Lecture 1 :Shoulder Joint and Trunk Muscles Flashcards Preview

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Flashcards in Lecture 1 :Shoulder Joint and Trunk Muscles Deck (40)
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1

Arthrology

Study of joints

2

3 types of joints

Immovable, slightly moveable, freely moveable joints

3

Immoveable Joints

Sutures, fibourous

4

Slightly Moveable

Cartilaginous, ribs to costal hyaline cartilages, pubic symphysis, epiphyseal growth cartilages

5

Freely Moveable joints

Synovial (Joint capsule and fluid)
Temporomanidibular joint and joints in extremities

6

Synovial joints

Periosteum is the extension, making the fiborous capusle
Synovial fluid fills the space = No friction
Articular cartilage = Smooth motion

7

Sprain

In a joint,
Fluid fills the capsule, stretching it, movement becomes limited

8

Cracking Knuckle

Popping synovial fluid gas bubbles
Continous noise = bone to bone contact

9

Bursa

Fluid filled sacs around all major joints, underneath the muscle and skin

10

Bursitis

Excessive movement, inflame the bursa
of the shoulder = most common
Cold weather may make it uncomfortable = circulation problem

11

Bone seperate at the acromion and clavicle

Acromioclavicular ligament will be stretched, need surgery and will not heal on its own
Ligament have poor blood supply.

12

Breaking the humerus near the shoulder joint

Muscles pull the bones apart, damage the joint when breaking
= Muscle spas and the joint is immoveable

13

Gout

Metabolic disease
Related to nutrition -> rick and exotic food
You get crystals in the synovial fluid
Medication will get ride of the uric acid in the blood stream that creates this.

14

Syphilis in Joints

Enter joints, destroy the soft tissue and bones
Swells the joints = Disabliing and painful

15

Muscle tissue

high in proteins
Actin and Myosin
Myoglobin -> only found in muscle

16

Myoglobin

Close to hemoglobin in blood cells
Carries oxygen into tissue,
Special molecule more oxygen into muscle fibers
Dark meat = high myoglobin = dark, moist, rich
White meat = low in myoglobin = light color, leaner

17

Rigor mortis

Stiff death
Stiffness in muscle, changes in protein
1 - 7 hours of death, muscle = stiff and hard
Muscles loose stiffness enzymes break muscle down.

18

Muscle Shape

Latissimus = flat,
teres = round

19

Muscle size

Maximus, minimus, major, minor

20

Direction

Rectus = straight, oblique = diagonal, transverse = horizontal

21

Location

Supraspinatus, infraspinatus, pectorals

22

Flex

Joints made smaller

23

Extensor

Angle made larger, joints larger

24

Abductor

Moving muscles away from the midline

25

Adduction

Moving muscles to the midline

26

Pronation

Rotate out of anatomical position

27

Supination

Rotate to the midline

28

Medial/ lateral rotation

At hip and shoulder

29

Circumduction

Rotate in full circle

30

Pectoralis Major

Foundation of the breasts