Anat Chp 10/11

Front 1

Origin: Maxilla and mandible.
Insertion: Lips.

Back 1

orbicularis oris
-compress lips or purse them

Front 2

Origin: Medial orbit.
Insertion: Skin around eyelids

Back 2

orbicularis oculi
-close eye, blink, wink, squint

Front 3

Origin: Temporal fossa.
Insertion: Coronoid process of mandible.

Back 3

temporalis
-elevate mandible

Front 4

Origin: Zygomatic arch.
Insertion: Lateral ramus of mandible.

Back 4

masseter
-elevate mandible

Front 5

Origin: Sternal Head: Manubrium
Clavicular Head: Medial clavicle.
Insertion: Mastoid process and superior nuchal line.

Back 5

sternocleidomastoid
-turn head, flex neck and head

Front 6

Origin: Xiphoid process, costal cartilages 7-12, lumbar vertebrae (anterior)
Insertion: Central tendon

Back 6

diaphragm
-expand thoracic cavity/ inhale

Front 7

Origin: Inferior border of superior rib.
Insertion: Superior border of inferior rib.

Back 7

external intercostals
-elevate ribs and active inspiration

Front 8

Origin: Superior border of inferior rib.
Insertion: Inferior border of superior rib.

Back 8

internal intercostals
- depress ribs
-active expiration

Front 9

Origin: Ribs 5-12.
Insertion: Linea alba, iliac crest.

Back 9

external abdominal obliques
-rotate trunk, flex vertebral column

Front 10

Origin: Thoracolumbar fascia, inguinal ligament, iliac crest.
Insertion: Linea alba, pubic crest, ribs/costal cartilages 8-12.

Back 10

internal abdominal oblique
- rotate trunk, compress abs

Front 11

Origin: Thoracolumbar fascia, inguinal ligament, iliac crest, ribs/costal cartilages 6-12.
Insertion: Linea alba, pubic crest.

Back 11

transversus abdominis
-compress abdominal wall

Front 12

Origin: superior pubis.
Insertion: Xiphoid process, costal cartilages 5-7.

Back 12

rectus abdominis
-flew vertebral column

Front 13

What is the name of the fibrous sleeve (arising from the aponeuroses of the external oblique, internal oblique, and transversus abdominis) that encloses the rectus abdominis muscle?

Back 13

rectus sheath

Front 14

What is the name of the longitudinal, collagenous line between the left and right rectus abdominis muscles where the above fibrous sleeve connects along the midline?

Back 14

linea alba

Front 15

Origin: Iliac crest, iliolumbar ligament.
Insertion: 12th rib, transverse processes of lumbar vertebrae.

Back 15

quadratus lumborum
-laterally flex spine
-extend vertebral column

Front 16

Origin: Anterior part of ribs 1-8/9.
Insertion: Anterior vertebral border of scapula.

Back 16

serratus anterior
-protract scapula

Front 17

Origin: Anterior part of ribs 2/3-5.
Insertion: Coracoid process of scapula.

Back 17

pectoralis minor
- protract and depress scapula

Front 18

Origin: External occipital protuberance to T12 (nuchal ligament and all spinous processes from C7-T12).
Insertion: Acromion, acromial end of clavicle, spine of scapula.

Back 18

trapezius
-retract scapula

Front 19

Origin: Transverse processes of cervical vertebrae (C1-C4).
Insertion: Superior vertebral border of scapula.

Back 19

levator scapulae
-elevate scapula

Front 20

Origin: Spinous processes of C7-T1.
Insertion: Vertebral border of scapula.

Back 20

rhomboid minor
-adducts scapula

Front 21

Origin: superior pubis.
Insertion: Xiphoid process, costal cartilages 5-7.

Back 21

rectus abdominis
-flex vertebral column

Front 22

What is the name of the fibrous sleeve (arising from the aponeuroses of the external oblique, internal oblique, and transversus abdominis) that encloses the rectus abdominis muscle?

Back 22

rectus sheath

Front 23

What is the name of the longitudinal, collagenous line between the left and right rectus abdominis muscles where the above fibrous sleeve connects along the midline?

