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BIOL 3100 > Unit 3: Muscle Anatomy > Flashcards

Unit 3: Muscle Anatomy Flashcards

(55 cards)

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1
Q

Sternocleidomastoid OIM

A

O: mandibrum and clavicle
I : mastoid process
M: lateral flexion and rotation

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2
Q

Pectoralis major OIM

A

O: occipital bone, vertebrae
I: clavicle, scapula spine,
M: elevation, lateral flexion, extension, repression, rotation, retraction, upward rotation

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3
Q

Latissimus dorsi OIM

A

O: iliac crest, ribs, scapula
I: humerus
M: extension, abduction, internal rotation

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4
Q

Splenius Cervicis OIM

A

O: vertebrae spinous process
I: transverse process
M: rotation of head, extension of neck

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5
Q

Subscapularis OIM

A

O: subscapular fossa
I: lesser tubercle of humerus
M: internal rotation

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6
Q

Deltoid OIM

A

O: clavicle, acromion, spine of scapula
I: deltoid tuberocity of humerus
M: abduction, adduction, internal/external rotation

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7
Q

Biceps brachii OIM

A

O: coracoid process of scapula, humerus (supraglenoid tubercle)
I: radial tuberocity
M: ab/adduction, internal rotation, supination, flexion

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8
Q

Triceps brachii OIM

A

O: scapula, humerus
I: olecranon, ulna
M: extension, adduction

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9
Q

Brachialis OIM

A

O: humerus
I; coronoid process of ulna
M: flexion, pronation, supination

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10
Q

Brachioradialis OMI

A

O: supercondylar ridge of humerus (lateral)
I: radial styloid process
M: flexion, supination, pronation

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11
Q

Pronator terres OIM

A

O: humerus, coronoid process of ulna
I: radius
M: pronation

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12
Q

Pronator quadratus OIM

A

O: ulna
M: radius
I: pronation, supination

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13
Q

Illiocostal cervic OIM

A

O: angle of ribs 3-5
I: transverse process of C4-C6
M: flexion of spine

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14
Q

Illiocostal thoracic OIM

A

O: ribs 7-12
I: ribs 1-6, transverse process of C7
M: flexion of spine

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15
Q

Illiocostal lumborum OIM

A

O: sacrum, iliac crest
I: ribs 5-12, transverse process of L1-L4
M: flexion of spine

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16
Q

Supinator OIM

A

O: humerus, ulna
I: radius
M: supination

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17
Q

Extensor pollicis brevis OIM

A

O: radius
I: base of proximal phalanx of thumb
M: thumb extension

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18
Q

Extensor pollicics longus OIM

A

O: ulna
I: base of distal phalanx of thumb
M: thumb extension

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19
Q

Recuts abdominals OIM

A

O: pubic symphysis, pubic crest
I: xyphoid process, ribs 5-7
M: trunk flexion, compress abdomen for expiration

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20
Q

Gluteus maximus OIM

A

O: sacrum, coccyx, ilium
I: gluteal tuberosity
M: ab/adduction, internal/external rotation

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21
Q

Iliopsoas OIM

A

O: T12, L1-L5
I: lesser trochanter of femur
M: flexion, extension, rotation of thigh, trunk flexion

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22
Q

satorius OIM

A

O: anterior superior iliac spine
I: proximal tibial medial condyle
M: @ hip - flexion, abduction, external rotation. @ knee - flexion, internal rotation

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23
Q

Bicep femoris OIM

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A

O: I hail tuberosity, femur, supracondylar line
I; fibula head
M: @ hip - extension, external rotation @ knee - flexion, external rotation, stabilize pelvis

24
Q

Semitendinosus OIM

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A

O; ischial tuberosity
I: proximal end of tibia medial condyle
M: @ hip - extension, internal rotation, stabilize pelvis @ knee - flexion, internal rotation

