Muscles Flashcards
Name the Origin, Insertion, Action, Nerve, and Blood supply for: Serratus Anterior
O: Lateral Ribs 1-9
I: Medial Boarder of Scapula
A: Superior fibers- Elevate, ABD, Down Rot
Inferior fibers - Depress, ABD, Upward Rot
N: Long Thoracic Nerve (C5-C7)
B: Lateral Thoracic Artery
Name the Origin, Insertion, Action, Nerve, and Blood supply for: Pectoralis Minor
O: Anterior Ribs 3-5
I: Coracoid process of scapula
A: Down Rot, Depression, ABD, Anterior tip
N: Lateral Pectoral Nerve (C5-C7) and Medial Pectoral Nerve (C8-T1)
B: Thoracoacromial A
Name the Origin, Insertion, Action, Nerve, and Blood supply for: Subclavius
O: 1st Rib
I: Inferior Clavicle
A: Stabilizes Clavicle
N: Subclavius Nerve (direct branches from C5-C6)
B: Thoracoacromial A
Name the Origin, Insertion, Action, Nerve, and Blood supply for: Trapezius I
O: Occipital bone skull and upper cervical spinous processes (C1-C3)
I: lateral 1/3 clavicle
A: Upward Rot, ADD, Elevation
N: Cranial XI (accessory) and C2-C4 ventral rami
B: Dorsal Scapular A and Suprascapular A
Name the Origin, Insertion, Action, Nerve, and Blood supply for: Trapezius II
O: Lower cervical spinous process (C4-C7)
I: Acromion Process
A: Upward Rot, ADD, Elevation
N: Cranial XI (Accessory) and C2-C4 ventral rami
B: Dorsal Scapular A and Suprascapular A
Name the Origin, Insertion, Action, Nerve, and Blood supply for: Trapezius III
O: Upper Thoracic Spinous Procecc T1-T4
I: Scapular Spine
A: ADD
N: Cranial XI (Acessory) and C2-C4 Ventral rami
B: Dorsal Scapular A and Suprascapular A
Name the Origin, Insertion, Action, Nerve, and Blood supply for: Trapezius IV
O: Lower Thoracic Spinous Process (T5-T12)
I: Medial scapular spine
A: Up Rot, ADD, Depression
N: Cranial XI (Accessory) and C2-C4 ventral rami
B: Dorsal scapular A and Suprascapular A
Name the Origin, Insertion, Action, Nerve, and Blood supply for: Rhomboids Minor
O: Lower Cervical Spinous Processes (C6-C7)
I: Medial Boarder of Scapula
A: Elevation, Down Rot, ADD
N: Dorsal Scapular N (C3-C5)
B: Dorsal Scapular A
Name the Origin, Insertion, Action, Nerve, and Blood supply for: Rhomboids Major
O: Upper Thoracic Spinous Processes (T1-T4)
I: Medial Boarder of Scapula
A: Elevation, Down Rot, ADD
N: Dorsal Scapular N (C3-C5)
B: Dorsal Scapular A
Name the Origin, Insertion, Action, Nerve, and Blood supply for: Levator Scapulae
O: Upper Cervical Transverse Processes C1-C4
I: Superior Angle of Scapula
A: Elevation, Down Rot, Add (small)
N: Dorsal Scapular N (C3-C5)
B: Dorsal Scapular A
Name the Origin, Insertion, Action, Nerve, and Blood supply for: Subscapularis
O: Subscapular fossa
I: Lesser Tuberosity of Humerous
A: IR, Horizontal ADD
N: Upper and Lower Subscapular N (C5-C6)
B: Scapular Arcade
Name the Origin, Insertion, Action, Nerve, and Blood supply for: Supraspinatus
O: Supraspinous Fossa
I: greater Tuberosity of Humerous
A: ABD, (ER)
N: Suprascapular N (C4-C6)
B: Scapular Arcade
Name the Origin, Insertion, Action, Nerve, and Blood supply for: Infraspinatous
O: Infraspinatous fossa
I: Greater Tuberosity of Humerous
A: ER, Horizontal ABD
N: Suprascapular N (C4-C6)
B: Scapular Arcade
Name the Origin, Insertion, Action, Nerve, and Blood supply for:
Teres Minor
O: Lateral Border of Scapula
I: Greater TUberosity of Humerus
A: ER, Horiz ABD, (ADD)
N: Axillary N (C5-C6)
B: Post humeral circumflex A, Circumflex scapular, thoracodorsal A
Name the Origin, Insertion, Action, Nerve, and Blood supply for:
Deltoid
O:Anterior - lateral 1/3 of clavicle
Middle - Acromion
Posterior - Scapular spine
I: Deltoid Tuberosity
A: Anterior- Flex, IR, ADD/ABD (60 degrees), Horiz ADD
Middle- ABD only
Posterior - Ext, ER, ADD/ABD (60 degrees), Horiz ABD
N: Axillary Nerve (C5-C6)
B: Thoracoacromial A, Post/Ant humeral circumflex A
Name the Origin, Insertion, Action, Nerve, and Blood supply for:
Pectoralis Major
O: Clavicular - medial 1/2 of clavicle
Sternal - sternum and 2nd - 6th ribs
(Abdominal) - Ant rectus sheath
I: Lateral border of bicipital groove
A: Clavicular - Flex, Horiz ADD, IR, ADD/ABD (90)
Sternal - Flex (if hyper-ext), Ext (>30 flex), IR, Horiz ADD, ADD, ABD scapula, Down Rot Scapula
N: Medial and Lateral Pectoral N
B: Thoracoacromial A
Name the Origin, Insertion, Action, Nerve, and Blood supply for:
Coracobrachialis
O: Coracoid Process of Scapula
I: Humerus
