Muscle Memory OINA #1

Supraspinatus Orgin

Supraspinous Fossa

Supraspinatus Insertion

Greater Tubercle

Supraspinatus Nerve

Suprascapular Nerve

Supraspinatus Action

Initiates/Assist Deltoid in Abduction + stabilizes

=RCM

Infraspinatus Orgin

Infraspinatous Fosaa

Infraspinatous Insertion

Middle Greater Tubercle

Infraspinatous Nerve

Suprascapular Nerve

Infraspinatous Action

Lateral Rotation, Abduction + Stabilizes

=RCM

Teres Minor Origin

Lateral Border of Scapula

Teres Minor Insertion

Inferior Greater Tubercle

Teres Minor Nerve

Axillary Nerve

Teres Minor Action

Lateral Rotation, Horizontal Abduction + Stabilizes

=RCM

Subscapulars Orgin

Subscapular Fossa

Subscapularis Insertion

Lesser Tubercle

Subscapularis Nerve

Upper/Lower Subscapular Nerve

Subscapularis Action

Medial Rotation + Hold Head of Humerus

Deltoid Oirgin

Lateral 1/3 Clavicle, Acromion + Spine of Scapula

Deltoid Insertion

Deltoid Tuberosity

Deltoid Nerve

Axillary Nerve

Deltoid Action

Flexion/Extension, Medial/Lateral Rotation of Arm + Abducts Arm

Teres Major Origin

Inferior Angle of Scapula

Teres Major Insertion

Medial Intertubercular Groove

Teres Major Nerve

Lower Subscapular Nerve

Teres Major Action

Medial Rotation, Adducts, Extends + Stabilizes

Biceps Brachii

SH= Tip of Coracoid Process

LH= Supraglenoid Tubercle

Biceps Brachii Insertion

Radial Tuberosity + Bicipital Aponeurosis

Biceps Brachii Nerve

Musculocutaneous Nerve

Biceps Brachii Action

Flexes, Supinates Forearm

SH= helps resist shoulder dislocation

Brachialis Origin

Distal Half of Anterior Humerus

Brachialis Insertion

Coronoid Process + Ulnar Tuberosity

Brachialis Nerve

Musculocutaneous Nerve + Radial Nerve

Brachialis Action

Flexes Forearm in ALL positions

Coracobrachialis Origin

Coracoid Process

Coracobrachialis Insertion

Middle 1/3 of Medial Humerus

Coracobrachialis Nerve

Musculocutaneous Nerve

Coracobrachialis Action

Flexion, Adduct Arm + Resist Shoulder Dislocation

Triceps Brachii Origin

LH= Infraglenoid Tubercle

MH= Posterior Humerus, Inferior to Radial Groove

LAH= Posterior Humerus, Superior to Radial Groove

Triceps Brachii Insertion

Olecranon Process + Deep Fascia of Forearm

Triceps Brachii Nerve

Radial Nerve

Triceps Brachii Action

Extension of Forearm

LH= resist dislocation/adduct arm

Anconeus Origin

Lateral Epicondyle

Anconeus Insertion

Lateral Olecranon Process + Superior of Posterior Ulna

Anconeus Nerve

Radial Nerve

Anconeus Action

Assist Triceps in Extending Forearm, Stabilizes Elbow + MAY Abduct during Pronation

Pronator Teres Origin

HH= Medial Epicondyle

UH= Coronoid Process

Pronator Teres Insertion

Middle Lateral of Radius Surface

Pronator Teres Nerve

Median Nerve

Pronator Teres Action

Pronate + Flexes Forearm

Flexor Carpi Radialis Origin

Medial Epicondyle

Flexor Carpi Radialis Insertion

Base of 2-3 Metacarpals

Flexor Carpi Radialis Nerve

Median Nerve

Flexor Carpi Radialis Action

Flexes, Abduct Hand + Pronate Forearm

Palmaris Longus Origin

Medial Epicondyle

Palmaris Longus Insertion

Distal Half of Flexor Retinaculum + Palmar Aponeurosis

Palmaris Longus Nerve

Median Nerve

Palmaris Longus Action

Flexes Hand + Tenses Palmar Aponeurosis

Flexor Carpi Ulnaris Orgin

HH= Medial Epicondyle

UN= Olecranon Process

Flexor Carpi Ulnaris Insertion

Pisiform, Hook of Hamate + 5th Metacarpal

Flexor Carpi Ulnaris Nerve

Ulnar Nerve

Flexor Carpi Ulnaris Action

Flexes + Adducts Hand

Flexor Digitorum Superficial Orign

HUH= Medial Epicondyle + Coronoid Process

RH= Superior Half of Radius (below radial tuberosity)

