BIO 312 Lab Exam #4 Flashcards
(105 cards)
0
Q
Is skeletal muscle voluntary?
A
Yes
1
Q
Skeletal muscle location
A
Everywhere
2
Q
Is skeletal muscle striated
A
Yes
3
Q
Skeletal muscle structure
A
Endomysium: thin layer of connective tissue surrounding each individual muscle fiber
Fascicles: muscle cell bundles consisting of muscle fibers gathered side by side
Perimysium: collagenous sheath surrounding each fascicle
Epimysium: fascicles are bound together by an even coarser coat of denser fibrous connective tissue which surrounds the entire muscle
Contains multiple nuclei
4
Q
Cardiac muscle location
A
ONLY in the heart
5
Q
Is cardiac muscle voluntary?
A
Nooooooooo
6
Q
Is cardiac muscle striated?
A
Yessss
7
Q
Other facts about cardiac muscle
A
There are intercalated discs that look like dark stripes across the nucleus
8
Q
Location of smooth muscle
A
Lining of digestive tract
9
Q
Is smooth muscle voluntary?
A
Noooooo
10
Q
Is smooth muscle striated?
A
Noooo
11
Q
Belly
A
Central fleshy portion of a muscle
12
Q
Action
A
Type of movement produced by a muscle’s contraction (flexion/extension, etc…)
13
Q
Origin
A
Stable, non moving end of the muscle (usually proximal end in limb muscles or when it has multiple origins they are called Heads)
14
Q
Insertion
A
Moving end of musscle
15
Q
Tendon
A
Narrow band or cord of dense connective tissue joining muscle to bone or other connective tissue
16
Q
Aponeurosis
A
Broad, thin sheet of connective tissue joining muscle to bone or other connective tissue
17
Q
Retinaculum
A
A ligamentous band which stabilizes the tendons of the extremities
18
Q
Agonist
A
Muscle directly responsible for a given movement
19
Q
Antagonist
A
Produces the opposite action of an agonist
20
Q
Fixator
A
Contracts to prevent movement of a joint to stabilize origin of an agonist
21
Q
Synergist
A
Assists agonist
22
Q
Rectus
A
Parallel to the midline
23
Q
Transverse
A
Perpendicular to the midline
24
Oblique
Diagonal to the midline
25
Masseter with action
Elevates mandible
| Only on models
26
Temporalis with action
Elevates mandible
Only on models
Above ear, where temporal bone is
27
Splenius Capitis with action
Extend neck
| Where your CAP (hat) would sit on the back of the neck
28
Sternocleidomastoid with action
Flex neck
Interior side
Sternum to clavicle to mastoid process of the mandible
29
External intercostals with action
Elevate ribs
30
Internal intercostals with action
Depress ribs
| Point up and enter body
31
Diaphragm with action
Expand thoracic cavity
| Inside of body under rib cage
32
Rectus abdominis with action
Compress abdomen
| Inside layer, six pack ribs
33
External oblique with action
Compress abdomen
| Point down, exit body, top layer
34
Internal oblique with action
Compress abdomen
| Point up, enter body, middle layer
35
Transversus abdominis with action
Compress abdomen
| Inside layer, goes side to side, same layer as rectUS abdominis (each ends with US)
36
Iliocostalis group with action
Extend vertebral column
Closest group to ribs and side of body
On posterior side
37
Longissimus group with action
Extend vertebral column
On posterior side
In between iliocostalis group and spinalis group
38
Spinalis group with action
Extend vertebral column
| On posterior side on spine
39
Pectoralis minor with action
Depress shoulder
On inside
On back
40
Serratus anterior with action
Rotate scapula upward
| On back over scapula, shaped like a triangle
41
Trapezius with action
Elevate scapula
| On back over scapula, shaped like a triangle
42
Levator scapulae with action
Elevate scapula
| Neck to shoulders, above rhomboid minor
43
Rhomboid major with action
Rotate scapula downward
| Big, closer to butt
44
Rhomboid minor with action
Rotate scapula downward
| Above rhomboid major
45
Pectoralis minor with action
Flex arm
| On top, over chest on anterior side
46
Latissimus dorsi with action
Extend arm
| Big fan on back
47
Deltoid with action
```
Adduct arm (bring closer to body???)
Covers shoulders
```
48
Coracobrachialis with action
Flex arm
| By musculocutaneous
49
Subscapularis with action
Medially rotate arm
| Anterior, inside of scapula
50
Supraspinatus with action
```
Abduct arm (bring away from body)
Top of spine of scapula
```
51
Infraspinatus with action
Laterally rotate arm
| Below spine of scapula
52
Teres minor with action
Laterally rotate arm
| Bottom part of scapula
53
Teres major with action
Extend arm
| Bigger, below teres minor
54
Anterior muscles are........
Anterior muscles are FLEXORS
55
Posterior muscles are.............
