Muscle Chart U.E. Flashcards
Trapezius II (Descending)
Origin:
-Lower Cervical C4-C7 Spinous Processes
Insertion:
-Acromion
Action:
- Scapula Upward Rotation
- Scapular Elevation
- Scapular Adduction/Retract
- Ipsilateral Lat Flex Cervical Spine
- Contralateral Rotation Cervical Spine
Innervation:
- Cranial Nerve XI (accessory Nerve)
- Ventral Rami C2-c4
Trapezius III (Transverse)
Origin:
-Upper Thoracic T1-T4 Spinous Processes
Insertion:
-Scapular Spine
Action:
-Scapular Add/Retract
Innervation:
- Cranial Nerve XI Accessory Nerve
- Ventral Rami C2-C4
Trapezius 1 (Descending)
Origin:
- Occipital Bone
- Upper Cervical C1-C3 Spinous Processes
Insertion:
-Lateral Clavicle
Action:
- Scapula Upward Rotation
- Scapular Elevation
- Scapular Adduct/Retraction
- Ipsi-Laterally Laterally Flex Cervical Spine
- Contra-laterally Rotate Cervical Spine
Innervation:
- Cranial Nerve XI (Accessory Nerve)
- Ventral rami C2-C4
Trapezius IV (Ascending)
Origin:
-Lower Thoracic T5-T12 SP
Insertion:
-Medial Scapular Spine
Action:
- Up Rotate Scapula
- Depress Scapula
- Add/Retract Scapula
Innervation:
- Cranial Nerve XI (Accessory Nerve)
- Ventral Rami C2-C4
What is the innervation of all the Trapezius Muscles?
- Cranial Nerve XI (Accessory Nerve)
- Ventral Rami C2-C4
What muscles are innervated by the Dorsal Scapular Nerve?
- Rhomboid Major
- Rhomboid Minor
- Levator Scapulae
Rhomboid Major
Origin:
-Upper Thoracic Spine T1-T4 SP
Insertion:
-Medial Border Scapula below Scapular Spine
Action:
- Add/Retract Scapula
- Elevate Scapula
- Downwardly rotate Scapula
Innervation:
-Dorsal Scapular Nerve
Rhomboid Minor
Origin:
-Lower Cervical C6-C7 SP
Insertion:
-Medial border Scapula Above Scapular Spine
Action:
- Add/Retract Scapula
- Elevate Scapula
- Down Rotate Scapula
Innervation:
-Dorsal Scapular Nerve
Levator Scapulae
Origin:
-Upper cervical C1-C4 Transverse Processes
Insertion:
-Superior Angle Scapula
Action:
- Elevate Scapula
- Down Rotate Scapula
Innervation:
-Dorsal Scapular Nerve
Sternocleidomastoid
Origin:
- Manubrium
- Medial Clavicle
Insertion:
-Mastoid Process Superior Nuchal Line
Action:
- Ipsilateral Lat Flex Cervical Spine
- Contralateral Rotation Cervical Spine
- Extension (Bilateral)
Innervation:
- Cranial Nerve XI (Accessory Nerve)
- Ventral Rami C1-C2
Subclavius
Origin:
-Superior Surface 1st Rib
Insertion:
-Inferior, Lateral Surface of Clavicle
Action:
-Stabilize Clavicle
Innervation:
-Nerve to Subclavius
Pectoralis Minor
Origin:
-Anterior Surface Ribs 3-5
Insertion:
-Coracoid Process Scapula
Action:
- Anteriorly Tip Scapula
- Abduct Protract Scapula
- Down rotate Scapula
- Depress Scapula
Innervation:
- Medial Pectoral Nerve
- Lateral Pectoral Nerves
Serratus Anterior Superior
Origin:
-Lateral Surface Ribs 1-5
Insertion:
-Medial Border Scapula Superior Angle
Action:
- ABD/Protract Scapula
- Down Rotate
- Stabilize Medial Border
- Elevate Scapula
Innervation:
-Long Thoracic Nerve
Serratus Anterior Inferior
Origin:
-Lateral Surface Ribs 5-9
Insertion:
-Medial border Scapula Inferior Angle
Action:
- ABD/Protract Scapula
- Up Rotate
- Stabilize Medial border
- Depress Scapula
Innervation:
-Long Thoracic Nerve
Supraspinatus
Origin:
-Supraspinous Fossa
Insertion:
