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Anatomy > Chapter 8: Human Muscular System pt2 > Flashcards

Chapter 8: Human Muscular System pt2 Flashcards

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?

A

Pronator teres

20
Q

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

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?

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?

A

Pectineus

23
Q

What is this muscle?

A

Adductor longus

24
Q

What is this muscle?

A

Gracilis

25
Q

What is this muscle?

A

Sartorius
Origin: Anterior superior iliac spine
Insertion: Medial aspect of proximal tibia

26
Q

What is this muscle?

A

Tensor fasciae latae
Origin: Anterior aspect of iliac crest and anterior superior iliac spine
Insertion: Iliotibial tract

27
Q

What is this structure?

A

Iliotibial tract

28
Q

What is this muscle?

A

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
Q

What is this muscle?

A

Rectus Femoris

30
Q

What is this muscle? (first on left)

A

Vastus lateralis

31
Q

What is this muscle? (third down on the right)

A

Vastus medialis

32
Q

What is this muscle? (second on the left)

A

Vastus intermedius

33
Q

What are the components of the posterior hip and thigh muscles?

A
  • Gluteus medius
  • Gluteus maximus
  • Adductor magnus
  • Hamstring group
    • Biceps femoris
    • Semitendinosus
    • Semimembranosus
34
Q

What is this muscle?

A

Gluteus medius
Origin: Ilium
Insertion: Greater trochanter of femur
Action: Abducts the thigh

35
Q

What is this muscle?

A

Gluteus maximus
Origin: Ilium, sacrum, coccyx
Insertion: Gluteal tuberosity of femur
Action: Extends the thigh (hip)

36
Q

What is this muscle?

A

Adductor magnus

37
Q

What is this muscle group?

A

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
Q

What is this muscle? (first two points)

A

Biceps Femoris
Origin: Ischial tuberosity
Insertion: Lateral condyle of tibia
Action: Flexess knee

39
Q

What is this muscle?

A

Semitendinosus
Origin: Ischial tuberosity
Insertion: Medial aspect of tibia
Action: Flexes knee

40
Q

What is this muscle? (last point)

A

Semimembranosus
Origin: Ischial tuberosity
Insertion: Medial condyle of tibia
Action: Flexes knee

41
Q

What muscles make up the distal lower limb muscles?

A
  • Gastrocnemius
  • Soleus
  • Fibularis Longus
  • Extensor digitorum longus
  • Tibialis anterior
42
Q

What is this muscle?

A

Gastrocnemius
- Lateral head origin: Lateral condyle of femur
- Medial head origin: Medial condyle of femur
Insertion: Calcaneus via calcaneal tendon
Action: Plantar flexion

43
Q

What is this muscle?

A

Soleus

44
Q

What is this muscle?

A

Fibularis longus

45
Q

What is this muscle?

A

Extensor digitorum longus

46
Q

What is this muscle?

A

Tibialis anterior
Origin: Lateral condyle and tibial shaft
Insertion: Medial cuniform and first metatarsal bone
Action: Dorsiflexion

Anatomy (30 decks)

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