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Anatomy Final > Muscles/Movements > Flashcards

Muscles/Movements Flashcards

1
Q

Digastric and Mylohyoid

A

Elevate hyoid and larynx

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2
Q

Sternohyoid, Sternothyroid, Omohyoid

A

Depress hyoid and larynx

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3
Q

Sternocleidomastoid (Unilateral and bilateral movements)

A

Unilateral- same side lateral flexion, opposite side lateral rotation
Bilateral- flexion/extension of the neck, forced breathing

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4
Q

Erector Spinae Muscles:
1. List lateral to medial
3. Bilateral movements
4. Unilateral movements

A
  1. Iliocostalis, Longissimus, Spinalis
  2. Bilateral- Extension of the vertebral column (straightening the back); in practice, these muscles are actually working to reduce the movement of the spinal column
  3. Unilateral- Same side lateral flexion and rotation
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5
Q

Splenius:
1. Where is it located
2. Functions

A
  1. Vertebral column, inserts on skull and goes down cervical spine
  2. Same side lateral flexion and lateral rotation, extension of the cervical spine
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6
Q

Scalenes

A

Forced breathing (inspiration) and cervical stabilization.

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7
Q

Internal and external intercostals
1. Where are they
2. What do they do

A
  1. They are on the lateral aspect, ribs.
  2. The intercostal muscles maintain the stability of the intercostal spaces- this makes sure the ribs move evenly relative to one another. Also assist with forced respiration.
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8
Q

External oblique, internal oblique, and rectus abdominus
1. Where are they
2. What do they do

A
  1. They are on the medial aspect, stomach
  2. Mostly help with spinal flexion (crunch motion), and with abdominal compression (sucking in the gut). Essential for core stability.
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9
Q

The diaphragm movements during breathing

A

Inhalation: Moves down (expands)
Exhalation: Moves up (contracts)

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10
Q

Triceps Brachii

A

Extension of forearm

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11
Q

Anconeus

A

Weak extension of forearm

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12
Q

Biceps Brachii

A

Flexion of forearm; supination of forearm

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13
Q

Brachialis

A

Flexion of forearm

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14
Q

Brachioradialis

A

Flexion of forearm

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15
Q

Pronator teres (movement at radioulnar joint)

A

Pronation of forearm

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16
Q

Supinator (movement at radioulnar joint)

A

Supination of forearm

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17
Q

Flexor carpi ulnaris

A

Flexion/adduction of the hand

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18
Q

Flexor carpi radialis

A

Flexion/abduction of hand

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19
Q

Palmaris longus

A

Weak flexion of hand, tenses palmar aponeurosis

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20
Q

Extensor carpi ulnaris

A

Extend/adduct the hand

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21
Q

Extensor carpi radialis (brevis and longus)

A

Extend/abduct the hand

22
Q

Pronator quadratus (movement at radioulnar joint)

A

Pronation of forearm

23
Q

Abductor pollicis longus

A

Abduct the thumb

24
Q

Extensor digitorum

A

Extend digits 2-5

25
Q

Extensor pollicis longus

A

Extend the thumb

26
Q

Extensor pollicis brevis

A

Extend the thumb

27
Q

Extensor indicis

A

Extend the 2nd digit

28
Q

Extensor digiti minimi

A

Extend the 5th digit

29
Q

Flexor digitorum superficialis

A

Flex digits 2-5

30
Q

Extensor retinaculum

A

Holds down extensor tendons on back of wrist

31
Q

Flexor retinaculum

A

Covers the carpal tunnel

32
Q

Movements at the hip joint

A

Flexion, extension, abduction, adduction, medial rotation, lateral rotation, circumduction

33
Q

Movements at the knee joint

A

Flexion, extension

34
Q

Movements at the ankle joint

A

Dorsiflexion, plantarflexion, inversion, eversion

35
Q

Sub-talar joint

A

Inversion and eversion of foot

36
Q

Talocrural joint

A

Where tibia sits on the talus; dorsiflexion and plantarflexion

37
Q

Gluteus maximus

A

Extension, lateral rotation at the hip, attaches to IT band

38
Q

Gluteus medius

A

Abduction at hip, assists with pelvic stabilization during running/walking

39
Q

Glueus minimus

A

Flexion/medial rotation/adbuction at hip; assists with pelvic stabilization during running/walking

40
Q

Tensor fasciae latae

A

Weak flexion/abduction at hip; attaches to IT band

41
Q

Obturator muscles, piriformis, gemelli muscles, quadratus femoris

A

Lateral rotation at the hip; these also help to hold the femoral head into the hip socket

42
Q

Adductor brevis, adductor longus, adductor magnus, pectineus, gracilis

A

Hip adduction; these muscles can be torn and are associated with groin pulls/strains

43
Q

Iliacus, Psoas major

A

Main hip flexors

44
Q

Quadriceps femoris
- Vastus intermedius
- Vastus lateralis
- Vastus medialis
- Rectus femoris

A

Extension of the knee

45
Q

Hamstrings
- Biceps femoris
- Semimembranosus
- Semitendinosus

A

Knee flexion and hip extension

46
Q

Sartorius, popliteus

A

Flexors of the knee

47
Q

Tibialis anterior

A

Dorsiflexion and inversion of foot

48
Q

Gastrocnemius

A

Plantarflexion of foot, knee flexion

49
Q

Fibularis brevis, fibularis longus

A

Eversion of foot

50
Q

Plantaris

A

Weak plantarflexion, knee flexion

51
Q

Soleus

A

Plantarflexion of foot

52
Q

Tibialis posterior

A

Inversion of foot

Anatomy Final (11 decks)

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