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Biology
Anatomy
11th
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51 Terms
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1
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Epicranius
Head, Neck, Face
Origin: Occipital bone
Insertion: Skin and muscle around the eye
Action: Raise eyebrow
2
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Orbicularis Oris
Head, Neck, Face
Origin: Muscles near the mouth
Insertion: Skin of the lips
Action: Pucker lips
3
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Orbicularis Oculi
Head, Neck, Face
Origin: Frontal bone and maxilla
Insertion: Skin around the eye
Action: Close eye
4
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Buccinator
Head, Neck, Face
Origin: Maxilla and mandible
Insertion: Orbicularis oris
Action: Compress cheek (blowing)
5
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Zygomaticus
Head, Neck, Face
Origin: Zygomatic bone
Insertion: Orbicularis oris
Action: Smiling
6
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Platysma
Head, Neck, Face
Origin: Chest-fascia
Insertion: Mandible
Action: Drooping face, frowning
7
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Masseter
Head, Neck, Face
Origin: Zygomatic arch
Insertion: Mandible
Action: Chewing, closing jaw
8
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Temporalis
Head, Neck, Face
Origin: Temporal bone
Insertion: Mandible
Action: Close mouth
9
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Sternocleidomastoid
Head, Neck, Face
Origin: Sternum and clavicle
Insertion: Temporal bone
Action: Pull head to the side
10
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Splenius Capitis
Head, Neck, Face
Origin: Cervical and thoracic
Insertion: Temporal bone
Action: Turn head, look left and right
11
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Trapezius
Pectoral Girdle
Origin: Cervical and thoracic vertebrae
Insertion: Clavicle
Action: Rotation, elevation, and depression
12
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Levator scapulae
Pectoral Girdle
Origin: Cervical vertebrae
Insertion: Scapula
Action: Raising and lowering shoulder
13
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Rhomboid Minor
Pectoral Girdle
Origin: Cervical and thoracic vertebrae
Insertion: Scapula
Action: Retracts and rotates scapula
14
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Rhomboid Major
Pectoral Girdle
Origin: Thoracic vertebrae
Insertion: Scapula
Action: Retraction
15
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Serratus Anterior
Pectoral Girdle
Origin: Ribs
Insertion: Scapula
Action: Protraction, rotation, and depression
16
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Pectoralis Minor
Pectoral Girdle
Origin: Ribs
Insertion: Coracoid Process
Action: Moves shoulder forward and downward
17
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Teres Major
Arm
Origin: Scapula
Insertion: Humerus
Action: Extends, adducts, rotate medially
18
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Supraspinatus
Arm
Origin: Scapula
Insertion: Humerus
Action: Abducts the arm
19
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Deltoid
Arm
Origin: Scapula and clavicle
Insertion: Humerus
Action: Abducts, extends, flexes the arm
20
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Subscapularis
Arm
Origin: Scapula
Insertion: Humerus
Action: Rotates arm medially
21
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Infraspinatus
Arm
Origin: Scapula
Insertion: Humerus
Action: Rotates arm laterally
22
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Teres Minor
Arm
Origin: Scapula
Insertion: Humerus
Action: Rotates arm laterally
23
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Biceps Brachii
Forearm
Origin: Scapula
Insertion: Radius
Action: Flexion and supination
24
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Brachialis
Forearm
Origin: Humerus
Insertion: Ulna
Action: Flexion
25
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Brachioradialis
Forearm
Origin: Humerus
Insertion: Radius
Action: Flexion
26
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Triceps Brachii
Forearm
Origin: Scapula & Humerus
Insertion: Ulna
Action: Extension
27
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Flexors
Forearm
Origin: Humerus
Insertion: Carpals, metacarpals, phalanges
Action: Wrist Flexion
28
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Extensors
Forearm
Origin: Humerus
Insertion: Phalange
Action: Extends fingers
29
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Gluteus Maximus
Thigh
Origin: Ilium and sacrum
Insertion: Pelvis and femur
Action: Extend the hip (ex. walking up stairs, rising from sitting)
30
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Gluteus Medius
Thigh
Origin: Ilium
Insertion: Femur
Action: Rotates thigh, abducts the whole thigh
31
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Adductor brevis
Thigh
Origin: Pubis
Insertion: Femur
Action: Flexion and extension of the hip
32
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Adductor longus
Thigh
Origin: Pubis
Insertion: Femur
Action: Flexion of hip joint, adduction of thigh
33
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Adductor magnus
Thigh
Origin: Pubis and Ischium
Insertion: Femur
Action: Thigh flexion, adduction, external rotation
34
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Gracilis
Thigh
Origin: Pubis
Insertion: Tibia
Action: Adduction and flexion of the thigh
35
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Biceps femoris
Leg
Origin: Ischium and Femur
Insertion: Fibula and Tibia
Action: Flexes and rotates leg laterally
36
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Semitendinosus
Leg
Origin: Ischium
Insertion: Tibia
Action: Flexes and rotates leg medially
37
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Semimembranosus
Leg
Origin: Ischium
Insertion: Tibia
Action: Flexes and rotates leg medially
38
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Rectus femoris
Leg
Origin: Ilium
Insertion: Patella
Action: Extends leg at knee
39
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Vastus lateralis
Leg
Origin: Femur
Insertion: Patella
Action: Extends leg at knee
40
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Vastus medialis
Leg
Origin: Femur
Insertion: Patella
Action: Extends leg at knee
41
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Vastus intermedius
Leg
Origin: Femur
Insertion: Patella
Action: Extends leg at knee
42
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Tibialis Anterior
Feet
Origin: Tibia
Insertion: Tarsal & Metacarpal
Action: Dorsiflexion and inversion of foot (running/kicking a ball)
43
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Extensor Digitorum Longus
Feet
Origin: Tibia/Fibula
Insertion: Phalange
Action: Dorsiflexion and eversion of foot
44
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Gastrocnemius
Feet
Origin: Femur
Insertion: Calcaneus
Action: Plantar flexion
45
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Soleus
Feet
Origin: Tibia/Fibula
Insertion: Calcaneus
Action: Plantar flexion
46
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Plantaris
Feet
Origin: Femur
Insertion: Calcaneus
Action: Plantar flexion
47
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Tibialis Posterior
Feet
Origin: Tibia/Fibula
Insertion: Tarsal & Metacarpal
Action: Plantar flexion
48
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External Oblique
Abdominal Wall
Origin: Lower ribs
Insertion: Iliac crest
Action: Tense the ab wall, compress ab contents
49
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Internal Oblique
Abdominal Wall
Origin: Ilium
Insertion: Lower ribs, pubic bone
Action: Tense the ab wall, compress ab contents
50
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Transverse Abdominis
Abdominal Wall
Origin: Coastal cartilage, lumbar vertebrae, iliac crest
Insertion: Pubic bone
Action: Tense the ab wall, compress ab contents
51
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Rectus Abdominis
Abdominal Wall
Origin: Pubic bone, pubic symphisis
Insertion: Sternum, coastal cartilage
Action: Tense the ab wall, compress ab contents, flex vertebral column
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