A: GH- Flex, ADD, Horz ADD, (IR)
N: Musculocutaneous N (C5-C7)
B: Brachial A
Name the Origin, Insertion, Action, Nerve, and Blood supply for
Biceps Brachii
O: Long head- Supraglenoid Tubercle
Short head- Coracoid Process
I: Radial Tuberosity
A: GH- Flex, (ABD), (IR)
Elbow - Flex
RUJ - Supination
N: Musculocutaneous N
B: Brachial A
Name the Origin, Insertion, Action, Nerve, and Blood supply for
Latissiums Dorsi
O: Lower Thoracic Spinous process (T7-T12) and Thoracolumbar fascia
I: Med border bicipital groove
A: IR, ADD, EXT, Horiz ABD
N: Thoracodorsal N
B: Thoracodorsal A
Name the Origin, Insertion, Action, Nerve, and Blood supply for
Teres Major
O: Inferior Angle
I: Medial lip of Bicipital groove
A: IR, ADD, Ext, Horiz ABD
N: Lower subscapular N (C5-C6)
B: Subscapular A
Name the Origin, Insertion, Action, Nerve, and Blood supply for
Triceps Brachii
O: Long - Infraglenoid Tubercle
Lateral - Post humerus (proximal)
Medial - Post humerus (Distal)
I: Olecranon Process
A: Elbow- Ext
GH - Ext, ADD (only long head)
N: Radial N
B: Profunda Brachii A
Name the Origin, Insertion, Action, Nerve, and Blood supply for
Brachialis
O: Ant Distal humerus/ Lateral Septum
I: Ulnar Tuberosity
A: Elbow - flex
N: Musculocutaneous N
B: Brachial A
Name the Origin, Insertion, Action, Nerve, and Blood supply for
Brachioradialis
O: Lateral surface of distal humerus
I: Styloid process of Radius
A: Elbow - Flex (mid-range)
RUJ - Supination/Pronation
N: Radial Nerve (C5-C6)
B: Radial A
Name the Origin, Insertion, Action, Nerve, and Blood supply for
Anconeous
O: Lat epicondlye of humerus
I: Prox lat surface of ulna
A: Elbow - EXT
N: Radial N
B: Profunda Brachii A
Name the Origin, Insertion, Action, Nerve, and Blood supply for::
Pronator Teres
O: Humeral head: med epicondyle of humerus
Ulnar head: coronoid process of ulna
I: Lateral radius mid shaft
A: Pronate and supinate
N: Median N
Name the Origin, Insertion, Action, Nerve, and Blood supply for::
Flexor Carpi Radialis
O: Med epicondyle of humerus
I: base of 2nd MC
A: Wrist: Flex and radially deviate
N: Median N
Name the Origin, Insertion, Action, Nerve, and Blood supply for:
Palmaris Longus
O: Med epicondyle of humerus
I: Palmar Aponeurosis
A: Wrist - flex, tightens palmar aponeurosis
N: Median N
Name the Origin, Insertion, Action, Nerve, and Blood supply for::
Flexor Digitorum Superficialis
O: Med epicondyle humerus, coronoid process, ant prox. radius
I: ant aspect of the middle phalanges 2-5
A: Wrist: Flex
MCP/PIP: Flex
N: Median N
Name the Origin, Insertion, Action, Nerve, and Blood supply for:
Flexor Carpi Ulnaris
O: Humeral head: med epicondyle of humerus
Ulnar head: lateral aspect of coronoid process
I: Pisiform, hook of hamate
A: Wrist: Flex, Ulnar deviate
Elbow: Flex (weak)
N: Ulnar N
Name the Origin, Insertion, Action, Nerve, and Blood supply for
Pronator Quadratus
O: Distal 1/4 of Ant Ulna
I: Distal 1/4 of Ant Radius
A: RUJ - pronate and stabilize distal RUJ
N: Median N (Ant interosseous N)
Name the Origin, Insertion, Action, Nerve, and Blood supply for:
Extensor Carpi Radialis Longus
O: Lateral supracondylar ridge
I: (Dorsal) base of 2nd MC
A: Wrist: Ext, Radially deviate
N: Deep Radial N
Name the Origin, Insertion, Action, Nerve, and Blood supply for:
Extensor Carpi Radialis Brevis
O: Lateral Epicondyle of Humerus
I: (Dorsal) Base of 3rd MC
A: Wrist - Ext
N: Deep Radial N
Name the Origin, Insertion, Action, Nerve, and Blood supply for:
Extensor Carpi Ulnaris
O: Lateral Epicondyle of humerus and dorsal Ulna
I: Base of 5th MC (dorsal)
A: Wrist - Ext, Ulnarly deviate
N: Posterior Interosseous N from Radial N
Name the Origin, Insertion, Action, Nerve, and Blood supply for:
Extensor Digitorum Communis
O: Common ext tendon at lateral epicondyle
I: DIP of phalanges 2-5
A: Wrist- ext
MCP, PIP, DIP - Ext
N: Posterior Interosseous N from Radial N
Name the Origin, Insertion, Action, Nerve, and Blood supply for::
Extensor Digiti Minimi
O: Common ext tendon at lateral epicondyle
I: MIP and PIP of phalanges 5
A: Wrist/PIP/DIP/MCP - Ext
N: Posterior Interosseous N from Radial N
Name the Origin, Insertion, Action, Nerve, and Blood supply for::
Supinator
O: Lat Epicondyle of humerus, lateral olecranon, RCL, and Annular lig
I: Prox anterior radius - between tuberosity of PT insertion
A: RUJ - Supinate
N: Deep Radial N
