Chapter 10 A & P

Front 1

Shoulder Joint

Back 1

Made up of the Humeral head articulating with the glenoid fossa of the scapula. Most movable joint and least stable.

Front 2

Motions of the Shoulder Joint

Back 2

Flexion, Extension & Hyperextension

Abduction and Adduction

Medial and Lateral Rotation

Horizontal Abduction & Adduction

Circumduction

Scaption

Front 3

Motions that occur in sagittal plane around frontal axis

Back 3

Flexion, Extension & Hyperextension

Front 4

Motions that occur in frontal plane around sagittal axis

Back 4

Abduction & Adduction

Front 5

Motions that occur in the transverse plane around vertical axis

Back 5

Medial & Lateral Rotation

Front 6

Scaption

Back 6

This motion is similar to flexion or abduction but occurs in the scapular plane as opposed to the sagittal or frontal plane

Front 7

Normal End Feel for all shoulder joint motions

Back 7

Soft Tissue Stretch

Front 8

Shallow, somewhat egg shaped socket on the superior end, lateral side that articulates with the humerus

Back 8

Glenoid Fossa

Front 9

Fibrocartilaginous ring attached to the rim of the glenoid fossa, which deepens articular cavity

Back 9

Labrum

Front 10

Includes most of the area on the anterior surface, providing attachment for the subscapularis muscle

Back 10

Subscapular Fossa

Front 11

Below the spine, providing attachment for the infraspinatus muscle

Back 11

Infraspinous Fossa

Front 12

Above the spine, providing attachment for the supraspinatus muscle

Back 12

Suparspinous Fossa

Front 13

Providing attachment for the trees major and trees minor muscles

Back 13

Axillary Border

Front 14

Broad, flat area on the superior lateral aspect, providing attachment for the middle deltoid muscle

Back 14

Acromion Process

Front 15

Semirounded proximal end: articulates with the scapula

Back 15

Head (Humerus)

Front 16

Slightly constricted area just below tubercles where the head meets the body

Back 16

Surgical Neck (Humerus)

Front 17

Circumferential groove separating the head from the tubercle

Back 17

Anatomical Neck (Humerus)

Front 18

Or "body": the area between the surgical neck proximally and the epicondyles distally

Back 18

Shaft (Humerus)

Front 19

Large projection lateral to head and lesser tubercle: provides attachment for the supraspinatus, infraspinatus and teres minor muscles

Back 19

Greater Tubercle (Humerus)

Front 20

Smaller projection on anterior surface medial to greater tubercle: provides attachment for the subscapularis muscle

Back 20

Lesser Tubercle (Humerus)

Front 21

On the lateral side near the midpoint: not usually a well-defined landmark

Back 21

Deltoid Tuberosity

Front 22

Also called "inter tubercular groove": longitudinal groove between tubercles: containing tendon of the long head of the biceps

Back 22

Bicipital Groove

Front 23

Also called lateral and medial lips of the bicipital groove, or the crests of the greater and lesser tubercles. Provides attachment for the pectoralis major (lateral lip) and latissimus dorsi (medial lip)

Back 23

Bicipital Ridges

Front 24

Thin walled spacious container that attaches around the rim of the glenoid fossa of the scapula and anatomical neck of the humerus

Back 24

Joint Capsule

Front 25

attaches fro the lateral side of the coracoid process and spans the joint anteriorly to the medial side of the greater tubercle

Back 25

Coracohumeral Ligament

Front 26

reinforce the anterior portion of the capsule. these aren't well defined ligaments. they are pleated folds of the capsule

Back 26

Glenohumeral Ligaments

Front 27

Fibrous ring that surrounds the rim of the glenoid fossa. Its function is to deepen the articular cavity

Back 27

Labrum

Front 28

Tendinous band formed by the blending together of the tendinous insertions of the subscapularis, supraspinatus, infraspinatus and trees minor muscles

Back 28

Rotator Cuff

Front 29

Rotator Cuff (contd)

Back 29

Muscles involved in the cuff help to keep the head of the humerus rotating against the glenoid fossa during joint motion

Front 30

Thoracolumbar Fascia

Back 30

(lumbar aponeurosis) is a superficial fibrous sheet that attaches to the spinous processes of the lower thoracic and lumbar vertebrae, the supra spinal ligament and the posterior part of iliac crest

Front 31

Muscles of the Shoulder Joint

Back 31

Deltoid, Pectoralis Major, Latissimus Dorsi

Teres Major, Teres Minor, Supraspinatus

Infraspinatus, Subscapularis, Coracobrachialis

Biceps Brachii, Triceps Brachii, Long Head

Front 32

GlenoHumeral Movement

Back 32

Movement of the humeral head on the glenoid fossa. Involves the arthrokinematic motions of GLIDE, SPIN and ROLL

Front 33

Acromioclavicular Separation

Back 33

General term for various amounts of ligament injury at the acromioclavicular joint

Front 34

Clavicular Fractures

Back 34

account for the most frequently broken bone in children. Usually results from fall on the lateral aspect of the shoulder or on the outstretched hand

Front 35

Humeral Neck Fracture

Back 35

Also caused by fall on the outstretched hand. It is common in the elderly

Front 36

Midhumeral Fractures

Back 36

Caused by a direct blow or twisting force.