Back 23

linea alba

Front 24

Origin: Iliac crest, iliolumbar ligament.
Insertion: 12th rib, transverse processes of lumbar vertebrae.

Back 24

quadratus lumborum
-laterally flew spine
extend vertebral column

Front 25

Origin: Anterior part of ribs 1-8/9.
Insertion: Anterior vertebral border of scapula.

Back 25

serratus anterior
-protract scapula

Front 26

Origin: Anterior part of ribs 2/3-5.
Insertion: Coracoid process of scapula.

Back 26

pectoralis minor
-protract and depress scapula

Front 27

Origin: External occipital protuberance to T12 (nuchal ligament and all spinous processes from C7-T12).
Insertion: Acromion, acromial end of clavicle, spine of scapula.

Back 27

trapezius
-retract scapula

Front 28

Origin: Transverse processes of cervical vertebrae (C1-C4).
Insertion: Superior vertebral border of scapula.

Back 28

levator scapulae
-elevate scapula

Front 29

Origin: Spinous processes of C7-T1.
Insertion: Vertebral border of scapula.

Back 29

rhomboid minor
-adducts scapula

Front 30

Origin: Spinous processes of T2-T5.
Insertion: Vertebral border of scapula.

Back 30

rhomboid major
- adducts scapula

Front 31

Origin: Clavicular head: Medial clavicle.
Sternocostal head: Body of sternum, costal cartilages 2-6, aponeurosis of external oblique.
Insertion: Crest of greater tubercle.

Back 31

pectoralis major
-flex, adduct and medially rotate humerus

Front 32

Origin: Coracoid process of scapula.
Insertion: Medial humerus (middle 1/3).

Back 32

coracobrachialis
-flex and adduct humerus

Front 33

Origin: Thoracolumbar fascia (spinous processes of lumbar and lower thoracic vertebrae, iliac crest, ribs 8-12).
Insertion: Intertubercular groove of humerus.

Back 33

latissimus dorsi
-extend, adduct, and medially rotate humerus

Front 34

Origin: Inferior angle of scapula.
Insertion: Crest of lesser tubercle.

Back 34

teres major
-extend and medially rotate humerus

Front 35

Origin: Subscapular fossa of scapula.
Insertion: Lesser tubercle of humerus.

Back 35

subscapularis
-medially rotates humerus

Front 36

Origin: Infraspinous fossa of scapula.
Insertion: Greater tubercle of humerus.

Back 36

infraspinatus
-laterally rotates the humerus

Front 37

Origin: Lateral border of scapula.
Insertion: Greater tubercle of humerus.

Back 37

teres minor
- laterally rotates humerus and some adducting

Front 38

Origin: Supraspinous fossa of scapula.
Insertion: Greater tubercle of humerus

Back 38

supraspinatus
-abduct humerus

Front 39

What 4 muscles form the rotator cuff (merging tendons with the glenohumeral joint capsule)?

Back 39

subscapularis
teres minor
infraspinatus
supraspinatus

Front 40

Origin: Clavicular head: Medial clavicle.
Sternocostal head: Body of sternum, costal cartilages 2-6, aponeurosis of external oblique.
Insertion: Crest of greater tubercle.

Back 40

pectoralis major
-flex, adduct and medially rotate humerus

Front 41

Origin: Acromion, acromial end of clavicle, spine of scapula.
Insertion: Deltoid tuberosity (named for muscle).

Back 41

deltoid
-adduct humerus
-flex and medially rotate humerus
-extend and laterally rotate humerus

Front 42

Origin: Coracoid process of scapula.
Insertion: Medial humerus (middle 1/3).

Back 42

coracobrachialis
-flex and adduct humerus

Front 43

Origin: Thoracolumbar fascia (spinous processes of lumbar and lower thoracic vertebrae, iliac crest, ribs 8-12).
Insertion: Intertubercular groove of humerus.

Back 43

latissimus dorsi
-extend, adduct, and medially rotate humerus

Front 44

Origin: Inferior angle of scapula.
Insertion: Crest of lesser tubercle.

