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MSA 1 L > Important To Know > Flashcards

Important To Know Flashcards

1
Q

A point of contact between two bones
Between bone and cartilage or between
Bones and teeth

A

Joint

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2
Q

Structural joint examples

A

Fibrous
Cartilaginous
Synovial

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3
Q

Functional joints examples

A

Synarthrosis- an immovable joint
Amphiarthosis -slightly movable
Diarthosis - freely movable joint (only joint you can move)

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4
Q

Where does the latissimus dorsi originate

A

Inferior angle of the scapula
Spinous processes of the last 6 thoracic vertebrae
Last 3-4 ribs
Thoracolumbar aponeurosis and
Posterior iliac crest

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5
Q

Latissimus dorsi Inserts at the

A

Intertubercle groove of the humerus

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6
Q

What is the Lats nerve

A

Thoracodorsal

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7
Q

Lats dorsi actions

A

Extend (the shoulder)
Adductor (the shoulder, GH joint)
Medically rotate (the shoulder, GH joint)

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8
Q

Corrugator supercilli O & I

A

Origin= medial end of the supraorbital arch
Insertion = skin of eyebrow

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9
Q

Fibrous joints

A

No joint cavity
Very little movement

Sutures-
Syndemosis-
Interosseous membrane-

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10
Q

What makes up a suture

A

Occurs in skull
Interlocking edges

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11
Q

What is syndemosis

A

Looks like a band of ligament
Connective tissue
Permits slight movement
Cone shapes- roots of teeth

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12
Q

What is a interosseous membrane

A

Dense irregular tissue that binds 2 long bones

2 in body between radius and ulna
Tibia and fibula

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13
Q

Types of cartilaginous joints

A

Synchondrosis
Symphysis
Epiphyseal cartilage

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14
Q

Synchondroisis is

A

Connecting material
Byline cartilage
Slightly moveable

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15
Q

Symphysis is

A

Connecting tissue is also byline cartilage
Flat disc that connects bones
Ex invertebral discs

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16
Q

What is epiphyseal cartilage

A

Growth center of bone

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17
Q

What are 3 types of cartilage

A

Hyaline
Fibrous
Elastic cartilage

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18
Q

Types of synovial joints

A

Plane or gliding

Pivot or trochoid (ulna and radius)

Condyloid or ellipsoid - like ball and socket but egg shaped

Saddle or seller - saddle shaped

Ball and socket

Hinge or gingylmus

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19
Q

Types of bones (2)

A

Spongy
Compact

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20
Q

6 types of bones

A

Long
Short
Irregular
Sesmoid
Sutures
Flat

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21
Q

Examples of sesmoid bones

A

Patella
Floating bones on palms
and soles of feet

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22
Q

Types of irregular bones

A

Vertebral
Mandible
Sacrum
Coccyx

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23
Q

Main parts of long bone

A

Diaphysis - shaft

Epiphysis - at each end of long bone

24
Q

Skull bones

A

Parietal 2
Temporal 2
Frontal 1
Occipital 1
Sphenoid 1
Ethmoid 1

25
Q

Face bones

A

Mandible
Maxilla
Nasal 2
Vomer
Inferior nasal concha 2
Lacrimal 2
Palatine 2
Zygomatic 2

26
Q

What are the 3 muscles that insert on to the bicipital groove

A

Groove- latissimus dorsi insertion
Medial lip - teres major insertion
Lateral lip - pec major insertion

All internally/medially rotate the humerus

27
Q

What type of joint is the TMJ

A

Diarthosis, synovial, condyloid and hinge

28
Q

TMJ movements

A

Depression
Elevation
Lateral deviation
Protraction
Retraction

29
Q

TMJ upper and lower types of movement

A

Upper- plane or gliding
Lower - hinge

30
Q

TMJ accessory muscle

A

Stylomandibular ligament
Sphenomandibular ligament

31
Q

TMJ ligaments

A

Fibrous capsule
Tempomandibular ligament

32
Q

What limits the protrusion of the TMJ

A

Stylomandibular

33
Q

Axillary nerve pathway

A

Arising from the neck,
posterior to the Axillary artery and anterior to the subscapularis muscle
The Axillary nerve

Travels toward the lower border of the subscapularis where it exits the Axillary through the quadrangular space
Alongside the posterior humeral circumflex artery and vein

34
Q

Rotator cuff muscles (SITS)

A

Subscapularis
Infraspinatus
Supraspinatus
Teres minor

35
Q

What type of joint is the sternoclavicular joint

A

Synovial
Saddle or plane,
diarthosis
Multiaxial

36
Q

Sternoclavicular articulating surfaces

A

Convex streak head of the clavicle on the concave manubrium of the sternum
This joint contains an articular disc

37
Q

Sternoclavicular joint accessory ligaments and movements

A

Joint capsule
Sternoclavicular ligament (ant & post)
Interclavicular ligament
Costoclavicular ligament
And the articular disc

Movements-
elevation
Depression
Protraction
Retraction
Rotation

38
Q

What type of joint is the Acromioclavicular Joint

A

Synovial
Plane
Diarthosis
Triaxial

39
Q

What kind of joint is the glenohumeral joint

A

Synovial,
Ball and socket (spheroid)
Diarthosis
Multiaxial

40
Q

Where is the subacromial space

A

Region between the humerus and acromian
The roof is formed by the coracoacromial ligament

41
Q

What is in the subacromial space

A

Supraspinatus tendon
Biceps (long head) tendon
Subacromial bursa

42
Q

What type of joint is the scapulothoracic joint?

A

Not a true joint
Mostly consists of muscle tissue (serrated anterior)
Connective tissue
Fascia
And large bursa (subscapularis bursa)

43
Q

Anatomical position

A

Erect posture
Face forward
Arms at sides
Palms forward
Fingers and thumb in EXTENSION

44
Q

5 SPINAL PLEXUSES

A

Cervical plexus - serves the head, neck and shoulders
Brachial plexus- serves the chest shoulders, arms and hands
Lumbar plexus- serves the back, abdomen, groin, thighs, knees and calves
Sacral plexus- serves the pelvis, buttocks, genitals, thighs calves and feet
Coccygeal plexus- serves the small region over the coccyx

45
Q

What categories is the brachial plexus divided into?

A

Roots, trunks, divisions, cords and branches

46
Q

Is the Axillary nerve a peripheral nerve?

A

Yes

47
Q

Where does the Axillary nerve come out

A

C5-C6

48
Q

Is Axillary nerve posterior or anterior?

A

Posterior

49
Q

Movements in Sagittal plane

A

Flexsion
Extension
Planterflexion
Dorsiflexion

50
Q

Movements in transverse plane

A

Adduction
Adduction
Lateral flexion

51
Q

Brachial plexus- where is it

A

Located in the shoulder and armpit

52
Q

What forms the brachial plexus

A

Lower 4 cervical nerves and thoracic nerve
C-5,6,7,8 T-1

Divided into

Roots trunks, divisions, cords, branches

53
Q

How many of each in the brachial plexus
Roots
Trunks
Divisions
Cords
Peripheral nerves

A

5 Roots
3 Trunks
6- Divisions
3 Cords
5 Peripheral nerves

54
Q

Brachial plexus
5 roots are

A

Anterior rami of c-5 - T-1

55
Q

Brachial plexus
3 trunks are

A

Superior/upper (C5-C6)
Middle (C-7)
Inferior/lower (c8/T1)

MSA 1 L (1 decks)

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