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Anatomy > Chapter 8: Human Muscular System pt2 > Flashcards

Chapter 8: Human Muscular System pt2 Flashcards

(46 cards)

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1
Q

What are the muscles of the rotator cuff?

A
  • Subscapularis
  • Infraspinatus
  • Teres minor
  • Supraspinatus
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2
Q

What is this muscle?

A

Subscapularis

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3
Q

What is this muscle?

A

Infraspinatus
Origin: Infraspinous fossa of scapula
Insertion: Greater tubercle of humerus
Action: Rotates arm laterally

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4
Q

What is this muscle?

A

Teres minor
Origin: Lateral border of scapula
Insertion: Greater tubercle of humerus
Action: Laterally rotates arm (synergist with infraspinatus)

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5
Q

What is this muscle?

A

Supraspinatus
Origin: Supraspinous Fossa of scapula
Insertion: Greater tubercle of humerus
Action: Abducts arm

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6
Q

What muscles make up the shoulder?

A
  • Deltoid
  • Biceps Brachii
    • Long head
    • Short head
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7
Q

What is this muscle? (second line down)

A

Deltoid
Origin: Lateral third of clavicle, Acromion, and subscapular spine
Insertion: Deltoid tuberosity of humerus
Action: Aducts arm

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8
Q

What is this muscle?

A

Biceps Brachii
- Long head origin : Supraglenoid tubercle
- Short head origin: Coracoid process
Insertion: Radial tuberosity
Action: Flexes and supinates forearm

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9
Q

What muscles make up the upper arm?

A
  • Brachialis
  • Biceps brachii
  • Triceps brachii
    • Long head
    • Medial head
    • Lateral head
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10
Q

What is this muscle? (bottom label)

A

Brachialis
Action: Flexes forearm

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11
Q

What is this muscle?

A

Triceps Brachii
- Lateral head origin: Posterior shaft of humerus
- Long head origin: Infraglenoid tubercle of scapula
- Medial head: Posterior shaft of humerus
Insertion: Olecranon of ulna
Action: Extends forearm

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12
Q

What muscles are involved in the forearm?

A
  • Brachioradialis
  • Extensor digitorum
  • Extensor carpi ulnaris
  • Flexor carpi ulnaris
  • Palmaris longus
  • Flexor carpi radialis
  • Pronator teres
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13
Q

What is this muscle?

A

Brachioradialis
Action: Synergist in forearm flexion

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14
Q

What is this muscle?

A

Extensor digitorum
Action: Extends fingers

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15
Q

What is this muscle?

A

Extensor carpi ulnaris

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16
Q

What is this muscle?

A

Flexor carpi ulnaris
Action: flexes wrist

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17
Q

What is this muscle?

A

Palmaris longus

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18
Q

What is this muscle?

A

Flexor carpi radialis

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19
Q

What is this muscle?

Study These Flashcards
A

Pronator teres

20
Q

What muscles(and structure) make up the Anterior hip and thigh muscles?

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A
  • Iliopsoas
  • Pectineus
  • Adductor longus
  • Gracilis
  • Sartorius
  • Tensor fasciae latae
  • Iliotibial band
  • Quadriceps femoris group
    • Rectus femoris
    • Vastus lateralis
    • Vastus medialis
    • Vastus intermedius
21
Q

What is this muscle?

Study These Flashcards
A

Iliopsoas
- Iliacus origin: Iliac fossa
- Psoas major origin: Lumbar vertebrae and T12
Insertion: Lesser Trochanter of femur
Action: Thigh flexion

22
Q

What is this muscle?

23
Q

What is this muscle?

Study These Flashcards
A

Adductor longus

24
Q

What is this muscle?

25
What is this muscle?
Sartorius Origin: Anterior superior iliac spine Insertion: Medial aspect of proximal tibia
26
What is this muscle?
Tensor fasciae latae Origin: Anterior aspect of iliac crest and anterior superior iliac spine Insertion: Iliotibial tract
27
What is this structure?
Iliotibial tract
28
What is this muscle?
Quadriceps femoris - Action: Extends the knee - Rectus femoris - Origin: Anterior inferior iliac spine - Insertion: Patella and tibial tuberosity via patellar ligament - Vastus lateralis - Origin: Greater trochanter of femur - Insertion: Patella and tibial tuberosity via patellar ligament - Vastus medialis - Origin: Linea aspera of femur - Insertion: Patella and tibial tuberosity via patellar ligament - Vastus intermedius - Insertion:patella and tibial tuberosity via patellar ligament
29
What is this muscle?
Rectus Femoris
30
What is this muscle? (first on left)
Vastus lateralis
31
What is this muscle? (third down on the right)
Vastus medialis
32
What is this muscle? (second on the left)
Vastus intermedius
33
What are the components of the posterior hip and thigh muscles?
- Gluteus medius - Gluteus maximus - Adductor magnus - Hamstring group - Biceps femoris - Semitendinosus - Semimembranosus
34
What is this muscle?
Gluteus medius Origin: Ilium Insertion: Greater trochanter of femur Action: Abducts the thigh
35
What is this muscle?
Gluteus maximus Origin: Ilium, sacrum, coccyx Insertion: Gluteal tuberosity of femur Action: Extends the thigh (hip)
36
What is this muscle?
Adductor magnus
37
What is this muscle group?
Hamstring group Origin: Ischial tuberosity Action: Flexes knee - Biceps femoris Insertion: Lateral condyle of tibia - Semitendinosus Insertion: Medial aspect of tibia - Semimembranosus insertion: Medial condyle of tibia
38
What is this muscle? (first two points)
Biceps Femoris Origin: Ischial tuberosity Insertion: Lateral condyle of tibia Action: Flexess knee
39
What is this muscle?
Semitendinosus Origin: Ischial tuberosity Insertion: Medial aspect of tibia Action: Flexes knee
40
What is this muscle? (last point)
Semimembranosus Origin: Ischial tuberosity Insertion: Medial condyle of tibia Action: Flexes knee
41
What muscles make up the distal lower limb muscles?
- Gastrocnemius - Soleus - Fibularis Longus - Extensor digitorum longus - Tibialis anterior
42
What is this muscle?
Gastrocnemius - Lateral head origin: Lateral condyle of femur - Medial head origin: Medial condyle of femur Insertion: Calcaneus via calcaneal tendon Action: Plantar flexion
43
What is this muscle?
Soleus
44
What is this muscle?
Fibularis longus
45
What is this muscle?
Extensor digitorum longus
46
What is this muscle?
Tibialis anterior Origin: Lateral condyle and tibial shaft Insertion: Medial cuniform and first metatarsal bone Action: Dorsiflexion

Anatomy (30 decks)

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