A&P Practical 2

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Last updated 4:33 PM on 4/22/25
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225 Terms

1
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A
coronal suture
coronal suture
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B
parietal bone
parietal bone
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C
squamous suture
squamous suture
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D
temporal bone
temporal bone
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E
zygomatic process
zygomatic process
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F
lambdoidal suture
lambdoidal suture
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G
occipital bone
occipital bone
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H
external acoustic meatus
external acoustic meatus
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I
mastoid process
mastoid process
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J
styloid process
styloid process
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K
condylar process
condylar process
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L
mandibular angle
mandibular angle
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M
frontal bone
frontal bone
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N
sphenoid bone
sphenoid bone
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O
ethmoid bone
ethmoid bone
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Q
nasal bone
nasal bone
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R
zygomatic bone
zygomatic bone
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S
coronoid process
coronoid process
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T
maxilla
maxilla
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U
mandible
mandible
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V
mental foramen
mental foramen
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W
mandibular notch
mandibular notch
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X
mandibular ramus
mandibular ramus
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35 - name & function
supinator - supinates forearm (palm up)
supinator - supinates forearm (palm up)
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5 - name & function
subscapularis - medially rotates humerus
subscapularis - medially rotates humerus
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11 - name & function; origin & insertion
* biceps brachii
* forearm flexion and supination


* origin: coracoid process and supraglenoid tubercle of scapula
* insertion: radial tuberosity
* biceps brachii 
* forearm flexion and supination


* origin: coracoid process and supraglenoid tubercle of scapula
* insertion: radial tuberosity
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22 - name & function
pronator teres - pronates forearm (palm down)
pronator teres - pronates forearm (palm down)
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23 - name & function
flexor carpi radialis - hand flexion at wrist
flexor carpi radialis - hand flexion at wrist
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1 - name & function
frontalis - elevates the eyebrows
frontalis - elevates the eyebrows
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2 - name & function
orbiculus oculi - closes eye (blinking or squinting)
orbiculus oculi - closes eye (blinking or squinting)
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3 - name & function
orbiculus oris - closes or purses lips (kissing or whistling muscle)
orbiculus oris - closes or purses lips (kissing or whistling muscle)
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5 - name & function

zygomatic major - elevates corners of mouth (smiling muscle)

<p>zygomatic major - elevates corners of mouth (smiling muscle)</p>
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4 - name & function

zygomatic minor - elevates corners of mouth (smiling muscle)

<p>zygomatic minor - elevates corners of mouth (smiling muscle)</p>
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6 - name & function
risorius - draws corners of the mouth laterally
risorius - draws corners of the mouth laterally
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1 - name & function, origin & insertion
* masseter - elevates mandible
* origin: zygomatic arch and zygomatic bone
* insertion: angle and ramus of mandible
* masseter - elevates mandible
* origin: zygomatic arch and zygomatic bone
* insertion: angle and ramus of mandible
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2 - name & function
zygomatic major - elevates corners of mouth (smiling muscle)
zygomatic major - elevates corners of mouth (smiling muscle)
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2^ - name & function

zygomatic minor - elevates corners of mouth (smiling muscle)

<p>zygomatic minor - elevates corners of mouth (smiling muscle)</p>
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3 - name & function

risorius - draws corners of the mouth laterally

<p>risorius - draws corners of the mouth laterally</p>
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5 - name & function, origin & insertion
sternocleidomastoid

* bilateral contraction causes cervical flexion; unilateral contraction causes cervical rotation to opposite side
* origin: manubrium and medial clavicle
* insertion: mastoid process
sternocleidomastoid 

* bilateral contraction causes cervical flexion; unilateral contraction causes cervical rotation to opposite side
* origin: manubrium and medial clavicle
* insertion: mastoid process
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7 - name & function
anterior scalene muscle - flexes and slightly rotates neck
anterior scalene muscle - flexes and slightly rotates neck
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8 - name & function
sternocleidomastoid

* bilateral contraction causes cervical flexion; unilateral contraction causes cervical rotation to opposite side
* origin: manubrium and medial clavicle
* insertion: mastoid process
sternocleidomastoid 

* bilateral contraction causes cervical flexion; unilateral contraction causes cervical rotation to opposite side
* origin: manubrium and medial clavicle
* insertion: mastoid process
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9 - name & function
external intercostal muscle - inspiration
external intercostal muscle - inspiration
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10 - name & function
internal intercostal muscle - expiration
internal intercostal muscle - expiration
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11 - name & function
pectoralis minor - abducts scapula
pectoralis minor - abducts scapula
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12 - name & function
deltoid - abducts humerus
deltoid - abducts humerus
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13 - name & function
pectoralis major - abducts scapula
pectoralis major - abducts scapula
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1 - name & function
occipitalis - draws scalp posteriorly
occipitalis - draws scalp posteriorly
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2 - name & function
trapezius

* superior portion: elevates scapula
* middle portion: adducts scapula
* inferior portion: depresses scapula
trapezius