Back 44

teres major
-extend and medially rotate humerus

Front 45

Origin: Subscapular fossa of scapula.
Insertion: Lesser tubercle of humerus.

Back 45

subscapularis
-medially rotates humerus

Front 46

Origin: Infraspinous fossa of scapula.
Insertion: Greater tubercle of humerus.

Back 46

infraspinatus
-laterally rotates the humerus

Front 47

Origin: Lateral border of scapula.
Insertion: Greater tubercle of humerus.

Back 47

teres minor
- laterally rotates humerus and some adducting

Front 48

Origin: Supraspinous fossa of scapula.
Insertion: Greater tubercle of humerus

Back 48

supraspinatus
-abduct humerus

Front 49

What 4 muscles form the rotator cuff (merging tendons with the glenohumeral joint capsule)?

Back 49

subscapularis
teres minor
infraspinatus
supraspinatus

Front 50

Origin: Acromion, acromial end of clavicle, spine of scapula.
Insertion: Deltoid tuberosity (named for muscle).

Back 50

deltoid
-adduct humerus
-flex and medially rotate humerus
-extend and laterally rotate humerus

Front 51

Origin: Short head: Coracoid process of scapula.
Long head: Supraglenoid tubercle of scapula.
Insertion: Radial tuberosity, bicipital aponeurosis

Back 51

biceps brachii
-flex and supinate antebrachium

Front 52

Origin: Distal, anterior humerus.
Insertion: Ulnar tuberosity (coronoid process).

Back 52

brachialis
-flex antebrachium

Front 53

Origin: Lateral supracondylar ridge of humerus.
Insertion: Distolateral radius (styloid process).

Back 53

brachioradialis
- flex antebrachium

Front 54

Origin: Long head: Infraglenoid tubercle of scapula.
Lateral head: Posterior humerus, superior to radial groove.
Medial head: Posterior humerus, inferior to radial groove.
Insertion: Olecranon process of ulna.

Back 54

triceps brachii
-extend antebrachium and steadies abducted humerus

Front 55

Origin: Lateral epicondyle of humerus, crest of ulna.
Insertion: Anterolateral radius (distal to radial tuberosity).

Back 55

supinator
-supinate antebrachium

Front 56

Origin: Medial epicondyle of humerus, coronoid process of ulna.
Insertion: Mid-lateral radius.

Back 56

pronator teres
-pronate antebrachium
-medial rotation of radius

Front 57

Origin: Distal shaft of ulna.
Insertion: Distal shaft of radius.

Back 57

pronator quadratus
-pronate antebrachium

Front 58

Origin: Medial epicondyle of humerus, interosseous membrane, anterior surfaces of proximal radius and ulna.
Insertion: Carpals, metacarpals, phalanges.

Back 58

flexor group
-flew wrist and digits

Front 59

Origin: Lateral epicondyle of humerus, interosseous membrane, posterior surfaces of proximal radius and ulna.
Insertion: Carpals, metacarpals, phalanges.

Back 59

extensor group
-extend digits and wrist

Front 60

What do we call the wide bands of thickened fascia on the anterior and posterior aspects of the wrist and ankle which retain tendons (preventing bow-stringing)?

Back 60

flexor/ extensor retinaculum

Front 61

What condition results from the compression of the median nerve under the flexor retinacula of the wrist, potentially resulting in pain, numbness, tingling, and weakness of the thumb muscles?

Back 61

carpal tunnel syndrome

Front 62

Origin: Iliac fossa.
Insertion: Lesser trochanter of femur.

Back 62

Iliacus
-flex hip

Front 63

Origin: Transverse processes of L1-L5.
Insertion: Lesser trochanter of femur.

Back 63

psoas major
-flex hip, rotate femur laterally, flex vertebral column

Front 64

The iliacus and psoas major muscles unite as they pass under the inguinal ligament. What name is used to refer to this single muscle (hip flexor) found at the superior aspect of the anterior thigh?

