1St Semester A&p Muscles/joints For Bio 312 Lab

Front 1

Temporalis

Back 1

Elevates Mandible
Closes Jaw

Front 2

Masseter

Back 2

Elevates Mandible
Closes Jaw

Front 3

Platysma

Back 3

Tenses skin of neck
Depresses Mandible

Front 4

Sternocleidomastoid

Back 4

Both: Flex Neck
One: Rotates Head
Lateral Flexion

Front 5

External Intercostals

Back 5

Elevate Ribs

Front 6

Internal Intercostals

Back 6

Depresses Ribs

Front 7

Diaphram

Back 7

Expand Thoracic Cavity

Front 8

External Oblique

Back 8

Compress Abdomen
Depress Ribs
Flex Spine

Front 9

Internal Oblique

Back 9

Compress Abdomen
Depress Ribs
Flex Spine

Front 10

Transverse Abdominis

Back 10

Compress Abdomen

Front 11

Rectus Abdominis

Back 11

Depress Ribs
Flex Spine

Front 12

Splenius Group

Back 12

Both: Extend Neck
One: Lateral Rotation of Head

Front 13

Erector Spinae Group

Back 13

Extend Spine

Front 14

Pectoralis Minor

Back 14

Depress Shoulder
Elevate Ribs
Rotate Scapula

Front 15

Serratus Anterior

Back 15

Rotate Scapula Upward
Elevate Ribs

Front 16

Trapezius

Back 16

Adduction
Elevation and Rotation of Scapula
Elevate Clavicle
Extend Neck

Front 17

Levator Scapulae

Back 17

Elevate Scapula

Front 18

Rhomboideus Major

Back 18

Adduction and Med.
Rotate Scapula

Front 19

Rhomboideus Minor

Back 19

Adduction and Med.
Rotate Scapula

Front 20

Pectoralis Major

Back 20

Flex, Adduction, and Med.
Rotate Arm

Front 21

Latissimus Dorsi

Back 21

Extend, Adduct, and Med.
Rotate Arm
Depress Scapula

Front 22

Deltoid

Back 22

All- Abduct Arm
Ant- Flex and Med Rot. of Arm
Post- Ext and Lat Rot. of Arm

Front 23

Supraspinatus

Back 23

Abduct Arm

Front 24

Infraspinatus

Back 24

Adduct and Lat Rot. of Arm

Front 25

Coracobrachialis

Back 25

Adduct and Flex Arm

Front 26

Coracobrachialis

Back 26

Adduct and Flex Arm

Front 27

Teres Major

Back 27

Extend, Adduct and Med. Rotate Arm

Front 28

Teres Minor

Back 28

Lat. Rotate Arm

Front 29

Biceps Brachii

Back 29

Origin: Scapula
Insertion: Radial Tuberosity of Radius
Action: Flex Arm
Flex Forearm

Front 30

Brachialis

Back 30

Origin: Humerus
Insertion: Ulna
Action: Flex Forearm

Front 31

Brachioradialis

Back 31

Origin: Humerus
Insertion: Styloid Process of Radius
Action: Flex Forearm

Front 32

Triceps Brachii

Back 32

Origin: Scapula and Humerus
Insertion: Olecranon of Ulna
Action: Extend Arm
Extend Forearm

Front 33

Flexor Carpi Radialis

Back 33

Origin: Medial Epicondyle of Humerus
Insertion: Metacarpals II & III
Action: Flex Wrist

Front 34

Palmaris Longus

Back 34

Origin: Medial Epicondyle of Humerus
Insertion: Palmar Aponeurosis
Action: Flex Wrist

Front 35

Flexor Carpi Ulnaris

Back 35

Origin: Medial Epicondyle of Humerus
Insertion: Carpal (pisiform) & Metacarpal V
Action: Flex Wrist

Front 36

Flexor Digitorum Group

Back 36

Origin: Medial Epicondyle of Humerus
Insertion: Phalanges II-V
Action: Flex Digits

Front 37

Extensor Carpi Radialis Longus

Back 37

Origin: Lateral Epicondyle of Humerus
Insertion: Metacarpal II
Action: Extend Wrist

Front 38

Extensor Carpi Radialis Brevis

Back 38

Origin:Lateral Epicondyle of Humerus
Insertion: Metacarpal III
Action: Extend Wrist

Front 39

Extensor Digitorum

Back 39

Origin: Lateral Epicondyle of Humerus
Insertion: Phalanges II-V
Action: Extend Digits

Front 40

Extensor Carpi Ulnaris

Back 40

Origin: Lateral Epicondyle of Humerus
Insertion: Metacarpal V
Action: Extend Wrist

