Anatomy And Physiology: Muscle

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Created Mar 3, 2013
by
Hobnocker

 

 
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1
Skeletal muscle:
Identify and give examples of where it is found
 
Multiple nuclei, striated, voluntary and involuntary (reflexes) control.
Location: attached...
2
Smooth muscle:
Identify and give examples of where it is found
 
Spindle shaped, single nucleus that is centrally located.
Location: walls of hollow...
3
Cardiac muscle:
Identify and give examples of where it is found
 
Striated, single centrally located nucleus.
Function: pumps blood
Location: Heart
4
Orbicularis Oculi
 
closes eye
5
Orbicularis Oris
 
Compresses and purses lips
6
Zygomaticus Major
 
Retracts and elevates corners of the mouth
7
Platysma
 
Tenses skin of neck, depresses mandible
8
Frontalis
 
Raises eyebrows, wrinkles scalp
9
Occipitalis
 
Tenses and retracts scalp
10
Buccinator
 
Compresses cheeks
11
Masseter
 
Elevates mandible
12
Temporalis
 
Elevates mandible
13
Medial Pterygoid
 
Moves mandible side to side
14
Lateral Pterygoid
 
Moves mandible side to side
15
Genioglossus
 
Depresses tongue
16
Hyoglossus
 
Depresses tongue
17
Styloglossus
 
Retracts tongue
18
Sternocleidomastoid
 
Both together: flexion of neck, one: laterally bends neck to opposite side
Origin: Sternum...
19
Splenius Capitis
 
Both together: extension of the neck, one: rotate and laterally flex neck to same side
20
Erector Spinae Group: Iliocostalis, Longissimus, and Spinalis
 
Extend Vertebral Column
21
Quadratus Lumborum
 
Depress ribs or laterally flex spine
22
Psoas Major
 
Hip flexion
O: vertebra T12-L5
I: lesser trochanter femur
23
Iliacus
 
Hip flexion
O: Iliac fossa of ilium
I: Lesser trochanter femur
24
Diaphragm
 
Expands thoracic cavity and compresses abdominopelvic cavity
25
Rectus Abdominis
 
Flexes trunk, compress abdomen
26
External Oblique
 
Flex trunk, rotates trunk to opposite side, compresses abdomen
27
Transverse Abdominis
 
Stabilizes spine, compress abdomen
28
Internal Oblique
 
Flex trunk, rotates trunk to same side, compresses abdomen
29
Levator Scapulae
 
Elevate scapula
O: Cervical vertebra
I: Scapula
30
Pectoralis Minor
 
Stabilizes scapula by drawing it inferior
31
Rhomboid Major and Rhomboid Minor
 
Adducts scapula.
O: vertebra (C7-T4)
I: scapula
32
Serratus Anterior
 
Protracts scapula
33
Trapezius
 
Upper fibers elevate scapula, middle fibers retract scapula, lower fibers depress scapula
34
Deltoid
 
Abduction of shoulder (anterior fibers-flexion, posterior fibers- extension)
O: Scapula...
35
Coracobrachialis
 
Adduction and flexion of shoulder
O: Coracoid process of scapula
I: Humerus
36
Pectoralis major
 
adduction, flexion, medial rotation shoulder
O: ribs, sternum, and clavicle
I:...
37
Latissimus dorsi
 
Adduction, extension, medial rotation shoulder
O: Spinal column and ilium
I:...
38
Supraspinatus
 
Abduction shoulder.
O: supraspinous fossa
I: humerus
39
Infraspinatus
 
Lateral rotation shoulder
O: infraspinous fossa
I: humerus
40
Teres Minor
 
Lateral rotation shoulder
O: scapula
I: Humerus
41
Subscapularis
 
Medial rotation shoulder
O: subscapular fossa
I: humerus
42
Teres major
 
Adduction, extension, medial rotation shoulder
O: scapula
I: humerus
Not...
43
Biceps brachii
 
Flexion and supination elbow, long head flexion shoulder also
Long head
O: scapula
44
Brachialis
 
Flexion elbow
O: humerus
I: ulna
45
Brachioradialis
 
Flexion elbow
46
Triceps Brachii
 
Extension elbow, long head extension shoulder also
Long head
O: scapula
Medial...
47
Pronator Teres
 
Pronation forearm
48
Flexor Carpi Radialis
 
Flexion wrist
49
Palmaris Longus
 
Flexion wrist
50
Flexor Carpi Ulnaris
 
Flexion wrist
51
Flexor Digitorum Superficialis
 
Flexion wrist and proximal interphalangeal joints
52
Flexor Digitorum Profundus
 
Flexion wrist and distal interphalangeal joints
53
Extensor Carpi Radialis Longus
 
Extension wrist
54
Extensor Carpi Radialis Brevis
 
Extension wrist
55
Extensor Digitorum
 
Extension wrist and fingers
56
Extensor Digiti minimi
 
Extension finger 5
57
Extensor Carpi Ulnaris
 
Extension wrist
58
Abductor Pollicis Longus
 
Abduction thumb
59
Extensor Pollicis Brevis
 
Extension thumb
60
Extensor Pollicis Longus
 
Extension thumb
61
Supinator
 
Supinate forearm
62
Gluteus Maximus
 
Extension, lateral rotation hip
O: Iliac crest and sacrum
I: Iliotibial tract
63
Gluteus Medius
 
Abduction, medial rotation hip
O: Ilium
I: Greater Trochanter
64
Gluteus Minimus
 
Abduction, medial rotation hip
65
Piriformis
 
Lateral rotation hip
66
Tensor Fasciae Latae
 
Flexion, medial rotation hip, stabilizes hip and knee
O: Ilium
I: Iliotibial...
67
Iliotibial tract
 
Not a muscle
68
Adductor Magnus
 
Adduction hip
69
Adductor Longus
 
Adduction hip
70
Gracilis
 
Adduction hip, flexion knee
O: pubis
I: tibia
71
Biceps Femoris
 
Flexion knee, extension hip
Long head-
O: Ischial tuberosity
I: lateral...
72
Semimembranosus
 
Flexion knee, extension hip
O: Ishial tuberosity
I: medial tibia
73
Semitendinosis
 
Flexion knee, extension hip
O: Ishial Tuberosity
I: Tibia
74
Sartorius
 
Flexion knee, flexion hip
O: Anterior superior iliac spine
I: medial tibia
75
Rectus Femoris
 
Extension knee, flexion hip
O: Iliac spine
I: Patella
76
Vastus Intermeius
Vastus Medialis
Vastus Lateralis
 
Extension Knee
O: Femur
I: Patella
77
Gastrocnemius
 
plantarflexion ankle
O: condyles of femur
I: Achilles tendon
78
Soleus
 
plantarflexion ankle
O: Tibia and fibula
I: Achilles tendon
79
Achilles tendon
 
Not a muscle
80
Flexor digitorum longus
 
Flex toes 2-5
81
Tibialis posterior
 
Plantarflexion ankle
82
Flexor hallucis longus
 
Flexion great toe (Hallux)
83
Popliteus
 
flexion at knee
84
Fibularis Longus
Fibularis Brevis
 
Eversion ankle/foot
85
Tibialis anterior
 
dorsiflexion ankle
O: tibia
I: 1st metatarsal and cuneiform
86
Extensor Digitorum Longus
 
extension toes 2-5
87
Extensor Hallucis Longus
 
Extension great toe (hallux)


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