Origin (Proximal Attachment) Flashcards
Trapezius
Medial third of superior nuchal line; external occipital protuberance; nuchal ligament; spinous processes of C7-T12 vertebrae
Latissimus Dorsi
Spinous processes of T7-T12; thoracolumbar fascia; iliac crest; inferior 3 or 4 ribs
Rhomboid Major
Spinous processes of T2-T5 vertebrae (i.e. upper thoracic vertebrae)
Rhomboid Minor
Nuchal ligament; spinous processes of C7 and T1
Levator Scapulae
Posterior tubercles of transverse processes of C1-C4 vertebrae
Serratus Posterior
Superior
Nuchal ligament; spinous processes of C7-T3 vertebrae
Serratus Posterior
Inferior
Spinous
processes of
T11-L2
vertebrae
Splenius Capitis
Nuchal ligament and spinous processes of C7-T3 or T4 vertebrae
Splenius Cervicis
Nuchal ligament and spinous processes of C7-T6 vertebrae
Iliocostalis (part of
Erector spinae)
Arises by a broad tendon from posterior part of iliac crest; posterior surface ofsacrum; sacroiliac ligaments; sacral and inferior lumbar spinous processes; supraspinous ligament
Longissimus (part of
Erector spinae)
Arises by a broad tendon from posterior part of iliac crest; posterior surface of sacrum; sacroiliac ligaments; sacral and inferior lumbar spinous processes; supraspinous ligament
Spinalis
Arises by a broad tendon from posterior part of iliac crest; posterior surface of sacrum; sacroiliac ligaments; sacral and inferior lumbar spinous processes; supraspinous ligament; Individual components: - Thoracis: Spinous processes of lower thoracic and upper lumbar vertebrae to L4 -Cervicis: Spinous processes of upper thoracic and lower cervical vertebrae
Transverspinalis
(semispinalis,
multifidus, and
rotatores)
Transverse
processes
Semispinalis
Transverse
processes of
C3-T12
vertebrae
Multifidus
Arises from posterior sacrum and transverse processes of cervical (except C1) through lumbar vertebrae
Rotatores Brevis and
Longus
Arise from transverse processes of vertebrae; best developed in thoracic region
Intertransversarii
Transverse
processes
below insertion
Interspinales
Superior surfaces of spinous processes inferior to insertion
Levatores Costarum (longus and brevis)
Transverse
processes of
C7-T11
Obliquus Capitis
Inferior
Spinous
process of C2
Obliquus Capitis
Superior
Transverse
process of C1
Rectus Capitis
Posterior Major
Spinous
process of C2
Rectus Capitis
Posterior Minor
Posterior
tubercle of C1
Platysma
Fascia covering superior parts of pectoralis major and deltoid muscles
Sternohyoid
Posterior surface of manubrium and medial (sternal) end of clavicle
Omohyoid (inferior
and superior bellies)
Superior Border of scapula medial to suprascapular notch
Sternothyroid
Posterior
surface of the
manubrium
Thyrohyoid
Oblique line of
thyroid
cartilage
Anterior belly of
Digastric
Digastric fossa
of mandible
Posterior belly of
Digastric
Mastoid notch
on mastoid
process of
temporal bone
Mylohyoid
Mylohyoid line
of mandible
Stylohyoid
Styloid process
of temporal
bone
Sternocleidomastoid
Sternal head: anterior surface of manubrium; Clavicular head: medial one third of clavicle
Anterior Scalene
Transverse
processes of
C3-6 vertebrae
Middle Scalene
Transverse
processes of
C2-7 vertebrae
Posterior Scalene
Transverse
processes of
C4-6 vertebrae
Rectus Capitis
Anterior
Transverse
process of C1
(atlas)
Rectus Capitis
Lateralis
Transverse
process of C1
(atlas)
Longus Colli
Anterior tubercle of C1, bodies of C2-3, and transverse processes of C3-6
Longus Capitis
Transverse
processes of
C3-5
External Intercostals
Inferior border
of the superior
rib
Internal Intercostals
Inferior border
of the superior
rib
Innermost
Intercostals
Inferior border
of the superior
rib
