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132 Cards in this Set

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Origin:
Pectoralis Major
Ventral surface of the sternum down to the seventh rib, sternal half of clavicle, cartilage of true ribs and aponeurosis of the external oblique muscle
Insertion:
Pectoralis Major
Lateral lip of the intertubercular groove of the humerous
Action:
Pectoralis Major
Adducts and medially rotates arm, clavicular head flexes humerus, sternal head extends humerus, and with insertion fixed it assists in elevation of the thorax
Trigger Points:
Pectoralis Major
In the belly for each portion of the muscle
Referred Pain Pattern:
Pectoralis Major
Chest and breast down to the ulnar aspect of the arm to the fourth and fifth fingers
The muscles that pulls the thorax up to the fixed arm position in "pull ups"
Pectoralis Major
Synergists:
Pectoralis Major
Sternal division: latissimus dorsi, subscapularis, teres major

Clavicular Division: biceps brachii, latissimus dorsi, deltoid
Origin:
Pectoralis Minor
Anterior surfaces of the third through fifth ribs
Insertion:
Pectoralis Minor
Coracoid process of the scapula
Action:
Pectoralis Minor
With ribs fixed, it darws the scapula forward and downward, and with scapula fixed, it draws the rib cage superiorly
Trigger points:
Pectoralis Minor
near the insertion at ther bis and at the coracoid process
Referred Pain Pattern:
Pectoralis Minor
Front of the chest and down the ulnar side of the arm and mimics the symptoms of angina
Synergists:
Pectoralis Minor
Pectoralis Major & Serratus Anterior
Origin:
Serratus Anterior
Outer surfaces and superior borders of the first eight or nine ribs
Insertion:
Serratus Anterior
Anterior surface of the medial border of the scapula
Action:
Serratus Anterior
Abducts and protracts the scapula, rotates it so that the glenoid cavity faces cranially. It also holds the scapula firmly against the thorax (rib cage)
This muscle is important in horizontal arm movement such as pushing and punching. Also known as the "boxers muscle."
Serratus Anterior
Trigger Points:
Serratus Anterior
Along the midaxillary line near the ribs.
Referred Pain Pattern:
Serratus Anterior
Along the side and back of chest and down the ulnar aspect of the arm into the hand
Synergists:
Serratus Anterior
Pectoralis Minor
Origin:
Trapezius
Medial third of superior nuchal line, external occipital protuberance, ligamentum nuchae, spinous process of the seventh cervical and all thoracic vertebrae
Insertion:
Trapezius
Lateral third of clavicle, acromion process and spoine of scapula
Action:
Trapezius
Stabilizes, raises, retracts, and rotates the scapula. The superior fibers elevate, the middle fibers retract, and the inferior fibers depress the scapula. Together the upper and lower fibers rotate the arm
Trigger Points:
Trapezius
In the belly of the muscle near its points of attachment to the scapula.
Referred Pain Pattern:
Trapezius
In the neck to the ear and the temple and also in the subscapular area.
Synergists:
Trapezius
Levator scapulae, clavicular head of the sternocleidomastoid, rhomboids
Origin:
Levator Scapulae
Transverse processes of the first four cervical vertebrae
Insertion:
Levator Scapulae
Vertebral border of the scapula between the superior angle and the spine
Action:
Levator Scapulae
Raises scapula and draws it medially. With the scapula fixed, bends the neck laterally and rotates it to the same side (shoulder shrugging)
Trigger Points:
Levator Scapulae
At the belly of the muscle just as it begins its rotation and at the attachment point of the scapula
Referred Pain Pattern:
Levator Scapulae
Along the angle of the neck and the vertebral border of the scaplua.
Synergists:
Levator Scapulae
Rhomboids and trapezius
Antagonist:
Levator Scapulae
Latissimus dorsi
Origin:
Rhomboids Major
Spinous process of the second through fifth thoracic vertebrae
Insertion:
Rhomboids Major
Medial border of scapula between the spoine and the inferior angle
Action:
Rhomboids Major
Adducts, retracts, elevates, and rotates the scapula so that the glenoid cavity faces downward and stabilizes the scapula
Trigger Points:
Rhomboid Major
At the attachment point near the scapula border
Synergists:
Rhomboid Major
-Trapezius
-Levator Scapulae
-Rhomboid Minor
-Latissimus dorsi
Origin:
Rhomboid Minor
Spinous process of the seventh cervical and first thoracic vertebrae
Insertion:
Rhomboid Minor
Medial border of the scapula at the root of the spine
Action:
Rhomboid Minor
Retracts and stabilizes the scapula, elevates the vertebral border, and rotates the scapula to depress the inferior angle
Synergists:
Rhomboid Minor
- Trapezius
- Levator Scapulae
- Rhomboid Major
- Latissimus Dorsi
Origin:
Latissimus Dorsi
Indirect attachment through lumbodorsal fascia into spinous process of lower six thoracic and lumbar vertebrae, lower three to four ribs, and illiac crest
Insertion:
Latissimus Dorsi
In floor of intertubercular groove of humerus
Action:
Latissimus Dorsi
Extends, adducts, and medially rotates the arm; draws the shoulder downward and backward
The muscle important in bringing the arm down in a power stroke as in hammering, swimming, and rowing
Latisimus Dorsi
Trigger Points:
Latissimus Dorsi
In the belly of the muscle near the rib attachments
Referred Pain Pattern:
Latissimus Dorsi
Below the scapula and into the ulnar side of the arm and the abdominal oblique area
Synergists:
Latissimus Dorsi
- Rhomboids
- Pectoralis Major
- Teres Major
Muscle can also act as an accessory muscle of respiration
Latissimus Dorsi
Origin:
Deltoid
Anterior portion- superior surface of lateral third of clavicle