Front 41

Pollicis Group

Back 41

Origin: Ulna & Radius
Insertion: Metacarpal I
Action: Extend & Abduct Thumb

Front 42

Tensor Fasciae Latae

Back 42

Flex, Abduct, and Med. Rotate Thigh

Front 43

Gluteus Maximus

Back 43

Abduct, Extend, and Lat. Rotate Thigh

Front 44

Gluteus Medius

Back 44

Abduct and Med. Rotate Thigh

Front 45

Gluteus Minimus

Back 45

Abduct and Lat. Rotate Thigh

Front 46

Piriformis

Back 46

Abduct and Lat. Rotate Thigh

Front 47

Iliopsoas

Back 47

Flex and Lat. Rotate Thigh
Flex Spine

Front 48

Pectineus

Back 48

Flex, Adduct and Med. Rotate Thigh

Front 49

Adductor Longus

Back 49

Adduct Flex and Lat. Rotate Thigh

Front 50

Adductor Magnus

Back 50

Adduct Flex/Extend and Lat. Rotate Thigh

Front 51

Gracilis

Back 51

Adduct Thigh
Flex Leg

Front 52

Biceps Femoris

Back 52

Flex and Lat. Rotate Leg
Extend Thigh

Front 53

Semitendinosus

Back 53

Flex and Med. Rotate Leg
Extend Thigh

Front 54

Semimembranosus

Back 54

Flex and Med. Rotate Leg
Extend Thigh

Front 55

Rectus Femoris

Back 55

Extend Leg

Front 56

Vastus Lateralis

Back 56

Extend Leg

Front 57

Vastus Medialis

Back 57

Extend Leg

Front 58

Vastus Intermedius

Back 58

Extend Leg

Front 59

Sartorius

Back 59

Flex and Lat. Rotate Thigh
Flex Leg

Front 60

Tibialis Anterior

Back 60

Dorsiflex and Invert Foot

Front 61

Extensor Hallucis

Back 61

Extend Great Toe
Dorsiflex Foot

Front 62

Extensor Digitorum

Back 62

Extend Digits
Dorsiflex Foot

Front 63

Peroneus Group

Back 63

Plantar Flex and Evert Foot

Front 64

Gastrocnemius

Back 64

Plantar Flex Foot
Flex Leg

Front 65

Plantaris

Back 65

Plantar Flex Foot
Flex Leg

Front 66

Soleus

Back 66

Plantar Flex Foot
Flex Leg

Front 67

Skeletal Muscle

Back 67

Voluntary Muscle
Striated

Front 68

Skeletal Muscle:
Endomysium

Back 68

Each individual muscle fiber is surrounded by a connective tissue sheath

Front 69

Skeletal Muscle:
Fascicle

Back 69

Bundles of muscle cells

Front 70

Skeletal Muscle:
Perimysium

Back 70

Fascicles surrounded by a collagenous sheath

Front 71

Skeletal Muscle:
Epimysium

Back 71

Surrounds entire muscle

Front 72

Skeletal Muscle:
Muscle Cell made up of

Back 72

Myofibrils

Front 73

Skeletal Muscle:
Myofibrils are made up of

Back 73

Sarcomeres

Front 74

Skeletal Muscle:
Dark bands

Back 74

A Bands

Front 75

Skeletal Muscle:
Light bands

Back 75

I Bands

Front 76

Skeletal Muscle:
Middle of each I band

Back 76

Z line

Front 77

Skeletal Muscle:
the basic unit of structure and function in striated muscle

Back 77

Sarcomere

Lies between two successive Z lines

Front 78

Cardiac Muscle

Back 78

Striated
Found only in the heart
Under Involuntary control

Front 79

Cardiac Muscle:
Intercalated Discs

Back 79

Where cardiac muscle cells are joined end-to-end

Specialized junctional zone

Dark Pink Discs

Front 80

Smooth Muscle

Back 80

Found where slow, sustained contractions are needed (digestive tract, uterus, other internal organs)

Involuntary under control of ANS

Non-Striated

Front 81

Joints:
2 Classifications

Back 81

Functional (how much movement at joint)
Structural (specific type of connective tissue that binds the bones of the joint together)

Front 82

Joints:
Synarthrosis

Back 82

joint in which there is virtually no movement between the articulating bones (ex: sutures between the bones of the skull)

Front 83

Joints:
Amphiarthrosis

Back 83

joint in which there is only a small amount of movement allowed between articulating bones (ex: symphysis pubis)

Front 84

Joints:
Diarthrosis

Back 84

a joint in which free movement is allowed between articulating bones (ex: hip, shoulder, and knee joints)

Front 85

Joints:
Syndesmosis

Back 85

joint in which bones are held together by dense connective tissue

Front 86

Joints:
Gomphosis

Back 86

special type of syndesmosis in which the teeth are bonded into the bony sockets of the jaw via the fibrous periodontal ligament

Front 87

Joints:
synchondrosis

Back 87

a joint in which the bones are held together by hyaline cartilage (ex: the costal cartilages that bind the ribs to the sternum)

Front 88

Joints:
Symphysis

Back 88

a special type of synchondrosis in which the bones are held together by fibrocartilage (ex: pubic symphysis)

Front 89

Joints:
Synostosis

Back 89

a joint in which the bones are held together by bone (ex: sutures between the skull bones in older people)

Front 90

Joints:
Synovial

Back 90

a joint in which the bones are enclosed within a joint capsule (ex: hip and knee)