-Greater Tuberosity Humerus
Action:
- ABD GH Joint
- Externally Rotate GH Joint
Innervation:
-suprascapular Nerve
Infraspinatus
Origin:
-Infraspinous Fossa
Insertion:
-Greater Tuberosity of Humerus
Action:
- ER GH Joint
- Horzontally ABD GH
Innervation:
-Suprascapular Nerve
Teres Minor:
Origin:
-Lateral border of Scapula
Insertion:
-Greater Tuberosity Humerus
Action:
- ER GH
- Horizontally ABD GH
- ADD GH
Innervation:
-Axillary Nerve
Subscapularis
Origin:
-Subscapular Fossa Scapula
Insertion:
-Lesser Tuberosity Humerus
Action:
- IR GH
- Horizontal ADD GH
Innervation:
- Upper Subscapular Nerve
- Lower Subscapular Nerve
Anterior Deltoid
Origin:
-Lateral Clavicle
Insertion:
-Deltoid Tuberosity Humerus
Action:
- ADD GH 60°
- Flex GH
- IR GH
- Horiz ADD GH
Innervation:
-Axillary Nerve
Middle Deltoid
Origin:
-Acromion
Insertion:
-Deltoid Tuberosity Humerus
Action:
-ABD GH
Innervation:
-Axillary Nerve
Posterior Deltoid
Origin:
-Scapular Spine
Insertion:
-Deltoid Tuberosity Humerus
Actions:
- ADD GH 60°
- Extend GH
- ER GH
- Horiz ABD GH
Innervation:
-Axillary Nerve
Latissimus Dorsi
Origin:
- Lower Thoracic Spine T7-T12 SP
- Thoracolumbar Fascia
- Posterior Iliac Crest
- Ribs 9-12
- Inferior Angle Scapula
Insertion:
-Medial border Bicipital Groove
Action:
- ADD GH
- EXT GH
- IR GH
- Horiz ABD GH
- Retract Scapula
- Down rotate Scapula
- Depress Scapula
Innervation:
-Thoracodorsal Nerve
Teres Major
Origin:
-Inferior Angle Scapula
Insertion:
-Medial Border Bicipital Groove
Action:
- ADD GH
- EXT GH
- IR GH
- Horiz ABD GH
Innervation:
-Lower Subscapular Nerve
Pectoralis Major (Clavicular)
Origin:
-Medial Clavicle
Insertion:
-Lateral Border Bicipital Groove
Action:
- IR GH
- Flex GH
- Horiz Add GH
- ADD GH
Pectoralis Major (Sternal)
Origin:
- Sternum
- Costal Cartilage of Ribs 2-6
Insertion:
-Lateral Border Bicipital Groove
Action:
- Ext GH if >30°
- Flex GH
Coracobrachialis
Origin:
-Coracoid Process Scapla
Insertion:
-Medial Humerus
Action:
- Flex GH
- ADD GH
- IR GH
- Horiz ADD GH
Innervation:
-Musculocutaneous Nerve
Triceps Brachii: Long Head
Origin:
-Infraglenoid Tubercle Scapula
Insertion:
-Olecranon
Action:
- Ext Elbow
- Ext GH
- ADD GH
Innervation:
-Radial Nerve
Triceps Brachii: Medial Head
Origin:
-Distal Posterior Surface Humerus
Insertion:
-Olecranon
Action:
-EXT Elbow
Innervation:
-Radial Nerve
Triceps Brachii: Lateral Head
Origin:
-Proximal Posterior surface Humerus
Insertion:
-Olecranon
Action:
-Ext Elbow
Innervation:
-Radial Nerve
Anconeus
Origin:
-Lateral Epicondyle Humerus
Insertion:
-Olecranon
Action:
-Ext Elbow
Innervation:
-Radial Nerve
Coracobrachialis
Origin:
-Coracoid Process Scapula
Insertion:
-Medial Humerus
Action:
- Flex GH
- ADD GH
- IR GH
- Horiz ADD GH
Innervation:
-Musculocutaneous Nerve
Brachialis
Origin:
-Distal Anterior Humerus
Insertion:
-Ulnar Tuberosity
Action:
-Flex Elbow
Innervation:
-Musculocutaneous Nerve
Biceps Brachii: Long Head
Origin:
-Supraglenoid Tubercle Scapula
Insertion:
-Radial Tuberosity
Action:
- Flex Elbow
- Supinate Radio-ulnar Joint
- Flex GH
- ABD GH
- IR GH
Innervation:
-Musculocutanous Nerve
Biceps Brachii: Short Head
Origin:
-coracoid Process Scapula
Insertion:
-Radial Tuberosity
Action:
- Flex Elbow
- Supinate Radio-Ulnar Joint