Middle portion - lateral border of acromion process of scapula

Posterior portion - lower border of the crest of the spoine of the scapula
Insertion:
Deltoid
Deltoid tuberosity of the humerus
Action:
Deltoid
Anterior portion - flexion and medial rotation of the arm

Middle portion - abducts the arm

Posterior portion - extendes and laterally rotates the arm
Shoulder muscle used as a prime injection site. Active during rhythmic arm swinging movements involved in walking
Deltoid
Trigger Points:
Deltiod
Belly of muscle
Referred Pain Pattern:
Deltoid
In the deltoid region and down the lateral surface of the arm.
Synergists:
Deltoid
- Supraspinatus
- Clavicular division of the pectoralis major
Antagonist:
Deltoid
- Latissimus Dorsi
- Pectoralis Major
(both antagnoistic during adduction)
Origin:
Supscapularis
Subscapular fossa of the scapula
Insertion:
Subscapularis
Lesser tubercle of the humerus and the ventral part of the capsule of the shoulder joint
Action:
Subscapularis
Medially rotates and stabilizes the head of the humerus in the glenoid cavity
The rotator cuff muscle that is often associated with "frozen shoulder syndrome"
Subscapularis
Rotator Cuff Muscles (4)
-Subscapularis
-Supraspinatus
-Infraspinatus
-Teres minor
Trigger Points:
Infraspinatus
in the belly of the muscle below the spine of the scapula and near the medial border of the scapula
Referred Pain Pattern:
Infraspinatus
Deep into the shoulder and deltoid area down into the arm.
Synergists:
Infraspinatus
- Teres Minor
- Subscapularis
- Supraspinatus
- Deltoid
Trigger Points:
Subscapularis
Near the atatchment of the humerus and in its belly
Referred Pain Pattern:
Subscapularis
Posterior deltoid, triceps region down to the wrist
Synergists:
Subscapularis
- Teres Major
- Pectoralis Major
- Latissimus Dorsi
Origin:
Supraspinatus
Supraspinous fossa of the scapula
Insertion:
Supraspinatus
Superior part of the greater tubercle of the humerus and the capsule of the shoulder joint
Action:
Supraspinatus
Abducts the arm and acts to stablilze the humeral head in the glenoid cavity during movements of the shoulder joint. (Rotator cuff muscle)
Trigger Points:
Supraspinatus
Near the tendons and in the belly of the muscle
Referred Pain Pattern:
Supraspinatus
Deep in the shoulder and down the arm to the elbow
Synergist:
Supraspinatus
Deltoid
Origin:
Infraspinatus
Infraspinous fossa of the scapula
Insertion:
Infraspinatus
Middle part of the greater tubercle of the humerus and the capsule of the shoulder joint
Action:
Infraspinatus
Lateral rotation of the shoulder and acts to stabilize the humeral head in the glenoid cavity. (Rotator Cuff Muscle)
Origin:
Teres Major
Lower third of the posterior surface of the lateral border of the scapula
Insertion:
Teres Major
Medial lip of the bicipital (intertubercular) groove of the humerus
Action:
Teres Major
Medially rotates and adducts the arm
Trigger Points:
Teres Major
Near both attachments
Referred Pain Pattern:
Teres Major
In the posterior deltoid region and down the dorsal surface of the arm
Synergists:
Ters Major
- Latissimus dorsi
- Subscapularis
Origin:
Teres Minor
Upper two thirds of the dorsal surface of the axillary border of the scapula
Insertion:
Teres Minor
The capsule of the shoulder joint and the inferior part of the greater tubercle of the humerus
Action:
Teres Minor
Laterall rotates the arm and draws the humerus toward the glenoid cavity
Trigger Point:
Teres Minor
In the belly of the muscle near its point of attachment.
Referred Pain Pattern:
Teres Minor
In the deltoid region.
Synergists:
Teres Minor
-Infraspinatus
-Subscapularis
Origin:
Coracobrachialis
Tip of coracoid process of scapula
Insertion:
Coracobrachialis
Anteromedial surface of the middle of the humerus shaft opposite the deltiod tuberosity
Action:
Corachobrachialis
Flexion and adduction of the humerus
Trigger Point:
Coracobrachialis
Near the coracoid attachment
Referred Pain Pattern:
Coracobrachialis
Down the triceps and dorsal forearm into the hand
Synergists:
Coracobrachialis
- Pectoralis major
- Biceps Brachii
- Deltoid
Origin:
Biceps Brachii
Long Head- Supraglenoid tubercle of the scapula