Front 37

Radial Nerve Injury

Back 37

Caused by spiral fractures as the nerve passes next to the bone.

Front 38

Pathological Factors

Back 38

Caused by benign tumors or metastatic carcinoma

Front 39

Anterior Shoulder Dislocations

Back 39

Forced shoulder abduction and lateral rotation resulting in the dislocation

Front 40

Glenohumeral Sublaxation

Back 40

Seen in individuals who have hemiplegia from a stroke

Front 41

Impingement Syndrome

Back 41

An overuse condition that involves compression between the arcomial arch, humeral had and soft tissue structures

Front 42

Adhesive Capsulitis

Back 42

Refers to the inflammation and fibrosis of the shoulder joint capsule which leads to pain and loss of rom (frozen shoulder)

Front 43

Segmental Innervation of Shoulder Joint

C5 & C6

Back 43

Supraspinatus

Infraspinatus

Teres Minor

Subscapularis

Teres Major

Deltoid

BIceps

Front 44

Segmental Innervation of Shoulder Joint

C5, C6, C7, C8 & T1

Back 44

Pectoralis Major

Front 45

Segmental Innervation of Shoulder Joint

C6 & C7

Back 45

Coracobrachialis

Front 46

Segmental Innervation of Shoulder Joint

C6, C7 & C8

Back 46

Latisimuss Dorsi

Front 47

Segmental Innervation of Shoulder Joint

C7 & C8

Back 47

Triceps

Front 48

Calcific Tendonitis

Back 48

Accumulation of mineral deposits caused by chronic inflammation of supraspinatus tendon

Front 49

Bicepitial Tendonitis

Back 49

Involves long head of biceps. Tendon commonly ruptures during repetitive or forceful overhead positions

Front 50

Subluxing of biceps tendon

Back 50

Caused by overloading the muscle in an abducted and laterally rotated position

Front 51

Anterior Deltoid Muscle

Back 51

O: Lateral 3rd clavicle

I: Deltoid Tuberosity

A: Shoulder abduction, Flexion, Medial Rotation, Horizontal Adduction

Front 52

Middle Deltoid Muscle

Back 52

O: Acromion Process

I: Deltoid Tuberosity

A: Shoulder Abduction

Front 53

Posterior Deltoid Muscle

Back 53

O: Spine of Scapula

I: Deltoid Tuberosity

A: Shoulder abduction, extension, hyperextension, lateral rotation, horizontal abduction

Front 54

Pectoralis Major Muscle (Clavicular)

Back 54

O: Medial 3rd of clavicle

I: Lateral lip of bicipital groove

A: Shoulder Flexion

Front 55

Pectoralis Major Muscle (Sternal)

Back 55

O: Sternum, first 6 ribs

I: Lateral lip of bicipital groove

A: Shoulder extension

Front 56

Pectoralis Major (Clavicular & Sternal)

Back 56

A: Shoulder adduction, medial rotation and horizontal adduction

Front 57

Latissimus Dorsi Muscle

Back 57

O: Spinous Process T7 - L5

I: Medial Floor of bicipital groove

A: Shoulder extension, adduction, medial rotation, hyperextension

Front 58

Teres Major Muscle

Back 58

O: Axillary border of scapula

I: Crest below lesser tubercle

A: Shoulder extension, adduction and Medial Rotation

Front 59

Supraspinatus Muscle

Back 59

O: Supraspinous Fossa of scapula

I: Greater Tubercle of Humerus

A: Shoulder Abduction

Front 60

Infraspinatus Muscle

Back 60

O: Infraspinous Fossa of Scapula

I: Greater Tubercle of Humerus

A: Shoulder Lateral rotation Horizontal abduction

Front 61

Teres Minor Muscle

Back 61

O: Axillary Border of Scapula

I: Greater Tubercle of Humerus

A: Shoulder Lateral Rotation, Horizontal Abduction

Front 62

Subscapularis Muscle

Back 62

O: Subscapular Fossa of scapula

I: Lesser tubercle

A: Shoulder Medial Rotation

Front 63

Coracobrachialis Muscle

Back 63

O: Coracoid Process of Scapula

I: Medial surface of humerus

A: Stabilizes shoulder joint

Front 64

Points to remember

Back 64

Shoulder Girdle has both linear and angular motions. Inferior angle is the point of reference for scapular rotation, Certain shoulder girdle and shoulder joint motions are connected.