- Flex GH
- ABD GH
- IR GH
Innervation:
-Musculocutaneous Nerve
Brachioradialis
Origin:
-Lateral Supracondylar Ridge of Humerus
Insertion:
-Styloid Process Radius
Action:
- Flex Elbow
- Pronate/Supinate RU
Innervation:
-Radial Nerve
Extensor Carpi Radialis Longus
Origin:
-Lateral Supracondylar Ridge of Humerus
Insertion:
-Base of 2nd Metacarpal
Action:
- EXT & Radial Deviate Wrist
- Flex Elbow
Innervation:
-Deep Radial Nerve
Extensor Carpi Radialis Brevis
Origin:
-Lateral Epicondyle of Humerus
Insertion:
-Base of 3rd MC
Action:
- EXT & Radial Deviation Wrist
- Flex Elbow
Innervation:
-Deep Radial Nerve
Supinator
Origin:
- Lateral Epicondyle Humerus
- Supinator Crest Ulna
Insertion:
-Lateral Radius
Action:
-Supinate RU
Innervation:
-Deep Radial Nerve
Extensor Digitorum
Origin:
-Lateral Epicondyle Humerus
Insertion:
-Middle and Disstal Phalange 2-5
Action:
- EXT & ABD 2-5 MCP and IPS
- EXT Wrist
Innervation:
-Posterior Interosseous (Radial Nerve)
Extensor Digiti Minimi
Origin:
-Lateral Epicondyle Humerus
Insertion:
-5th Middle and Distal Phalange
Action:
- EXT and ABD 5th MCP and IPS
- EXT Wrist
- Ulnar Deviation
Innervation:
-Posterior Interosseous (Radial Nerve)
Extensor Carpi Ulnaris
Origin:
- Lateral Epicondyle Humerus
- Posterior Ulna
Insertion:
-Base of 5th MC
Action
- Ext Wrist
- Ulnar Deviation Wrist
Innervation:
-Posterior Interosseous (Radial Nerve)
Abductor Pollicis Longus
Origin:
- Posterior Radius
- Posterior Ulna
- Interosseous Membrane
Insertion:
-Base of 1st MC
Action:
- ABD 1st Carpmetacarpal (CMC)
- Radial Deviation
Innervation:
-Posterior Interosseous (Radial Nerve)
Extensor Pollicis Brevis
Origin:
- Posterior Radius
- Interosseous Membrane
Insertion:
-Base of 1st Proximal Phalanx
Action:
- EXT 1st CMC and MCP
- Wrist EXT
- Radial Deviation
Innervation:
-Posterior Interosseous (Radial Nerve)
Extensor Pollicis Longus
Origin:
- Posterior Ulna
- IO membrane
Insertion:
-Base of 1st Distal Phalanx
Action:
- EXT 1st CMC
- EXT 1st MCP
- EXT 1st IPS
- ADD CMC
- EXT Wrist
- Radial Deviation
Innervation:
-Posterior Interosseous (Radial Nerve)
Extensor Indicis
Origin:
- Posterior Ulna
- IO Membrane
Insertion:
-2nd Middle and distal Phalanges
Action:
- EXT 2nd MCP
- EXT 2nd PIP
- EXT 2nd DIP
- EXT Wrist
Innervation:
-Posterior Interosseous (Radial Nerve)
Pronator Teres
Origin:
- Medial Epicondyle Humerus
- Coronoid Process Ulna
Insertion:
-Lateral Surface of Radius
Action:
- Pronate RU Joint
- Flex Elbow
Innervation:
-Median Nerve
Flexor Digitorum Superficialis
Origin:
- Media Epicondyle Humerus
- Coronoid Process Ulna
Insertion:
-Side of Middle Phalanges 2-5
Action:
- Flex 2-5 MCP
- Flex 2-5 PIPs
- Flex Wrist
- Flex Elbow
Innervation:
-Median Nerve
Flexor Carpi Radialis
Origin:
-Medial Epicondyle Humerus
Insertion:
-Base of 2nd MC
Action:
- Flex Wrist
- Radial Deviation
Innervation:
-Median Nerve
Flexor Carpi Ulnaris
Origin:
- Medial Epicondyle Humerus
- Olecranon
Insertion:
- Pisiform
- Hook of Hamate
Action:
- Flex Wist
- Ulnar Deviation
Innervation:
-Ulnar Nerveq
Palmaris Longus
Origin:
-Medial Epicondyle Humerus
Insertion:
-Palmar Aponeurosis
Action:
- Flex Wrist
- Tighten Palmar Aponeurosis
- Flex Elbow
Innervation:
-Median Nerve
