Muscles 1-19 11/05

Front 1

1.Supraspinatus

Back 1

GENERAL LOCATION:
Posterior Shoulder Deep
ORIGIN:Supraspinous Fossa of the Scapula
INSERTION:Greater Tubercule of the Humerus (on Superior Facet)

Hint 1

ACTION:ABducts at shoulder

Front 2

2.Infraspinatus

Back 2

GENERAL LOCATION:
Posterior Shoulder Superfica
ORIGIN:Infraspinous Fossa of the Scapula
INSERTION:Greater Tubercule of the Humerus (on Middle Facet)

Hint 2

ACTION:Laterally rotates arm at shoulder

Front 3

3.Teres Minor

Back 3

GENERAL LOCATION:
Posterior Axilla Superficia
ORIGIN:Superior 1/2 of Lateral Border of Scapula
INSERTION:Greater Tubercule of the Humerus (on Inferior Facet)

Hint 3

ACTION:Laterally rotates arm at shoulder

Front 4

4.Subscapularis

Back 4

GENERAL LOCATION:Anterior Scapula Deep
ORIGIN:Subscapular Fossa of Scapula
INSERTION:Lesser Turbercle of Humerus

Hint 4

ACTION:Medial rotates arm at shoulder

Front 5

5.Terres Major

Back 5

GENERAL LOCATION:Posterior Axilla Superficial
ORIGIN:Lateral side of inferior angle and lower half of lateral border of scapula
INSERTION:Medial Lip of Intertubercular Groove of Humerus

Hint 5

ACTION:Extends, aDducts & medially rotates arm at shoulder

Front 6

6.Triceps Brachii

Back 6

GENERAL LOCATION:Posterior Arm Superficial
ORIGIN:Long Head-Infraglenoid Tubercle of Scapula
Lateral Head-Posterior Proximal Half of Humerus
Medial Head-Posterior Distal Half of Humerus
INSERTION:Ocelranon process at Ulna

Hint 6

ACTION:Extends forearm at elbow

Front 7

7.Brachialis


Anterior Arm

Back 7

GENERAL LOCATION:Anterior Arm Deep
ORIGIN:Distal 1/2 of anterior surface of Humerus
INSERTION:Coraniod Process & Tuberosity of Ulna

Hint 7

ACTION:Flexes forearm at elbow

Front 8

8.Biceps Brachii


Anterior Arm

Back 8

GENERAL LOCATION:Anterior Arm Superficial
ORIGIN:Short Head-Coracoid Process of Scapula
Long Head-Supraglenoid Tubercle of Scaula
INSERTION:Tuberosity of Radius & aponeurosis of biceps brachii

Hint 8

ACTION:Flexes and supinates forearm at elbow

Front 9

9.Deltoid


Lateral of Shoulder

Back 9

GENERAL LOCATION:Lateral Shoulder Superficial
ORIGIN:Anterior:Lateral 1/3 of Clavicle
Middle-Acromion
Posterior-Spine of Scapula
INSERTION:Deltiod Tuberosity of Humerus

Hint 9

ACTION:
A:flex, med rot.
M:aBducts
P:ext.,lat rot Arm at shoulder

Front 10

11.Extensor Carpi Radialis Brevis
Superficial Layer of the Posterior Forearm

Back 10

GENERAL LOCATION:Posterior Forearm Superficial
ORIGIN:Lateral Epicondyle of Humerus
INSERTION:Base of 3rd Metacarpal

Hint 10

ACTION:Extends & radially deviates hand at wrist

Front 11

12.Extensor Carpi Radialis Longus
Superficial Layer of the Posterior Forearm

Back 11

GENERAL LOCATION:Posterior Forearm Superficial
ORIGIN:Lateral Supracondylar Ridge of Humerus
INSERTION:Base of 2nd Metacarpal

Hint 11

ACTION:Extends & radially deviates hand at wrist

Front 12

17.Extensor Digitorum

Deep Layer of the Posterior Forearm

Back 12

GENERAL LOCATION:Posterior Forearm Superficial
ORIGIN:Common extensor from Lateral Epicondyle of Humerus
INSERTION:Distal phalange of 4 Medial digits (Extensor Expansion of 4 Medial Digits)

Hint 12

ACTION:Extends fingers

Front 13

18.Extensor Carpi Ulnaris

Deep Layer of the Posterior Forearm

Back 13

GENERAL LOCATION:Posterior Forearm Superficial
ORIGIN:Common extensor tendon from Lateral Epicondyle of Homerus
INSERTION:Base of 5th Metacarpal

Hint 13

ACTION:Extends & ulnar deviates hand at wrist

Front 14

19.Extensor Retinaculum

(Not a Muscle)

Back 14

GENERAL LOCATION:Connective tissue band BUFF
ORIGIN:Band attaches at distal radius & ulna

Hint 14

ACTION:Keeps tendons from bowing out