25
Semimembranosus OIM
O: ischial tuberosity I: medial condyle of tibia M: @ hip - extension, internal rotation, stabilize pelvis @ knee - flexion, internal rotation
26
Recuts femoris OIM
O: iliac spine, supraacetauluar groove I: tibial tuberosity, patella M: @ hip - flexion @ knee - extension
27
Vastus lateralis OIM
O: intertrochanteric line, greater trochanter, gluteal tuberosity, linea a spear of femur I: tibial tuberosity, patella M: knee extension
28
Vastus medialis OIM
O: intertrichanter line, femur I: tibial tuberosity, patella M: knee extension
29
Tibialis anterior OIM
O: tibia I: medial cuneiform, base of metatarsal 1 M: dorsiflexion, inversion
30
Gastrocnemius OIM
O: lateral femoral condyle, medial femoral condyle, popliteal I: calcaneus M: plantar flexion, leg flexion
31
Soleus OIM
O: Soledad line, tibia, fibula head I: calcaneus M: plantar flexion
32
Extensor Halluces longus OIM
O: fibula I: base of distal phalanx 1 M: extends hallux, dorsiflexion, inversion
33
General function of all muscle
The muscular system produces forces movement, supports the body, changes body posture, stabilizes joints, produces body heat, a provision of form to the body
34
Main function of skeletal muscle
Move bones and other structures
35
Main function of cardiac muscle
Forms most of the walls of heart and adjacent muscles
36
Main function of smooth muscle
Form part of walls of most vessels and hollow organs, move substances though viscera such as intestine, and control movement through blood vessels
37
Structural and functional differences between skeletal and cardiac muscle
Skeletal is parallel, voluntary, multinucleated Cardiac is branched, involuntary, one nucleus
38
Structural and functional differences between skeletal and smooth muscle
Skeletal is striated, voluntary, multinucleated Smooth is no striated, involuntary, one nucleus
39
Structural and functional differences between cardiac and smooth muscle
Cardiac striated, smooth is non-striated
40
Cellular and extra cellular components of cardiac muscle fibres
Extracellular: complex mesh work of fibres comprised of matrix proteins in which cardiac myocytes, fibroblasts, leukocytes and cardiac vascular cells reside Cellular, fibroblasts, smooth muscle cells, cardiomyocytes, chains of myofibrils
41
Cellular and extracellular components of skeletal muscle
Extracellular: collagens, glycoproteins, proteoglycans, elastins Cellular: sarcolemna, sarcoplasm, nuclei, mitochondria, sarcoplasmic reticulum, transverse tubules, myofilaments, myofibrils
42
Cellular and extracellular components of smooth muscle
Extracellular: proteoglycans, collagen, elastin, proteins Cellular: actin, myosin, cytoskeletal filaments
43
3 types of muscle fibres
Slow oxidative (dark) Fast oxidative (medium) Fast glycolic (light)
44
Myofilament definition
Muscle filaments that case contraction of muscle (2 types: thick and thin)
45
Sarcomere definition
The functional unit of a skeletal muscle cell - made up of myosin and actin filaments
46
Myofibrils definition
bundle of interconnected protein filaments of striated muscles
47
Muscle fibre definition
Individual skeletal muscle cell, aka myofiber
48
Fascicle definition
The functional units of skeletal muscle tissue; group of fibres
49
Endomysium definition
Surrounds individual muscle fibres
50
Perimysium definition
Slightly thicker layer of connective tissue consisting mostly of type I and type III collagen and surrounds a group of fibres (fascicle)
51
Epimysium definition
Surrounds entire collection of fascicles making up an individual muscle (made up of mainly type I collagen, contains neurovascular supply to muscle)
52
Periosteum definition
Fibrous tissue membrane that covers external surfaces of all bones
53
Tendon definition
Muscle to bone; dense connective tissue structures
54
Origin definition
The bone to which the muscle is anchored: will remain relatively still when muscle contracts
55
Insertion definition
The bone that will move the most when muscle contracts

BIOL 3100 (6 decks)

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