Short Head - Tip of the coracoid process of the scapula
Insertion:
Biceps Brachii
Radial tuperosity and into aponeurosis of flexor muscles of lower arm
Action:
Biceps Brachii
Flexes and supinates the forearm
Trigger Points:
Biceps Brachii
In the belly of each of the two heads of the muscle
Referred Pain Pattern:
Biceps Brachii
Found in the front of the shoulder and into the antecubital space
Synergists:
Biceps Brachii
- Brachialis
- Brachioradialis
- Supinator
Angatonists:
Biceps Brachii
- Triceps brachii
- Anconeus
Origin:
Brachialis
Distal half of the anterior surface of the humerus
Insertion:
Brachialis
Coronoid process and tuberosity of ulna
Action:
Brachialis
Flexes elbow
Trigger points:
Brachialis
In the belly of the muscle
Referred Pain Pattern:
Brachialis
Primarily in the lower arm to the thumb.
Synergists:
Brachialis
- Biceps Brachii
- Brachioradialis
Antagonists:
Brachialis
- triceps brachii
- anconeus
Origin:
Brachioradialis
Proximal two-thirds of the lateral supracondylar ridge of humerus
Insertion:
Brachioradialis
Lateral side of the base of the styloid process of radius
Action:
Brachioradialis
Flexes the elbow. Assists in pronation and supination of the forearm to the midposition.
Muscle used to stabilize the elbow during rapid flexion and extension while in a midposition, such as in hammering.
Brachioradialis
Trigger Point:
Brachioradialis
Belly of muscle
Referred Pain Pattern:
Brachioradialis
From the wrist and base of the thumb and index finger to the lateral epicondyle of the humerus
Synergists:
Brachioradialis
- Brachialis
- Biceps brachii
Antagonists:
Brachioradialis
- Triceps brachii
- Anconeus
Origin:
Triceps Brachii
Long Head - infraglenoid tubercle of the scapula.

Medial Head - distal two thirds of the medial and posterio surfaces of the humerus

Lateral head - upper half of the posterior surface of the humerus
Insertion:
Triceps Brachii
Posterior surface of the olecranon process of the ulna (elbow!)
Action:
Triceps Brachii
Extends the forearm and the tendon of the long head and helps stabilize the shoulder joint
The only muscle in the posterior upper arm.
Triceps brachii
Trigger Points:
Triceps Brachii
In the belly of each head of the muscle
Referred Pain Pattern:
Triceps Brachii
Entire length of the posterior surface of the arm
Synergists:
Triceps Brachii
Anconeus
Antagonist:
Triceps Brachii
- Biceps brachii
- Brachialis
Origin:
Anconeus
Posterior surface of the lateral epicondyle of the humerus
Insertion:
Anconeus
Lateral surface of the olecranon process and posterior proximal surface of the ulna
Action:
Anconeus
Extends the forearm and stabilizes the elbow joint
Referred pain pattern:
Anconeus
Elbow
Synergists:
Anconeus
Triceps brachii
Antagonists:
Anconeus
- Biceps brachii
- brachioradialis
- brachialis