* superior portion: elevates scapula
* middle portion: adducts scapula
* inferior portion: depresses scapula
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3 & 4 - name & function
rhomboids - adducts scapula
rhomboids - adducts scapula
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1 - name & function
temporalis - elevates mandible
temporalis - elevates mandible
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2 -name & function
lateral pterygoid - protracts mandible
lateral pterygoid - protracts mandible
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3 - name & function
medial pterygoid - elevates mandible
medial pterygoid - elevates mandible
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4 - name & function
buccinator - compresses cheek (whistling), holds food between teeth during chewing
buccinator - compresses cheek (whistling), holds food between teeth during chewing
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5 - name & function
levator scapulae - elevates scapula
levator scapulae - elevates scapula
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6 - name & function
posterior scalene - flexes and slightly rotates neck
posterior scalene - flexes and slightly rotates neck
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7 - name & function
middle scalene - flexes and slightly rotates neck
middle scalene - flexes and slightly rotates neck
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8 - name & function
anterior scalene - flexes and slightly rotates neck
anterior scalene - flexes and slightly rotates neck
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9 - name & function
serratus anterior - abducts scapula
serratus anterior - abducts scapula
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10 - name & function
pectoralis minor - abducts scapula
pectoralis minor - abducts scapula
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1 - name & function
gastrocnemius - foot plantar flexion
gastrocnemius - foot plantar flexion
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2 - name & function
tibialis anterior - foot dorsiflexion
tibialis anterior - foot dorsiflexion
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3 - name & function
biceps femoris - part of hamstring group, extends thigh
biceps femoris - part of hamstring group, extends thigh
63
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4 - name & function; origin & insertion
gluteus maximus

* extends thigh
* origin: dorsal ilium, sacrum, and coccyx
* insertion: gluteal tuberosity of femur
gluteus maximus 

* extends thigh
* origin: dorsal ilium, sacrum, and coccyx
* insertion: gluteal tuberosity of femur
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5 - name & function
tensor fascia lata - abducts thigh
tensor fascia lata - abducts thigh
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1 - name & function
gluteus medius - abducts thigh
gluteus medius - abducts thigh
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1 - name & function
tibialis anterior - dorsiflexion of foot
tibialis anterior - dorsiflexion of foot
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2 - name & function
vastus lateralis - extends leg
vastus lateralis - extends leg
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3 - name & function
vastus medialis - extends leg
vastus medialis - extends leg
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4 - name & function; origin & insertion
rectus femoris

* leg and thigh extension
* origin: anterior inferior iliac spine
* insertion: tibial tuberosity and patella
rectus femoris

* leg and thigh extension
* origin: anterior inferior iliac spine
* insertion: tibial tuberosity and patella
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5 - name & function; origin & insertion
sartorius

* flexes thigh and leg, laterally rotates thigh
* origin: anterior superior iliac spine
* insertion: medial proximal tibia
sartorius

* flexes thigh and leg, laterally rotates thigh
* origin: anterior superior iliac spine
* insertion: medial proximal tibia
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6 - name & function
tensor fascia lata - abducts thigh
tensor fascia lata - abducts thigh
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1 - name & function
vastus intermedius - extends leg
vastus intermedius - extends leg
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1 - name & function
gracilis - adducts thigh
gracilis - adducts thigh
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2 - name & function
adductor longus - adducts thigh
adductor longus - adducts thigh
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3 - name & function
semimembranosus - flexes leg, extends thigh
semimembranosus - flexes leg, extends thigh
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4 -name & function
adductor magnus - adducts thigh
adductor magnus - adducts thigh
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5 - name & function
soleus - foot plantar flexion
soleus - foot plantar flexion
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6 - name & function
vastus medialis - extends leg
vastus medialis - extends leg
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7 - name & function
semitendonis - extends leg
semitendonis - extends leg
80
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1 - name & function
soleus - foot plantar flexion
soleus - foot plantar flexion
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1 - name & function
gastrocnemius - foot plantar flexion
gastrocnemius - foot plantar flexion
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2 - name & function
semimembranosus - flexes leg, extends thigh
semimembranosus - flexes leg, extends thigh
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3 - name & function
semitendinosus - flexes leg, extends thigh
semitendinosus - flexes leg, extends thigh
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4 - name & function
biceps femoris - flexes leg, extends thigh
biceps femoris - flexes leg, extends thigh
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5 - name & function
gracilis - adducts thigh
gracilis - adducts thigh
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6 - name & function
adductor magnus - adducts thigh
adductor magnus - adducts thigh
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1 - name & function
iliopsoas - flexes thigh
iliopsoas - flexes thigh
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1 - name & function
transversus abdominis - compresses abdomen
transversus abdominis - compresses abdomen
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2 - name & function
rectus abdominis - trunk flexion
rectus abdominis - trunk flexion
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3 - name & function
internal obliques - trunk rotation and flexion unilaterally, trunk flexion bilaterally
internal obliques - trunk rotation and flexion unilaterally, trunk flexion bilaterally
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4 - name & function
external obliques - trunk rotation and flexion unilaterally, trunk flexion bilaterally
external obliques - trunk rotation and flexion unilaterally, trunk flexion bilaterally
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6 - name & function; origin & insertion
pectoralis major

* adducts and medially rotates humerus
* origin: clavicle, sternum, and ribs 1-6
* insertion: intertubercular sulcus of humerus
pectoralis major 

* adducts and medially rotates humerus
* origin: clavicle, sternum, and ribs 1-6
* insertion: intertubercular sulcus of humerus
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7 - name & function
pectoralis minor - abducts scapula
pectoralis minor - abducts scapula
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1 - name & function
serratus anterior - abducts scapula
serratus anterior - abducts scapula
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2 - name & function
diaphragm - inspiration
diaphragm - inspiration
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1 - name & function
supraspinatus - abducts humerus
supraspinatus - abducts humerus
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2 - name & function
infraspinatus - laterally rotates humerus
infraspinatus - laterally rotates humerus
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3 - name & function
teres minor - laterally rotates humerus
teres minor - laterally rotates humerus
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4 - name & function
teres major - extend, medially rotates, and adducts humerus
teres major - extend, medially rotates, and adducts humerus
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5 - name & function
triceps brachii - forearm extension
triceps brachii - forearm extension