Flexor Digitorum Superficial Insertion

Shaft of Middle Phalanges 2-5 digits

Flexor Digitorum Superficial Nerve

Median Nerve

Flexor Digitorum Superficial Action

Flexes Middle Phalanges @ proximal IP Joint & MCP Joint

Flexor Digitorum Profundus Origin

M/L= Proximal ¾ of Medial/Anterior Surface of Ulna & Interosseous Membrane

Flexor Digitorum Profundus Insertion

M= Base of Distal Phalanges 4-5 Digits

L= Base of Distal Phalanges 2-3 Digits

Flexor Digitorum Profundus Nerve

M= Ulnar Nerve

L= Anterior Interosseous Nerve from Median Nerve

Flexor Digitorum Profundus Action

M= Flexes Phalanges 4-5 @ Distal IP Joint

L= Flexes Phalanges 2-3 @ Distal IP Joint

Flexor Pollicis Longus Origin

Anterior Surface of Radius & Adjacent Interosseous Membrane

Flexor Pollicis Longus Insertion

Base of Distal Phalanx Thumb

Flexor Pollicis Longus Nerve

Anterior Interosseous Membrane from Median Nerve

Flexor Pollicis Longus Action

Flexes Phalanges of 1st Digit

Pronator Quadratus Orign

Distal ¼ of Anterior Ulna

Pronator Quadratus Insertion

Distal ¼ of Anterior Radius

Pronator Quadratus Nerve

Anterior Interosseous Nerve from Median Nerve

Pronator Quadratus Action

Pronates Forearm + Binds Together Radius/Ulna

Brachioradialis Origin

2/3 of Lateral Supraepicondylar Ridge

Brachioradialis Insertion

Lateral Surface of Distal end of Radius + Proximal to Styloid Process

Brachioradialis Nerve

Radial Nerve

Brachioradialis Action

Flexes Forearm (weak flexor)

Extensor Carpi Radialis Longus Origin

Lateral Supraepicondylar Ridge

Extensor Carpi Radialis Longus Insertion

Dorsal Base of 2nd Metacarpal

Extensor Carpi Radialis Longus Nerve

Radial Nerve

Extensor Carpi Radialis Longus Action

Extends + Abducts Hand

Extensor Carpi Radialis Brevis Origin

Lateral Epicondyle

Extensor Carpi Radialis Brevis Insertion

Dorsal Base of 3rd Metacarpal

Extensor Carpi Radialis Brevis Nerve

Deep Radial Nerve

Extensor Carpi Radialis Brevis Action

Extends + Abducts Hand

Extensor Digitorum Origin

Lateral Epicondyle

Extensor Digitorum Insertion

Extensor Expansion of Digits 2-5

Extensor Digitorum Nerve

Deep Radial Nerve

Extensor Digitorum Action

Extend 2-5 Digits @ MCP Joint & Second @ IP Joint

Extensor Digit Minimi Origin

Lateral Epicondyle

Extensor Digit Minimi Insertion

Extensor Expansion of 5th Digit

Extensor Digit Minimi Nerve

Deep Radial Nerve

Extensor Digit Minimi Action

Extend 5th Digit @ MCP Joint & Second @ IP Joint

Extensor Carpi Ulnaris Origin

Lateral Epicondyle + Posterior Border of Ulna

Extensor Carpi Ulnaris Insertion

Dorsal Base of 5th Metacarpal

Extensor Carpi Ulnaris Nerve

Deep Radial Nerve

Extensor Carpi Ulnaris Action

Extends + Adducts Hand