Shoulder Joint, Shoulder Girdle, Elbow, Wrist and Hand Muscles- Origin, Insertion, Action

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1. 
Identify
 

Anterior Deltoid Muscle (Shoulder Joint)

Origin: Lateral 1/3 of Clavicle

Insertion: Deltoid Tuberocity of Humerus

Action: Horizontal Adduction, Flexion, Internal Rotation

Notes:

 
2. 
Identify
 

Middle Deltoid Muscle (Shoulder Joint)
Origin: Acromion Process
Insertion: Deltoid Tuberocity of Humerus
Action:  Abduction
 

Notes:

 
3. 
Identify
 

Posterior Deltoid Muscle (Shoulder Joint)
Origin: Inferior Portion of Spine of the Scapula
Insertion: Deltoid Tuberocity of Humerus
Action:  Extension, Hyperextension, External Rotation, Horizontal Abduction
 

Notes:

 
4. 
Identify
 

Supraspinatus (Shoulder Joint- Rotator Cuff)
Origin: Axillary Border of Scapula
Insertion: Greater Tubercle
Action:  Abduction
 

Notes:

 
5. 
Identify
 

Infranatus (Shoulder Joint-Rotator Cuff)

Origin: Infraspanatus Fossa of Scapula

Insertion: Greater Tubercle

Action: External Rotation, Horizontal Abduction

Notes: Kissing Cousin to Teres Minor-Same Actions

 
6. 
Identify
 

Teres Minor (Shoulder Joint-Rotator Cuff)

Origin: Axillary Border of Scapula

Insertion: Greater Tubercle

Action: External Rotation, Horizontal Abduction

Notes: Kissing Cousn to Infraspinatus

 
7. 
Identify
 

Subscapularis (Shoulder Joint-Rotator Cuff)

Origin:Subscapular Fossa of Scapula

Insertion:Lesser Tubercle

Action: Internal Rotation

Notes: Only rotator cuff muscle to insert on lesser tubercle

 
8. 
Identify
 

Teres Major (Shoulder Joint)

Origin: Axillary Borderof the Scapula Nearthe inferior angle.

Insertion: Crest (below lesser tubercle)

Action: Extension, internal rotation, adduction.

Notes: Interior to Teres Minor, wraps around to anterior portion of humerus.

 
9. 
Identify
 

CoracoBrachialis (Shoulder Joint)

Origin: Coracoid Process of Scapula

Insertion: Medial Surface of Humerus

Action: Stabilizes shoulder joint.  Will ASSIST with shoulder flexion and adduction.

Notes: SYNERGEST

 
10.   

Pectoralis Major Clavicular (Shoulder Joint)

Origin: Medial 1/3 of clavicle

Insertion: Lateral Lip of Bicipital Groove

Action: Shoulder flexion to 90 degrees

Notes:

 
11.   

Pectoralis Major Sternal (Shoulder Joint)

Origin: Sternum & Costa Cartilage of first 6 ribs

Insertion: Lateral Lip of Bicipital Groove

Action: Shoulder extension from 90 to 0 degrees

Notes:

 
12.   

Latissimus Dorsi (Shoulder Joint)

Origin: Spinous Process of T7-L5, Posterior Sacrum & Iliac Crest, Lower 3 ribs, Inferior angle of the Scapula

Insertion: Medial Lip of Bicipital Groove

Action: Shoulder extension from 90 to 0 degrees

Notes: Inserts in groove like the pecs

 
13.   

Upper Trapezius (Shoulder Girdle)

Origin: Occipital Bone and Nuchal Ligament (off Spinous Process of Spine)

Insertion: Lateral 1/3 of Posterior Clavicle and Acromion Process

Action: Scapular Elevation, Upward Rotation, ASSISTS with retraction

Notes:

 
14.   

Middle Trapezius (Shoulder Girdle)

Origin: Spinous Processes of C7-T3-5

Insertion: Superior Portion of Scapular Spine

Action: Retraction

Notes:

 
15. 
Identify
 

Lower Trapezius (Shoulder Girdle)

Origin: Spinous Processes of T6-T12

Insertion: Baseof Spine of Scapula

Action: Depression, Upward Rotation

Notes: In upward rotation, spine of scapula angles downward and shortens lower trap.

 
16.   

Levator Scapulae (Shoulder Girdle)

Origin: Transverse Processes of C1-C4

Insertion: Vertebral border of Scapula between the Superior angle and Spine

Action:  Elevation, Downward Rotation

Notes: Downward rotation moves Superior Angle of Scapula upwards, shortening scapulae muscle

 
17. 
 

Rhomboids (Shoulder Girdle)

Origin: Spinous Processes of C1-T5

Insertion: Vertebral Scapular Border

Action: Depression, Upward Rotation

Notes: In upward rotation, spine of scapula angles downward and shortens lower trap.

