NMT_FINAL Flashcards
Splenius Cervicis ORIGIN
SPs T3-T6
Splenius Cervicis INSERTION
TPs C1-C3
Slenius Capitis ORIGIN
Inferior 1/2 of Ligamentum Nuchae
SPs C7-T4
Splenius Capitis INSERTION
Mastoid Process
Lateral portion of superior nuchal line
ACTION of Splenius Capitis and Splenius Cervicis
Unilaterally - Rotate the head and neck to the same side
AND Laterally flex the head and neck to the same side
Bilaterally - Extend the head and neck
SCM ORIGIN
STERNAL HEAD:
Top of Manubrium
CLAVICULAR HEAD:
Medial 1/3 of clavicle
SCM INSERTION
Both heads:
Mastoid Process of temporal bone and lateral portion of superior nuchal line of occiput
ACTION of SCM
UNILATERALLY:
Laterally flex the head and neck to the same side
AND rotate the head and neck to the opposite side
BILATERALLY:
Flex the neck
AND assist to elevate the rib cage during inhalation
Levator Scapula ORIGIN
TPs C1-C4
Levator Scapula- INSERTION
Medial border of scapula between superior angle and superior portion of spine of scapula
ACTION of Levator scapula
UNILATERALLY:
- Elevate the scapula
- Downwardly rotate the scapula
- Laterally flex the head and neck to the same side
BILATERALLY:
Extend the head and neck
Trapezius ORIGIN
- EOP
- Medial superior Nuchal line of occiput
- ligamentum nuchae
- SPs C7-T12
Trapezius INSERTION
- Lateral 1/3 of clavicle
- Acromion
- Spine of Scapula
- Tubercle of spine of scapula
UPPER Trapezius ACTION
Extend head and neck Laterally flex head and neck to the same side Rotate head and neck to opposite side Elevate the scapula Upward rotation of scapula
MIDDLE Trapezius ACTION
Adduct the scapula
Stabilize scapula
LOWER Trapezius ACTION
Depress scapula
Upward rotation of scapula
Rhomboids MAJOR - ORIGIN
SPs T2-T5
Rhomboids Major - INSERTION
Medial border of scapula between the spine of scapula and inferior angle
Rhomboids Minor - ORIGIN
SPs C7-T1
Rhomboids Minor - INSERTION
Upper portion of medial border of scapula across from spine of scapula
Rhomboids Major & Minor - ACTION
- Adduct the scapula
- Elevate the scapula
- Downward rotation of scapula
Deltoids ORIGIN
- Lateral 1/3 clavicle
- Acromion
- Spine of scapula
Deltoids INSERTION
Deltoid Tuberosity
Deltoid ACTION
ALL Fibers
Abduct shoulder
Deltoids ACTION
ANTERIOR Fibers
- Flex shoulder
- Medially rotate
- Horizontally Adduct
Deltoid Action
POSTERIOR Fibers
- Extend shoulder
- Laterally rotate shoulder
- Horizontally abduct
Triceps Brachii ORIGIN
Long head
Infraglenoid tubercle of scapula
Triceps Brachii
ORIGIN LATERAL HEAD
Posterior surface of proximal 1/2 of humerus
Triceps Brachii ORIGIN
MEDIAL HEAD
Posterior surface of distal 1/2 of the humerus
Triceps Brachii ALL HEADS INSERTION
Olecranon process of ulna
Triceps Brachii ACTION ALL HEADS
Extend the shoulder
Triceps Brachii ACTIONS
LONG HEAD
- Extend the shoulder
- Adduct the shoulder
Extensor carpi radialis LONGUS ORIGIN
Distal 1/3 of lateral supercondylar ridge of humerus
Extensor carpi radialis LONGUS INSERTION
Base of 2nd metacarpal
Extensor carpi radialis BREVIS ORIGIN
Common extensor tendon from lateral epicondyle of humerus
Extensor carpi radialis BREVIS INSERTION
Base of 3rd metacarpal
Extensor carpi radialis LONGUS AND BREVIS ACTIONS
- Extend the wrist
- Abduct the wrist
Extensor digitorum ORIGIN
Common extensor tendon from the lateral epicondyle of humerus
Extensor digitorum INSERTION
Bases of middle and distal phalanges of 2-5 fingers
Extensor Digitorum ACTION
Extend 2-5 fingers
Extensor Carpi Ulnaris ORIGIN
Common extensor tendon from the lateral epicondyle of humerus
Extensor carpi ulnaris INSERTION
Base of 5th metacarpal
Extensor carpi ulnaris ACTIONS
- Extend the wrist
- Adduct the wrist
Flexor Carpi Radialis ORIGIN
Common flexor tendon from medial epicondyle of humerus
Flexor Carpi Radialis INSERTION
Bases of 2nd and 3rd metacarpals
Flexor Carpi Radialis ACTIONS
- FLEX the wrist
- ABDUCT the wrist
Palmaris Longus ORIGIN
Common flexor tendon from medial epicondyle of humerus
Palmaris Longus INSERTION
Flexor Retinaculum and palmaris aponeurosis
Palmaris Longus ACTIONS
TENSE the palmar fascia
FLEX the wrist
Flexor Carpi Ulnaris ORIGIN HUMERAL HEAD
Common flexor tendon from medial epicondyle of humerus
Flexor Carpi Ulnaris ORIGIN ULNAR HEAD
Posterior surface of proximal 2/3 of ulna
Flexor Carpi Ulnaris INSERTION
- Pisiform
- Hook of the Hamate
- Base of 5th metacarpal
Flexor Carpi Ulnaris ACTIONS
- FLEX the wrist
- ADDUCT the wrist
SUPRASPINATUS ORIGIN
Supraspinous Fossa of the scapula
SUPRASPINATUS INSERTION
Greater tubercle of Humerus
SUPRASPINATUS ACTION
ADDUCT the shoulder
Stabilize the humerus
INFRASPINATUS ORIGIN
Infraspinous Fossa of the scapula
INFRASPINATUS INSERTION
Greater tubercle of humerus
INFRASPINATUS ACTION
Laterally rotate the shoulder
SUBSCAPULARIS ORIGIN
Subscapularis fossa of scapula