Muscles Quiz Flashcards
Sternocleidomastoid- Insertion
Mastoid process
Sternocleidomastoid- Origin
Sternum; clavicle
Sternocleidomastoid- B Actions
Upper Cx E; lower Cx F
Sternocleidomastoid- U Actions
Ipsilateral LF; contralateral axial rotn
Sternocleidomastoid- Innervation
CN XI (spinal root of accessory)
Trapezius
(upper fibres)- Origin
Nuchal lines; external occipital protuberance; ligamentum nuchae
Trapezius
(upper fibres)- Insertion
Lateral 1/3 clavicle
Trapezius
(upper fibres)- B Actions
E of head and neck
Trapezius
(upper fibres)- U Actions
Ipsilateral LF of head & neck; contralateral rotn
Trapezius
(upper fibres)- Innervation
CN XI (spinal root of accessory)
Levator scapulae- Origin
C1-C4 transverse processes
Levator scapulae- Insertion
Medial angle of scapula
Levator scapulae- B Actions
Neck E
Levator scapulae- U Actions
Ipsilateral LF of neck; ipsilateral rotn of neck
Levator scapulae- Innervation
Ventral rami of C3-5
Rectus capitis anterior- Origin
Anterior to occipital condyle
Rectus capitis anterior- Insertion
anterior lateral mass of C1
Rectus capitis lateralis- Origin
Occipital bone
Rectus capitis lateralis- Insertion
C1 transverse process
Longus capitis- Origin
Mid & low cervical transverse processes
Longus capitis- Insertion
Basilar part occipital bone
Longus capitis- Actions
Head & upper Cx F
Longus capitis- Innervation
Ventral rami of cervical nerves
Longus colli (cervicis)- Origin (Lower part)
Upper thoracic vertebral bodies
Longus colli (cervicis)- Insertion (Lower part)
Lower cervical transverse processes
Longus colli (cervicis)- Origin (Vertical part)
Lower cervical vert bodies
Longus colli (cervicis)- Insertion (Vertical part)
Mid cervical vertebral bodies
Longus colli (cervicis)- Origin (Upper part)
Mid cervical transverse processes
Longus colli (cervicis)- Insertion (Upper part)
Upper cervical vertebral bodies
Longus colli (cervicis)- Actions
Neck (cervical) F
Longus colli (cervicis)- Innervation
Ventral rami of cervical nerves
Anterior scalene- Origin
Cervical transverse processes
Anterior scalene- Insertion
Anterior 1st rib
Anterior scalene- B Actions
Neck F
Anterior scalene- U Actions
Ipsilateral LF; contralateral rotn
Anterior scalene- Innervation
Ventral rami of cervical nerves
Middle scalene- Origin
Cervical transverse processes
Middle scalene- Insertion
Lateral 1st rib
Middle scalene- B Actions
Neck F
Middle scalene- U Actions
Ipsilateral LF
Middle scalene- Innervation
Ventral rami of cervical nerves
Posterior scalene- Origin
Cervical transverse processes
Posterior scalene- Insertion
Lateral 2nd rib
Posterior scalene- B Actions
Neck F
Posterior scalene- U Actions
Ipsilateral LF
Posterior scalene- Innervation
Ventral rami of cervical nerves
Rectus capitis posterior minor- Origin
Posterior tubercle C1
Rectus capitis posterior minor- Insertion
Occipital bone
Rectus capitis posterior minor- B Actions
Head & upper Cx E
Rectus capitis posterior minor- U Actions
Head & upper Cx ipsilateral rotn
Rectus capitis posterior minor- Innervation
Suboccipital nerve (dorsal ramus of C1)
Rotatores thoracis- Origin
Transverse processes
Rotatores thoracis- Insertion
Spinous processes 1-2 levels above
Rotatores thoracis- Actions
Proprioception; segmental control
Rotatores thoracis- Innervation
Medial branch of dorsal rami
Rectus capitis posterior major- Origin
C2 spinous process
Rectus capitis posterior major- Insertion
Occipital bone
Rectus capitis posterior major- B Action
Head & upper Cx E
Rectus capitis posterior major- U Actions
Head & upper Cx ipsilateral rotn