 
18.   

Serratus Anterior (Shoulder Girdle)

Origin:  Lateral Surface of Upper 8 ribs.

Insertion: Vertebral Border of Scapula.

Action: Protraction, Upward rotation (prevents winging of Scapula)

Notes: Between Scapula and rib cage

 
19.   

Pectoralis Minor (Shoulder Girdle)

Origin:  Anterior Surface of Ribs 3,4,5

Insertion: Coracoid Process

Action: Protraction, Depression, Downward rotation.

Notes:

 
20.   

Brachialis- "WORK HORSE" (Elbow/Forearm)

Origin: Distal Half of Anterior Humerus

Insertion: Ulnar Tuberocity

Action: Elbow Flexion

Notes:

 
21.   

Biceps Brachii (Elbow/Forearm)

Origin (Long Head): Supraglenoid Tubercle od Scapula.

Origin(Short Head): Coracoid Process of Scapula

Insertion (both): Radial Tuberocity of Humerus (after 2 heads merge into "body")

Action: Elbow Flexion, Supination, (Assiss in Shoulder Flexion)

Notes: Inserts on Radius=sup/pronation Rule.

 
22.   

Triceps Brachii (Elbow/Forearm)

Origin(Long Head): Infraglenoid Tubule of Scapula

Origin(Short Head): Just inferior to Greater Tubercle of Humerus

Origin(Medial): Posterior surface of Humerus

Insertion: Alecranon Process of Ulna (after merging into "head")

Action: Elbow Extension

 

 
23.   

Aconeus(Elbow/Forearm)

Origin: Lateral Epicondyle of Humerus

Insertion: Lateral Inferior Portion of Alecronon Process

Action: Stabilizer

Notes: Prevents Annular Ligament from being pinched inthe Alecranon Fossa (pulls it away)

 
24.   

Pronator Teres (Elbow/Forearm)

Origin: Medial Epicondyle Of Humerus, Coronoid Process of Ulna.

Insertion: Lateral Aspect of Radius

Action: Pronation

Notes: Insert on Radius=sup/pronation rule

 
25.   

Pronator Quadratus (Elbow/Forearm)

Origin: Anterior surface of distal quarter of ulna

Insertion: Anterior surface of the distal quarter of the radius

Action: Pronation

Notes: Insert on Radius=sup/pronation rule

 
26.   

Supinator (Elbow/Forearm)

Origin: Lateral Epicondyle Of Humerus and adjacent Ulna

Insertion: Anterior surface of Proximal Radius

Action: Supination

Notes: Curves from posterior origin to anterior insertion. Insert on Radius=sup/pronation rule

 
27.   

Brachioradialis (Elbow/Forearm)

Origin: Lateral Supracondylar ridge of Humerus

Insertion: Styloid Process of Radius

Action: Elbow Flexion

Notes: EXCEPTION to the Insert on Radius =sup/pronation rule

 
28.   

Flexor Carpi Ulnaris (Wrist)

Origin: Medial Epicondyle of Humerus.

Insertion: Base of 5th Metacarpal & Pisiform (Anterior)

Action: Flexion, Ulnar Deviation

Note: Flexor=Medial Rule, Ulnaris=Ulnar Deviation Rule

 
29.   

Flexor Carpi Radialis (Wrist)

Origin: Medial Epicondyle of Humerus.

Insertion: Base of 2/3rd Metacarpal

Action: Flexion, Radial Deviation

Note: Flexor=Medial Rule, Radialis=Radial Deviation Rule

 
30.   

Palmaris Longus (Wrist)

Origin: Medial Epicondyle

Insertion: Palmar Fascia (connective tissue)

Action: ASSISTS with wrist Flexion

Note: Note everyone has one, Medial=Flexion rule

 
31.   

Extensor Carpi Radialis Longus (Wrist)

Origin: Lateral Supracondylar ridge of Humeus

Insertion: Base of 2nd Metacarpal (Posterior)Action: Wrist Extension, Radial Deviation

Note: Extensor=Lateral Rule, Radialis=Radial Deviation Rule

 
32.   

Extensor Carpi Radialis Brevis (Wrist)

Origin: Laterl Epicondyle of Humerus.

Insertion: Base of 3rd Metacarpal (Posterior)

Action: Wrist Extension.  ASSISTS radial deviation.

Note: Extensor=Lateral Rule, Radialis=Radial Deviation Rule

 
33.   

Extensor Carpi Ulnaris (Wrist)

Origin: Lateral Epicondyle of Humerus

Insertion: Base of 5th Metacarpal (Posterior)

Action: Wrist extension, Ulnar Deviation

Note: Extensor=Lateral Rule, Ulnaris=Ulnar Deviation Rule