Download Arm - Eden High

Bones
Appendicular Skeleton
The Skeleton
Coracoid Process
Acromion Process
Coracoid Process
Acromion Process
Glenoid Fossa
Glenoid Fossa
Subscapular Fossa
Lateral Boarder
Lateral Boarder
Medial Boarder
Inferior Angle
Coracoid Process
Acromion Process
Glenoid Fossa
Inferior Angle
Greater Tuberosity
Head
Lesser Tuberosity
Superior Angle
Supraspinous Fossa
Bicipital Groove
Scapular Spine
Deltoid Tuberosity
Infraspinous Fossa
Head
Deltoid Tuberosity
Shaft
Medial Boarder
Lateral Boarder
Lateral Epicondyle
Capitulum
Coronoid Fossa
Medial Epicondyle
Trochlea
Lateral Epicondyle
Olecranon Fossa
Medial Epicondyle
Trochlea
Olecranon Process
Coranoid Process
Trochlear Notch
Radial Notch
Head
Radial Tuberosity
Carpals
Left Hand
Anterior
View
Hamate
Scaphoid
Lunate
Triquetrum
Pisiform
Capitiate
Trapezoid
Trapezium
Metacarpals
Ulna
Seasmoid Bone
Proximal phalanx
Radius
Phalanges
Distal phalanx
I
V
Styloid Process
of Ulna
Styloid Process
of Radius
Middle phalanx
IV
III
Distal phalanx
II
• Some
• Lovers
• Tried
• Potatoes
• That
Muscles
Left Hand
Anterior Side
Proximal to Distal
Lateral to Media
Naming
• They
• Can’t
• Handle
MUSCLES ACTING ON
THE HUMERUS
- attached on body
Name: Latissimus Dorsi
Origin:
posterior ilium, sacrum,
vertebral spines of
T 7 -T 12, L1- 5
Insertion:
floor of bicipital groove
between pectoralis major and
teres major
Function:
adducts,
medially rotates humerus
Muscles of the Shoulder
Proximal phalanx
Name: Pectoralis Major
Origin:
medial 1/2 clavicle,
sternum,
costal cartilages 1-6
Insertion:
lateral lip of bicipital groove
Function:
flexes,
adducts,
medially rotates shoulder
MUSCLES ACTING ON THE
HUMERUS
- attached on scapula
Name: Teres Major
Name: Deltoid
(3 Portions)
Origin:
lateral border of scapula
Origin:
A - lateral third of clavicle
M - acromion process of scapula
P - spine of scapula
Insertion:
medial lip of bicipital groove
Insertion:
Deltoid tuberosity
Function:
adducts,
medially rotates humerus
Function:
ALL - abduction of humerus
A - flexion, internal rotation
P - extension, external rotation
MUSCLES OF THE
ROTATOR CUFF
Name: Subscapularis
Name: Supraspinatus
Origin:
subscapular fossa
Origin:
supraspinous fossa of scapula
Insertion:
lesser tuberosity
Insertion:
top of greater tuberosity
Function:
medial rotation,
adduction of humerus
Function:
abduction of humerus
Name: Infraspinatus
Name: Teres Minor
Origin:
infraspinous fossa of
scapula
Origin:
lateral border of scapula
Insertion:
posterior greater tuberosity
Insertion:
lower posterior greater
tuberosity
Function:
lateral rotation,
extension of humerus
Function:
lateral rotation,
extension and adduction
Muscles of the Arm
"Sub Terrain Lunches Put Sickness In Tummies"
ELBOW FLEXORS AND
EXTENSORS
Name: Biceps Brachii
Origin:
1. coracoid process
2. top of glenoid fossa
x
Insertion:
tuberosity of radius
Function:
elbow flexion,
shoulder flexion,
supination
Name: Brachialis
Name: Triceps Brachii
Origin:
lower 2/3 anterior humerus
Origin:
1. just under glenoid fossa
2. upper posterior humerus
3. lower posterior humerus
Insertion:
coronoid process of ulna
Function:
elbow flexion
Insertion:
olecranon process
Function:
elbow extension
some shoulder extension
SUPINATORS AND PRONATORS
OF FOREARM
Name: Brachioradialis
Origin:
above lateral epicondyle
of humerus
Insertion:
styloid process on the radius
Name: Pronator Teres
Origin:
medial epicondyle of humerus
coronoid of ulna
Insertion:
outer surface middle radius
Function: pronation, elbow flexion
Function:
elbow flexion
(primarily when arm is between
supination and pronation)
Name: Pronator Quadratus
Origin: lower front of ulna
Insertion: lower front of radius
Function: pronation
Name: Annconeus
Name: Supinator
Origin:
lateral supracondylar ridge of
humerus,
upper lateral ulna
Insertion:
outer surface upper radius
Function:
supination
Origin:
back of lateral epicondyle of
humerus
Insertion:
olecranon process
upper posterior ulna
Function:
- elbow extension
- puts tension of synovium to
prevent pinching
- abducts ulna in pronation
MUSCLES OF THE WRIST JOINT,
HAND AND FINGERS
Name:
Flexor digitorum superficialis
(sublimis)
Naming Muscles #2
Origin
- medial epicondyle,
- anterior, proximal radius and ulnar
Insertion:
side of middle phalanges of fingers
(tendons split into 2)
Function:
flex fingers
flex wrist
flex elbow
Name: Flexor carpi radialis
Name: Flexor carpi ulnaris
Origin:
Medial epicondyle
Origin:
medial epicondyle
Insertion:
base of palmar surface of
metacarpals 2 and 3
Insertion:
base of palmar surface of
metacarpal 5
Function:
flex wrist
flex forearm
Function:
flex wrist
flex forearm
abducts wrist
Name: Flexor digitorum profundus
(deep)
Origin:
anterior, proximal 2/3 of ulna
Insertion:
palmar surface of distal phalanges
Function:
flex fingers
flex wrist
adducts wrist
Name: Extensor digitorum (communis)
Origin:
lateral epicondyle
Insertion:
base of middle and distal phalanx of fingers
Function:
extend fingers
extend wrist
extend elbow
Name: Extensor carpi radialis
Name: Extensor carpi ulnaris
Origin:
lateral epicondyle
Origin:
- lateral epicondyle
- posterior, proximal ulna
Insertion:
base of dorsal surface of
metacarpals 2 and 3
Origin:
extend wrist
extend forearm
abducts hand
Insertion:
5th metacarpal
Function:
extends wrist
adducts hand
Name: Flexor pollicis longus
Origin:
anterior middle radius
(and interosseus membrane)
Insertion:
palmar surface of distal thumb
Function:
flex thumb
flex wrist
Name: Extensor pollicis longus
Origin:
posterior ulna
Insertion:
palmar surface of distal thumb
Function:
extends thumb
extends wrist