Rectus capitis posterior major- Innervation
Suboccipital nerve (dorsal ramus of C1)
Obliquus capitis superior- Origin
C1 transverse process
Obliquus capitis superior- Insertion
Lateral occipital bone
Obliquus capitis superior- B Actions
Head & upper Cx E
Obliquus capitis superior- U Actions
Head & upper Cx ipsilateral rotn
Obliquus capitis superior- Innervation
Suboccipital nerve (dorsal ramus of C1)
Obliqqus capitis inferior- Origin
C2 spinous process
Obliqqus capitis inferior- Insertion
C1 transverse process
Obliqqus capitis inferior- B Actions
Head & upper Cx E
Obliqqus capitis inferior- U Actions
Head & upper Cx ipsilateral rotn
Obliqqus capitis inferior- Innervation
Suboccipital nerve (dorsal ramus of C1)
Multifidus thoracis- Origin
Medial transverse process
Multifidus thoracis- Insertion
Caudal edge of a T spinous process & lamina
Multifidus thoracis- B Actions
Thoracic E
Multifidus thoracis- Innervation
Medial branch of dorsal rami
Multifidus lumborum- Origin
Lumbar mammillary processes, PSIS & sacrum
Multifidus lumborum- Insertion
Caudal edge of a L spinous process & lamina
Multifidus lumborum- B Action
Lumbar E (maintain lumbar lordosis)
Multifidus lumborum- Innervation
Medial branch of dorsal rami
Semispinalis capitis- Origin
C7-T6 transverse processes
Semispinalis capitis- Insertion
Between nuchal lines & ligamentum nuchae
Semispinalis capitis- B Actions
Head E
Semispinalis capitis- Innervation
Medial branch of dorsal rami
Semispinalis cervicis- Origin
T1-6 transverse processes
Semispinalis cervicis- Insertion
Mid cervical spinous processes
Semispinalis cervicis- B Actions
Neck E
Semispinalis cervicis- Innervation
Medial branch of dorsal rami
Semispinalis thoracis- Origin
Lower Tx transverse processes
Semispinalis thoracis- Insertion
C7 & upper Tx spinous processes
Semispinalis thoracis- B Actions
Thoracic E
Semispinalis thoracis- Innervation
Medial branch of dorsal rami
Spinalis cervicis- Origin
C7-T2 spinous processes
Spinalis cervicis- Insertion
C2 spinous processes
Spinalis cervicis- B Actions
Neck E
Spinalis cervicis- Innervation
Lateral branch of dorsal rami
Spinalis thoracis- Origin
Lower T spinous processes
Spinalis thoracis- Insertion
Upper T spinous processes
Spinalis thoracis- B Actions
Thoracic E
Spinalis thoracis- Innervation
Lateral branch of dorsal rami
Longissimus capitis- Origin
Upper T & lower C transverse processes
Longissimus capitis- Insertion
Mastoid process
Longissimus capitis- B Actions
Neck E
Longissimus capitis- U Actions
Head ipsilateral LF
Longissimus capitis- Innervation
Lateral branch of dorsal rami
Longissimus cervicis- Origin
Upper T transverse processes
Longissimus cervicis- Insertion
C2-6 transverse processes
Longissimus cervicis- B Actions
Neck E
Longissimus cervicis- U Actions
Neck ipsilateral LF
Longissimus cervicis- Innervation
Lateral branch of dorsal rami
Longissimus thoracis pars thoracis- Origin
L3-5 spinous processes & sacrum
Longissimus thoracis pars thoracis- Insertion
T1-12 transverse processes
Longissimus thoracis pars thoracis- B Actions
T/L E + posterior shear
Longissimus thoracis pars thoracis- U Actions
T/L ipsilateral LF
Longissimus thoracis pars thoracis- Innervation
Lateral branch of dorsal rami
Longissimus thoracis pars lumborum- Origin
Medial PSIS
Longissimus thoracis pars lumborum- Insertion
Accessory processes & medial lumbar transverse process
Longissimus thoracis pars lumborum- B Actions
L E + posterior shear
Longissimus thoracis pars lumborum- U Actions
Ipsilateral LF
Longissimus thoracis pars lumborum- Innervation