Transversus Thoracis
Posterior
surface of
sternum and
xiphoid
Supraspinatus
Supraspinous
fossa of
scapula
Infraspinatus
Infraspinous
fossa of
scapula
Teres Minor
Middle part of
lateral border
of scapula
Subscapularis
Subscapular
fossa of
scapula
Teres Major (NOT part of rotator cuff)
Posterior
surface of
inferior angle
of scapula
Deltoid
Lateral third of clavicle; acromion; spine of scapula
Triceps Brachii
Long Head: infraglenoid tubercle of scapula Lateral Head: posterior surface of humerus, superior radial groove Medial Head: Posterior surface of humerus, inferior to radial groove
Anconeus
Lateral
epicondyle of
humerus
Pectoralis Major
Clavicular head: anterior surface of medial half of clavicle Sternocostal head: anterior surface of sternum; superior 6 costal cartilages
Pectoralis Minor
3rd-5th ribs near
their costal
cartilages
Subclavius
Junction of 1st
rib and its
costal cartilage
Serratus Anterior
External and
lateral surfaces
of 1st-8th or 9th
ribs
Coracobrachialis
Coracoid
process of
scapula
Brachialis
Distal half of
anterior
surface of
humerus
Biceps Brachii
Short head: coracoid process of scapula Long Head: supraglenoid tubercle of scapula
Flexor Carpi Radialis
FCR
Medial epicondyle of humerus (via common flexor tendon)
Palmaris Longus
Medial epicondyle of humerus (via common flexor tendon)
Flexor Carpi Ulnaris
FCU
Humeral Head: Medial epicondyle of humerus (via common flexor tendon) Ulnar Head: olecranon and posterior border of ulna
Flexor Digitorum
Superficialis (FDS)
Humeroulnar head: Medial epicondyle of humerus (via common flexor tendon) Radial head: anterior proximal radius
Flexor Digitorum
Profundus (FDP)
Proximal medial and anterior ulna; interosseous membrane
Flexor Pollicis Longus
FPL
Anterior surface of radius; interosseous membrane
Pronator Quadratus
Distal anterior
ulna
Abductor Pollicis
Brevis
Flexor retinaculum and tubercles of scaphoid and trapezium
Opponens Pollicis
Flexor retinaculum and tubercles of scaphoid and trapezium
Flexor Pollicis Brevis
Flexor retinaculum and tubercles of scaphoid and trapezium
Flexor Digiti Minimi
Hook of
hamate and
flexor
retinaculum
Abductor Digiti
Minimi
Pisiform
Opponens Digiti
Minimi
Hook of
hamate and
flexor
retinaculum
Palmaris Brevis
Palmar
aponeurosis
Adductor Pollicis
Oblique head: base of 2nd & 3 rd metacarpals; trapezoid & capitate Transverse Head: anterior surface of 3rd metacarpal
Lumbricals (1st & 2nd)
Lateral 2
tendons of FDP
(as unipennate
muscles)
Lumbricals (3rd & 4th)
Medial 3
tendons of FDP
(as bipennate
muscles)
Brachioradialis
Lateral
supracondylar
ridge of
humerus
Extensor Carpi
Radialis Longus
Lateral
supracondylar
ridge of
humerus
Extensor Carpi
Radialis Brevis
Lateral epicondyle of humerus (via common extensor tendon)
Extensor Digitorum
ED
Lateral epicondyle of humerus (via common extensor tendon)
Extensor digiti
minimi (if present)
Lateral epicondyle of humerus (via common extensor tendon)
Extensor Carpi
Ulnaris
Lateral epicondyle of humerus (via common extensor tendon); posterior border of ulna
Supinator
Lateral epicondyle of humerus (via common extensor tendon); radial collateral and anular ligaments
Abductor Pollicis
Longus (APL)
Posterior surface of proximal halves of ulna, radius, and interosseous membrane
Extensor Pollicis
Brevis
Posterior surface of distal third of radius and interosseous membrane
Extensor Pollicis
Longus
Posterior surface of middle third of ulna and interosseous membrane
Extensor Indicis
Posterior surface of distal third of ulna and interosseous membrane
Pronator Teres
Ulnar Head: coronoid process of ulna Humeral Head: medial epicondyle of humerus (via common flexor tendon)