Back 64

Iliopsoas

Front 65

Origin: Anterior superior iliac spine.
Insertion: Medial to tibial tuberosity.

Back 65

Sartorius
-abducts and flex hip
flex knee
laterally rotate femur

Front 66

Origin: Anterior iliac crest.
Insertion: Lateral tibial epicondyle via iliotibial tract.

Back 66

tensor Fasciae Latae
-abduct femur
medially rotate femur

Front 67

Origin: Iliac crest, dorsal sacrum and coccyx, thoracolumbar fascia, lateral ilium.
Insertion: Gluteal tuberosity (named for muscle), iliotibial tract

Back 67

gluteus maximus
-extend and laterally rotate femur

Front 68

Origin: Superolateral ilium.
Insertion: Greater trochanter (lateral).
-abduct and medially rotate femur

Back 68

gluteus medius
-abduct and medially rotate femur

Front 69

Origin: Inferolateral ilium.
Insertion: Greater trochanter (lateral).
abduct and medially rotate femur

Back 69

Gluteus minimus
-abduct and medially rotate femur

Front 70

Origin: Superior ramus of pubis.
Insertion: Pectineal line (named for muscle) of femur.

Back 70

Pectineus
-adduct, flex, and laterally rotate femur

Front 71

Origin: Body and inferior ramus of pubis.
Insertion: Proximal linea aspera.

Back 71

adductor brevis
-adduct femur, laterally rotate femur

Front 72

Origin: Pubis (below crest).
Insertion: Mid linea aspera.

Back 72

Adductor longus
-adduct femur

Front 73

Origin: Inferior ramus of pubis, ramus of ischium, ischial tuberosity.
Insertion: Adductor head: Linea aspera
Hamstring head: Adductor tubercle.

Back 73

Adductor magnus
Action: adduct femur
Hamstring head: extend thigh

Front 74

Origin: Inferior ramus of pubis.
Insertion: Medial to tibial tuberosity.

Back 74

Gracilis
-adduct, medially rotate femur

Front 75

Origin: Anterior inferior iliac spine, groove superior to acetabulum.
Insertion: Tibial tuberosity.

Back 75

rectus femoris
-extend knee and flex hip

Front 76

Origin: Greater trochanter, linea aspera.
Insertion: Tibial tuberosity.

Back 76

Vastus lateralis
-extend knee

Front 77

Origin: Anterolateral femur, linea aspera.
Insertion: Tibial tuberosity.

Back 77

vastus intermedius
-extend knee

Front 78

Origin: Medial femur, linea aspera.
Insertion: Tibial tuberosity.

Back 78

Vastus medialis
-extend knee

Front 79

Origin: Long head: Ischial tuberosity
Short head: Distal linea aspera.
Insertion: Fibular head.

Back 79

Biceps femoris
-extend/ laterally rotate femur and flex knee

Front 80

Origin: Ischial tuberosity.
Insertion: Medial to tibial tuberosity.

Back 80

Semitendinosus
-extend and medially femur
flex knee

Front 81

Origin: Ischial tuberosity.
Insertion: Posterior to medial tibial condyle.

Back 81

semimembranosus
-extend and medially rotate femur and flex knee

Front 82

Origin: Lateral epicondyle and surface of tibia, interosseous membrane.
Insertion: Medial cuneiform and base of 1st metatarsal (medial and inferior portions).

Back 82

tibialis anterior
-dorsiflex and invert foor

Front 83

Origin: Head and proximal shaft of fibula.
Insertion: Medial cuneiform and base of 1st metatarsal (inferior portion).

Back 83

Fibularis longus
-plantar flex and evert foor

Front 84

Origin: Adjacent to femoral condyles.
Insertion: Calcaneus via tendo calcaneus.

Back 84

gastrocnemius
-plantar foor flex
and flex knee

Front 85

Origin: Soleal line (named for muscle) on posterior tibia, posterior fibula.
Insertion: Calcaneus via tendo calcaneus.

Back 85

Soleus
-plantar flexion

Front 86

Blood starvation:
Compression injury:

Back 86

Ischemia
Compartment syndrome