Intermediate branch of dorsal rami
Iliocostalis cervicis- Origin
Rib angles T3-6
Iliocostalis cervicis- Insertion
Lower C transverse processes
Iliocostalis cervicis- B Actions
Lower C E
Iliocostalis cervicis- U Actions
Ipsilateral LF & rotn
Iliocostalis cervicis- Innervation
Lateral branch of dorsal rami
Iliocostalis thoracis- Origin
Rib angles of lower ribs
Iliocostalis thoracis- Insertion
C7 transverse processes & rib angles of upper ribs
Iliocostalis thoracis- B Actions
E
Iliocostalis thoracis- U Actions
Ipsilateral LF
Iliocostalis thoracis- Innervation
Lateral branch of dorsal rami
Iliocostalis lumborum pars thoracis- Origin
Ilium & sacrum
Iliocostalis lumborum pars thoracis- Insertion
Lower 8 ribs
Iliocostalis lumborum pars thoracis- B Actions
T/L E
Iliocostalis lumborum pars thoracis- U Actions
Ipsilateral T/L LF & derotn
Iliocostalis lumborum pars thoracis- Innervation
Lateral branch of dorsal rami
Iliocostalis lumborum pars lumborum- Origin
Lateral PSIS & medial iliac crest
Iliocostalis lumborum pars lumborum- Insertion
Tips of L transverse processes & TLF
Iliocostalis lumborum pars lumborum- B Actions
L E + posterior shear
Iliocostalis lumborum pars lumborum- U Actions
Ipsilateral LF
Iliocostalis lumborum pars lumborum- Innervation
Lateral branch of dorsal rami
Splenius capitis- Origin
Ligamentum nuchae & upper T spinous processes
Splenius capitis- Insertion
Mastoid process
Splenius capitis- B Actions
Head E
Splenius capitis- U Actions
Head ipsilateral LF & rotn
Splenius capitis- Innervation
Dorsal rami of cervical spinal nerves
Splenius cervicis- Origin
Mid thoracic spinous processes
Splenius cervicis- Insertion
C1-4 transverse processes
Splenius cervicis- B Actions
Neck E
Splenius cervicis- U Actions
Neck ipsilateral LF & rotn
Splenius cervicis- Innervation
Dorsal rami of cervical spinal nerves
Sternocleidomastoid- P Attachment
Manubrium & medial clavicle
Sternocleidomastoid- D Attachment
Mastoid process & lateral superior nuchal line
Sternocleidomastoid- Innervation
Motor spinal part of accessory N
CN XI
Sternocleidomastoid- Actions
Moves head & neck
Upper cervical E & lower cervical F
Upper trapezius- P Attachment
Medial superior nuchal line &
external occipital protuberance
Upper trapezius- D Attachment
Lateral clavicle
Upper trapezius- Innervation
Motor spinal part of accessory N
CN XI
Upper trapezius- Actions
Clavicular elevation; Scapular
elevation/Adduction/ Upward rotation
Middle trapezius- P Attachment
Ligamentum nuchae & C7-T12
spinous processes
Middle trapezius- D Attachment
Acromion process & spine of scapula
Middle trapezius- Innervation
Motor spinal part of accessory N
CN XI
Middle trapezius- Actions
Scapular retraction/adduction
Lower trapezius- D Attachment
Medial spine of scapula
Lower trapezius- Innervation
Motor spinal part of accessory N
CN XI
Lower trapezius- P Attachment
Scapular retraction/adduction
Subclavius- P Attachment
1strib
Subclavius- D Attachment
Inferior medial 1/3 clavicle
Subclavius- Innervation
Nerve to subclavius
Subclavius- Actions
Pulls clavicle medially to stabilise SC joint
Levator scapulae- P Attachment
C1-4 transverse processes
Levator scapulae- D Attachment
Medial border scapula above medial spine of scapula
Levator scapulae- Innervation
C3,4 ventral rami
+Dorsal scapular N C5
Levator scapulae- Actions
Scapular elevation, adduction
& downward rotation
Rhomboid minor- P Attachment
Ligamentum nuchae, C7&T1
Rhomboid minor- D Attachment
Medial border scapula medial spine of scapula
Rhomboid minor- Innervation
Dorsal scapular N C5
Rhomboid minor- Innervation
