Selected Skeletal Muscles Flashcards
(52 cards)
1
Q
A
2
Q
B, E and area between
A
epicranius
- made up of frontal and occipital bellies, plus cranial aponeurosis
3
Q
part E
A
frontalis belly of epicranium
4
Q
part B
A
occipitalis belly
5
Q
part A
A
temporalis
- closes jaw, synergist to masseter
6
Q
part F
A
orbicularis oculi
7
Q
part G
A
zygomaticus major
raise corners of mouth up
8
Q
part C
A
masseter
9
Q
A
sternocleidomastoid
- flexion and lateral rotation of head
10
Q
A
trapezius
- shrugs shoulder, hyperextends head
11
Q
A
erector spinae
- prime mover of back extension
12
Q
A
rhomboids
- note rhombus shape
- deep to trapezius
- stabilize and retract scapula
13
Q
A
latissimus dorsi
- prime mover of arm extension, adduction and medial shoulder rotation
14
Q
A
diaphragm
- prime mover of inspiration
15
Q
A
external intercostals
- synergist of diaphragm, pull ribs forward toward each other, elevating ribcage
16
Q
A
internal intercostals
17
Q
A
rectus abdominis
- flex/rotate lumbar region
18
Q
A
external obliques
- flexes vertebral column and abdominal wall
19
Q
A
internal oblique
- same action as externals, just deeper
20
Q
A
transversus abdominis
- compresses abdominal contents
- deepest of abdominal muscles
21
Q
A
deltoid
- triangular, like greek Delta
- prime mover for arm abduction
22
Q
A
pectoralis major
- prime mover of arm flexion, medial rotation
23
Q
A
serratus anterior
- “boxer’s muscle” important in pushing/punching
24
Q
A
biceps brachii
- flexes elbow joint and supinates forearm
25
brachialis
- flexes forearm
26
brachioradialis
- flexes forearm
- lateral in anatomical position
27
triceps brachii
- extends forearm
28
gluteus medius
- abducts, medially rotates thigh
29
gluteus maximus
- extends and laterally rotates thigh
30
iliacus
- prime mover in thigh flexion, as when bowing
31
psoas major
- flexes trunk on thigh
32
pectineus
- adducts, flexes and medially rotates thigh
33
adductor longus
- adducts, flexes, medially rotates thigh
34
rectus femoris
- etends knee, flexes thigh at hip
- part of quadriceps femoris
35
vastus lateralis
- lateral part of quadriceps femoris
- extends knee
36
vastus medialis
- medial part of quadriceps
- extends knee
37
vastus intermedius
- deep to rectus femoris, intermediate part of quadriceps
- extends knee
38
tensor fasciae latae
- steadies trunk on thigh by making IT tract taut
- flexes and abducts thigh
39
sartorius
- flexes, abducts and laterally rotates thigh
- flexes knee
40
gracilis
- adducts thigh
41
adductor magnus
- adducts and medially rotates and flexes thigh
42
biceps femoris
- extends thigh and flexes knee
- part of hamstring
43
semitendinosus
- medial to biceps femoris, part of hamstring
- extends thigh, flexes knee
44
semimembranosus
- medial to semitendinosus, larger and more membranous
- extends thigh, flexes knee
- part of hamstring
45
tibialis anterior
- prime mover of dorsiflexion, inverts foot
46
gastrocnemius
- "calf" muscle
- flexes knee, plantar flexes foot
47
soleus
- deep to gastrocnemius
- "soleus" = fish, because of shape
- plantar flexes foot
48
galea aponeurotica
- aponeuroses of head
- part of epicranium between the occipitalis and frontalis bellies
49
line down center of abdomen
linea alba
- "white line"
50
red lateral area
iliotibial tract
51
calcaneal tendon
- "achilles" tendon
52
