front 40

Sartorius

Back 40

Flexion at knee
Flexion and lateral rotation at hip

Front 41

Rectus Femoris

Back 41

Extension at knee
Flexion at hip

Front 42

Vastus Intermedius
Vastus Lateralis
Vastus Medialis

Back 42

Extension at knee

Front 43

Tibialis Anterior

Back 43

Flexion/ Dorsiflexion at Ankle
Inversion of foot

Front 44

Gastrocnemius

Back 44

Extension/Plantar flexion at ankle
Inversion of foot
flexion at knee

Front 45

Soleus

Back 45

extension/plantar flexion at ankle

Front 46

Fibularis Longus

Back 46

Eversion of Foot and extension/plantar flexion at ankle
suports longitudinal arch

Front 47

Tibialis Posterior

Back 47

Adduction and inversion of foot
Extension / plantar flexion at ankle

Front 48

Calcaneal Tendon

Back 48