CH.11 shoulder and upper arm

Question 1

what are the four joints of the shoulder

Answer 1

acromioclaviuclar (AC), sternoclavicualr (SC), glenohumeral (GH), and coracoidclavicualr (CC)

Question 2

what type of injury occours to a moveable joint

Answer 2

dislocation

Question 3

what type of injury occours to a non moveable joint

Answer 3

seperation

Question 4

what is the AC joints name, function, and connection point

Answer 4

AC joint: acromioclavicualr joint

function: trasmit forces from extremites to the clavicle

connection point: acriomion and lateral clavicle

Question 5

what is the SC joints name, fucntion, and connection point

Answer 5

SC joint: sternoclaviuclar joint

connection point : articulation of the medial clavicle to the sternum

function: allowing small amount of movement for the clavicle on the antroposteroir plane (forward and backwards)

Question 6

what is the GH joints name, function, and connection point?

Answer 6

GH joint: Glenohumeral joint

fucntion: connects the upper limb to trunk, provifing wide ROM. acts like the hip joint but w/ more mobility

connection point: humerus and scapula

Question 7

what is the name of the CC joint, its function, and connection point

Answer 7

CC joint: coracoclavicualr joint

function: not specfied in notes

connection point: corcoid process of the scapula and the clavicle

Question 8

what projects off of the sternum

Answer 8

xyphoid process

Question 9

4 bones of the shoudler

Answer 9

humerus, sternum,clavicle, scapula

Question 10

clavicle is AKA

Answer 10

collarbone

Question 11

the shoulder trades __________ for ___________

Answer 11

strength/mobility

Question 12

the only moveable shoulder joint is the

Answer 12

(GH)- glenohumeral joint

Question 13

the three non-moveable shoulder joints are…..

Answer 13

sternoclavicular (SC), coracoclavicualr (CC), and the acromioclaviclar (AC) joint(s)

Question 14

the scapula ______ on the back of the rib cage and is held in place by the ______ musscles

Answer 14

floats/shoulder

Question 15

what is scapuarthorcic movement refering to

Answer 15

the movement of the “floating” scapula

Question 16

what is the glenoid fossa

Answer 16

a depression articulating with the spherical head of the humerus and is called the GH joint,

Question 17

what are the musscles that cross the GH joint

Answer 17

deltoid, pectoralis major, bicpes, triceps, latisimus dorsi, and rotator cuff musscle group

Question 18

what are the muscles in the rotator cuff muscle group

Answer 18

supraspinatus, infraspinatus, teres minor, and subscapularis. the acronym SITS is used to remember these 4 muscles.

Question 19

what is the function of the rotaor cuff?

Answer 19

assiting in the throwing and overhand movement process

Question 20

what are the components of the shoulder girldle

Answer 20

a complex made up of the upper arm, clavicale, and scapula

Question 21

what is the sesnory distrubtion of a nerve called

Answer 21

dermatome

Question 22

define myotomes

Answer 22

the motor distrubtion of a group of muscles innervated by a single nerve root.

Question 23

what does shoulder flexion look like

Answer 23

movement of the aarm upwards towards the front of the body

Question 24

what does shoulder extension lok like

Answer 24

movement of the arm backwards, increasing the joint angle

Question 25

what does shoulder abduction look like

Answer 25

movement of the arms away from the body

Question 26

what does shoulder adduction look like

Answer 26

movement of the arm towards the midline of the body

Question 27

define horizontal abduction

Answer 27

with forearms paralel to the ground, the movement of the arms away from the body

Question 28

define horizontal adduction

Answer 28

with the forearms parralel to the ground, movement of the arms towards the midline of the body

Question 29

define shoulder internal rotation

Answer 29

with upper arm at the side of the body or abducted 90 degrees, the thumb is rotated downaward

Question 30

define shoulder external rotation

Answer 30

with the upper arm at the side of the body or abducted 90 degrees, the thumb is rotated upwards

Question 31

define circumduction

Answer 31

the movement of the shoulder in a complete circle

Question 32

define shoulder elavtion

Answer 32

tensing your shoulders up towards your ears

Question 33

define shoulder depression

Answer 33

relaxing your shoulders to a normal posture

Question 34

define protraction

Answer 34

movement of the shoulder baldes away from eachother

Question 35

define retraction

Answer 35

movement of the shoulder blades towards eachother

Question 36

what is the function of the biceps

Answer 36

flexion and supination

Question 37

what is the function of the deltiod

Answer 37

middle fibers: abduction anterior fibers: have flexion, horizontal abduction, and internal rotation. posterior fibers have extension, horizontal adduction, and external rotation so overall the deltoid muscle is responsible for almost every shoulder movement.

Question 38

what is the postion and function of the infraspinatus

Answer 38

part of the rotator cuff musscle group, assits with external rotation and is located beneath the spine

Question 39

what is the location and fucntion of the supraspinatus

Answer 39

part of the rotator cuff musscle group, assits in abduction, and is located just above the spine

Question 40

what is the evaluation format of an injury

Answer 40

H- histroy (how, where, what hurts) O- observation (look for swelling ,bleeding, deformites) P- palpation (bilateral compasrion) S- specail tests

Question 41

what type of joint is your shoulder

Answer 41

ball and socket

Question 42

true or false muscualr strains the shoulder girdle is common

Answer 42

true

Question 43

what ligamnet is most commonly sprained in your shoulder

Answer 43

acriomion clavicluar AC

Question 44

what shoulder joint is the "true" shoulder joint

Answer 44

GH or glenohumeral

Question 45

what is a coraciod process

Answer 45

a bony preojection of the scapula

Question 46

what is your acrimion process

Answer 46

a bony projection of your clavicle

Question 47

what postion is the shoulder most commonly in for dislocations

Answer 47

abduction and external rotation