Posterior muscles are EXTENSORS
56
Biceps brachii with origin, action, and insertion
```
Origin: long head is the cavity region and the short head is the coracoid process of the scapula
Insertion: radial tuberosity
Action: flex forearm
Long=lateral (L&L)
Short= medial
```
57
Brachialis with action, origin, and insertion
Origin: humerus
Insertion: coronoid process of ulna
Action: flex forearm
Under biceps brachii
58
Brachioradialis with origin, insertion, nd action
Origin: distal humerus
Insertion: radial styloid process
Action: flex forearm
More on forearm
59
Pronator Teres with origin, insertion, nd action
Origin: medial epicondyle of humerus and ulnar coronoid process
Insertion: lateral shaft of radius
Action: flex forearm
Short, inside of elbow to outside of hand
60
Triceps brachii with origin, insertion, and action
Origin of long head: scapula
Origin of lateral and medial heads: posterior shaft of humerus
Insertion: olecranon process of ulna
Action: extend forearm
Long head: on top of posterior of arm, in between two other heads
Lateral head is on the outside
Medial head is on the inside closest to chest
61
1. Flexor Carpi radialis with action, origin, and insertion
Origin: medial epicondyle of humerus
Insertion: metacarpals II and III
Action: flex wrist
Medial, goes to thumb
62
Palmaris longus with origin, insertion, and action
Origin: medial epicondyle of humerus
Insertion: palmar aponeurosis
Action: flex wrist
Skinny, in between 1&2, muscle and tendon are flipped
63
2. Flexor Carpi ulnaris with origin, insertion, and action
Origin: medial epicondyle of humerus
Insertion: pisiform, hamate, and metacarpal V
Action: flex wrist
Lateral, goes to pinky
64
Flexor digitorum superficialis with origin, insertion, and action
Origin: medial epicondyle of humerus
Insertion: middle phalanges II-V
Action: flex wrist
In between 1&2
65
Flexor digitorum profundus with origin, insertion, and action
Origin: coronoid process and shaft of ulna
Insertion: distal phalanges II-V
Action: flex wrist
Under flexor digitorum superficialis
66
Extensor Carpi radialis longus with origin, insertion, and action
Origin: lateral epicondyle of humerus
Insertion: metacarpal II
Action: extends wrist
By brachioradialis
67
Extensor Carpi radially brevis with origin, insertion, and action
Origin: lateral epicondyle of the humerus
Insertion: metacarpal III
Action: extends wrist
Right underneath extensor Carpi radialis longus
68
Extensor digitorum ith origin, insertion, and action
Origin: lateral epicondyle of humerus
Insertion: middle and distal phalanges II-V
Action: extends wrist
Goes to fingers
69
Extensor Carpi ulnaris with origin, insertion, and action
Origin: lateral epicondyle of humerus
Insertion: metacarpal V
Action: extends wrist
On lateral side
70
Pollicis group with origin, insertion, and action
Origin: shaft of radius and ulna
Insertion: metacarpal I
Action: extends phalange I
On posterior of hand, goes over thumb
71
Eyes up means.....
Eyes up means EXTENSOR
72
Face down means........
Face down means FLEXOR
73
Tensor fasciae latae with action
Flex thigh
| Sheet in lateral thigh
74
Sartorius with action
Flex thigh
Seat belt
Goes from lateral to medial
75
Iliopsoas with action
Flex thigh
Lateral of femoral triangle
In the middle of the upper thigh
76
Adductor brevis with action
Flex thigh
| Under pectineus, medial thigh
77
Adductor longus with action
Flex thigh
| Goes from groin to the inner thigh, medial thigh
78
Adductor Magnus with action
Adduct thigh
Medial thigh, on the side, below adductor Magnus
Biggest and thickest of the adductor Magnus
79
Pectineus with action
Adduct thigh
| By your pecker, medial to femoral triangle
80
Gracilis with action
Adduct thigh
| Hangs in solution, "greasy", by inner thigh
81
Gluteus Maximus with action
Extend thigh
| Top of butt
82
Gluteus medius with action
Abduct thigh
| Under gluteus Maximus
83
Gluteus minimus with action
Abduct thigh
| Under gluteus medius
84
Piriformis with action
Abduct thigh
| Middle of butt, shaped like a pyramid
85
Quadratus femoris with action
Laterally rotate thigh
Under all of the gluts, shaped like a rectangle (4 sides=quad)
Middle of the back of legs, under sciatic nerve
86
RectUS femoris with action
Extend leg
| Top of thigh
87
Vastus lateralis with action
Extend leg
| Lateral, right above knee
88
Vastus medialis with action
Extend leg
| Medial, right above knee
89
Vastus intermedius with action
Extend leg
| Under rectUS femoris
90
Biceps femoris with action
Flex leg
Most lateral of posterior thigh
Long: medial
Short: lateral
91
Semitendinosus with action
Flex leg
Ends in a tendon
In between biceps femoris and semimembranosus
92
Semimembranosus with action
Flex leg
Most medial of posterior thigh
Next to semitendinosus
93
Tibialis anterior with action
Dorsiflex foot
| Before malleolus
94
Extensor hallucis longus with action
Dorsiflex foot
| Next to tibialis anterior, goes to big toe
95
Extensor digitorum longus with action
Dorsiflex foot
| Goes to rest of toes
96
Fibularis (peroneus) longus with action
Evert foot
| On top, behind malleolus
97
Fibularis (peroneus) brevis with action
Evert foot
| Under fibularis longus, behind malleolus
98
Fibularis (peroneus) tertius with action
Evert foot
| On side and in front of malleolus, next to extensor digitorum longus
99
Tibialis posterior with action
Invert foot
| Before malleolus
100
Flexor digitorum longus with action
Invert foot
| Before malleolus
101
Flexor hallucis longus with action
Invert foot
| Deepest one, under tibial nerve
102
Gastrocnemius with action
Flex leg
| Top of calf, has two heads
103
Soleus with action
Plantar flex foot
| Under gastrocnemius, has lots of SHINY tissue
104
Plantaris with action
Flex leg
| Small, right on back of knee, in between two heads of gastrocnemius and has a long tendon string attached to it