Dorsal scapular N C5
Rhomboid minor- Actions
Scapular elevation/adduction/downward rotation
Rhomboid major- P Attachment
T2-5 spinous processes
Rhomboid major- D Attachment
Medial border scapula below medial spine of scapula
Rhomboid major- Innervation
Dorsal scapular N C5
Rhomboid major- Actions
Scapular elevation/adduction/downward rotation
Serratus anterior- P Attachment
Anterolateral ribs 1-10
Serratus anterior- D Attachment
Medial, ventral border of scapula
Serratus anterior- Innervation
Long thoracic N C5,6,7
Serratus anterior- Actions
Scapular protraction/abduction,
upward rotn
Pectoralis minor- P Attachment
Anterior ribs 3-5
Pectoralis minor- D Attachment
Coracoid process
Pectoralis minor- Innervation
Medial & lateral
pectoral nerves
Pectoralis minor- Actions
Scapular anterior tilt
Pectoralis major
(sternocostal head)- P Attachment
Sternum & 1stto 7thcostal cartilages
Pectoralis major
(sternocostal head)- D Attachment
Lateral lip intertubercular sulcus of humerus
Pectoralis major
(sternocostal head)- Innervation
Medial & lateral pectoral nerves
Pectoralis major
(sternocostal head)- Actions
E, medial rotn, horizontal F
Pectoralis major
(clavicular head)- P Attachment
Medial 2/3 clavicle
Pectoralis major
(clavicular head)- D Attachment
Lateral lip intertubercular sulcus of humerus
Pectoralis major
(clavicular head)- Innervation
Medial & lateral pectoral
nerves
Pectoralis major
(clavicular head)- Actions
F, Medial rotn, horizontal F
Latissimus dorsi- P Attachment
T7-12, lumbar & sacral
spinous processes,
posterior iliac crest & lower 3 ribs
Latissimus dorsi- D Attachment
Intertubercular sulcus =/- inferior angle of scapula
Latissimus dorsi- Innervation
Thoracodorsal N C6-8
Latissimus dorsi- Actions
E, Add, medial rotn
Anterior deltoid- P Attachment
Lateral 1/3 clavicle
Deltoid- D Attachment
Deltoid tuberosity
Deltoid- Innervation
Axillary N C5,6
Anterior deltoid- Actions
F / ABD / horiz F
Middle deltoid- P Attachment
Acromion process
Anterior deltoid- Actions
ABD (F)
Posterior deltoid- P Attachment
Spine of scapula
Posterior deltoid- Actions
E / horiz E
Suprasupinatus- P Attachment
Supraspinous fossa of
scapula
Suprasupinatus- D Attachment
Greater tubercle of
humerus
Suprasupinatus- Innervation
Suprascapular N C5,6
Suprasupinatus- Actions
GHJ Abd & stabilisation
Infraspinatus- P Attachment
Infraspinous fossa of
scapula
Infraspinatus- D Attachment
Greater tubercle of
humerus
Infraspinatus- Innervation
Suprascapular N C5,6
Infraspinatus- Actions
GHJ lateral rotation & stabilisation
Teres minor- P Attachment
Lateral dorsal scapula
Teres minor- D Attachment
Greater tubercle of
humerus
Teres minor- Innervation
Axillary N C5,6
Subscapularis- P Attachment
Subscapular fossa
Subscapularis- D Attachment
Lesser tubercle of humerus
Subscapularis- Innervation
Upper & lower
subscapular N C5,6,7
Subscapularis- Actions
GHJ medial rotation & stabilisation
Teres major- P Attachment
Dorsal inferior angle of
scapula
Teres major- D Attachment
Medial lip intertubercular
sulcus of humerus
Teres major- Innervation
Lower subscapular N
C5,6,7
Teres major- Actions
GHJ medial rot’n, ADD, E
Suprasupinatus- P Attachment
Supraspinous fossa of
scapula
Coracobrachialis- P Attachment
Coracoid process
Coracobrachialis- D Attachment
Medial midshaft humerus
Coracobrachialis- Innervation
Musculocutaneous N
C5,6,7
Coracobrachialis- Actions
GHJ F, Add
Infraspinatus- D Attachment
Greater tubercle of
humerus
Infraspinatus- Innervation
Suprascapular N C5,6
Infraspinatus- Actions
GHJ lateral rotation & stabilisation