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Anatomy 3010 > Lecture 7 > Flashcards

Lecture 7 Flashcards

1
Q

Movements of scapula (6)

A
  1. Elevation
  2. Depression
  3. Protraction
  4. Retraction
  5. Lateral rotation
  6. Medial rotation
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2
Q

Muscles connecting scapula to trunk (5)

A
  1. Trapezius
  2. Rhomboids
  3. Levator scapulae
  4. Pectoralis minor
  5. Serratus anterior
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3
Q

Trapezius

A

Elevates, retracts and depresses scapula
Largest muscle affecting scapula
Diamond shaped

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4
Q

Rhomboids

A

Minor and major

Retract scapula: bring towards midline

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5
Q

Serratus anterior

A

Finger-like projections onto ribs
Attach from anterior surface of scapula to anterior surface of rubs
Brings scapula anteriorly into protraction
Strongest protractor of the scapula

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6
Q

Levator scapulae

A

Elevates scapula

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7
Q

Sternoclavicular joint

A

Attaching clavicle to sternum

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8
Q

Acromioclavicular joint

A

Attaching clavicle to shoulder

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9
Q

Movements of clavicle (5)

A
  1. Anteriorly
  2. Posteriorly
  3. Superiorly
  4. Inferiorly
  5. Rotation
    When scapula moves, so does the clavicle
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10
Q

Clavicle

A

Only boney connection from arm to axial skeleton

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11
Q

Muscles connecting humerus to trunk (2)

A
  1. Pectoralis major

2. Latissimus dorsi

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12
Q

Pectoralis major

A

Flexion, extension, adduction and medial rotation of arm

Anterior to chest, attaches to anterior aspect of arm

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13
Q

Latissimus dorsi

A

Extension, adduction and medial rotation of arm
Covers most of inferior back
Attached through narrow tendon anteriorly to humerus

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14
Q

Muscles that connect scapula and humerus (2)

A
  1. Deltoid

2. Rotator cuff muscles

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15
Q

Deltoid

A

Major abduction of the arm

Fan shaped muscle that encompasses shoulder

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16
Q

Rotator cuff muscles

A

4 of them

Tendons stabilize shoulder joint

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17
Q

Shoulder joint

A

Most mobile joint in body

18
Q

Upper limb anterior compartment muscles

A

Flexors

19
Q

Upper limb posterior compartment muscles

A

Extensors

20
Q

Muscle compartments

A

Mostly muscles in the same compartment have same function and enervation

21
Q

Muscles in anterior compartment of arm (3)

A
  1. Biceps brachii
  2. Coracobrachialis
  3. Brachialis
22
Q

Biceps brachii

A 
Two heads (short and long)
Join into one tendon to radius
Flexes shoulder and elbow
23
Q

Coracobrachialis

A

Small muscle
Only crosses shoulder joint
Only flexes shoulder

24
Q

Brachialis

A

Starts at humerus, goes over elbow joint to ulna

Only flexes ulna

25
Q

Muscles in posterior compartment of arm (1)

A
  1. Triceps brachii
26
Q

Triceps brachii

A

Extender

27
Q

Anterior muscle compartment of forearm

A

Flexors of the hand and fingers

28
Q

Posterior muscle compartment of forearm

A

Extensors of hand and the fingers

29
Q

Muscles of the gluteal region (3)

A

Cross hip joint and move thigh/femur

  1. Gluteus maximus
  2. Gluteus medius
  3. Gluteus minimus
30
Q

Gluteus maximus

A

Extension and lateral rotation of the thigh

Largest muscle of region

31
Q

Gluteus medius

A

Abduction of thigh

32
Q

Gluteus minimus

A

Abduction of thigh

33
Q

Muscle compartments of the thigh (3)

A
  1. Anterior
  2. Posterior
  3. Medial
34
Q

Muscles of anterior compartment of thigh

A

Flexors of the thigh, extensors of knee

35
Q

Muscles of posterior compartment of thigh

A

Extensors of thigh and flexors of knee

36
Q

Muscles of medial compartment of thigh

A

Adductors of thigh

Inner thigh, attach to public bone and parts of hip bone

37
Q

Inversion of the foot

A

Move inside of foot up, towards midline

38
Q

Eversion of the foot

A

Move outside of foot up, away from midline

39
Q

Muscle compartments of the leg (3)

A
  1. Anterior
  2. Posterior
  3. Lateral
40
Q

Muscles of anterior compartment of leg

A

Dorsiflexors of the foot

41
Q

Muscles of posterior compartment of leg

A

Plantarflexors and inverters of foot

42
Q

Muscles of lateral compartment of leg

A

Everters of foot

Anatomy 3010 (12 decks)

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