Chapter 16 Flashcards
1
Q
Trapezius
A
-shrugs the shoulder
2
Q
Levator Scapulae
A
-elevates the scapula
3
Q
Rhomboid Major and Minor
A
-adduct and elevate the scapula
4
Q
Serratus Anterior
A
- holds the scapula against the thorax
- abducts
5
Q
Pectoralis Major
A
- axial muscle
- flexes the arm
- adducts the arm across the chest
6
Q
Pectoralis Minor
A
- stabilizes the scapula
- raises the ribs during forced inhalation
7
Q
Latissimus Dorsi
A
- axial muscle
- extends the arm
- adducts the arm across the back
8
Q
Deltoid
A
- abducts the arm
- flexes the arm
- extends the arm
9
Q
Coracobrachialis
A
- adducts the arm
- medial rotation
10
Q
Supraspinatus
A
-abducts the arm
11
Q
Teres Minor
A
-lateral rotation
12
Q
Teres Major
A
- extends the arm
- adducts
- medial rotation
13
Q
Infraspinatus
A
-lateral rotation
14
Q
Subscapularis
A
-medial rotation
15
Q
What muscles in the arm are considered axial?
A
- pectoralis major
- latissimus dorsi
16
Q
What muscles make up the rotator cuff?
A
- SITS
- supraspinatus
- infraspinatus
- teres minor
- subscapularis
17
Q
Biceps Brachii
A
-flexes the forearm only when the forearm is supinated
18
Q
Brachialis
A
-flexes the forearm
19
Q
Brachioradialis
A
-flexes the forearm
20
Q
Triceps Brachii
A
-extends the forearm
21
Q
Anconeus
A
- extends the forearm
- barely does any work
22
Q
Pronator Teres
A
-pronates the forearm
23
Q
Pronator Quadratus
A
-pronates the forearm
24
Q
Supinator
A
-supinates the forearm
25
What is an intrinsic muscle? Extrinsic?
- intrinsic: located in the hand
| - extrinsic: located in the forearm; divided into flexors and extensors
26
What is a retinacula?
-strong fascial bands
27
What is the carpal tunnel?
-the tunnel formed by carpal bones and flexor retinaculum that many flexors pass through
28
What is carpal tunnel syndrome? What nerve is compressed and where is the pain/tingling felt?
- compression of the median nerve as it runs through the carpal tunnel
- lateral side of the hand (thumb)
29
What is a thenar muscle? What is the thenar eminence?
- intrinsic muscle of the hand that produces weak but precise movements
- thenar muscles except for the adductor pollicis
30
What is a hypothenar muscle? What is hypothenar eminence?
- intrinsic muscle of the hand that produces weak but precise movements
- hypothenar muscles that act of the little finger
31
What are the thenar muscles?
- abductor pollicis brevis
- flexor pollicis brevis
- opponens pollicis
- adductor pollicis
32
What are the hypothenar muscles?
- opponens digiti minimi
- abductor digiti minimi
- flexor digiti minimi
33
What are the intermediate muscles?
- palmar interossei (adduct 2,4,5 fingers)
- dorsal interossei (abduct 2,3,4 fingers)
- lumbricals (flex the proximal phalange, extend middle distal phalanges)
34
Iliopsoas
- composed of iliacus, psoas major, and psoas minor
| - flexes thigh and trunk
35
Rectus Femoris
- flexes thigh
| - extends leg
36
Sartorius
- weak flexion
- lateral rotation
- flexion of the knee
- criss-cross applesause
37
Gluteus Maximus
-extends the thigh
38
Gluteus Medius
- abducts the thigh
| - lateral rotation
39
Gluteus Minimus
- abducts the thigh
| - medial rotation
40
Tensor Fascia Latae
- abducts the thigh
| - tightens the iliotibial band
41
Gracilis
-adducts the thigh
42
Vastus Lateralis
-extends the leg
43
Vastus Medialis
-extends the leg
44
Vastus Intermedius
-extends the leg
45
Biceps femoris
-flexes the leg
46
Semitendinosus
-flexes the leg
47
Semimembranosis
-flexes the leg
48
Tibialis Anterior
- dorsiflexes
| - inverts
49
Extensor Hallucis Longus
-dorsiflexes the big toe
50
Extensor Digitorum Longus
-dorsiflexes the toes
51
Fibularis Tertius
- dorsiflexes
| - everts
52
Fibularis Longus
- dorsiflexes the foot
| - everts
53
Fibularis Brevis
- dorsiflexes the foot
| - everts
54
Gastrocnemius
-plantar flexes the foot
55
Soleus
-plantar flexes the foot
56
Plantaris
-does not do much
57
Tibialis Posterior
- inversion
| - plantar flexion
58
Flexor Hallucis Longus
-plantar flexes the big toe
59
Flexor Digitorum Longus
-plantar flexes the toes
60
What is the calcaneal tendon?
-a large tendon made up of the gastrocnemius and the soleus
61
What are the intrinsic plantar muscles of the foot?
- lumbricals
- Flexor Digiti Minimi Brevis
- Flexor Hallucis Brevis
- Flexor Digitorum Brevis
- Abductor Digiti Minimi
- Abductor Hallucis
62
What are the intrinsic dorsal muscles of the foot?
- Extensor Digitorum Brevis
| - Extensor Hallucis Brevis
