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
Biceps brachii (long head)- Actions
Elbow F & forearm sup’n
+ GHJ F
Teres minor- D Attachment
Greater tubercle of
humerus
Teres minor- Innervation
Axillary N C5,6
Biceps brachii (short head)- Innervation
Musculocutaneous
C5,6
Biceps brachii (short head)- Actions
Elbow F & forearm sup’n
+ GHJ F
Brachialis- P Attachment
Distal ½ humerus
Brachialis- D Attachment
Ulnar tuberosity
Brachialis- Innervation
Musculocutaneous
C5,6
Brachialis- Actions
Elbow F
Triceps brachii (long head)- P Attachment
Infraglenoid tubercle
Triceps brachii (long head)- D Attachment
Olecranon process
Triceps brachii (long head)- Innervation
Radial n C6,7,8
Triceps brachii (long head)- Actions
Elbow E
+GHJ E
Triceps brachii (lateral head)- P Attachment
Humerus – proximal & lateral to radial groove
Triceps brachii (lateral head)- D Attachment
Olecranon process
Triceps brachii (lateral head)- Innervation
Radial n C6,7,8
Triceps brachii (lateral head)- Actions
Elbow E
+GHJ E
Triceps brachii (short head)- P Attachment
Posterior humerus below radial groove
Triceps brachii (short head)- D Attachment
Olecranon process
Triceps brachii (short head)- Innervation
Radial n C6,7,8
Triceps brachii (short head)- Actions
Elbow E
+GHJ E
Triceps brachii (lateral head)- Actions
Elbow E
+GHJ E
Anconeus- D Attachment
Olecranon process
lateral of olecranon process & posterior of proximal ulna
Anconeus- D Attachment
Olecranon process
Anconeus- Actions
Retracts elbow jt capsule during elbow E. Posterolateral stability
Anconeus- Actions
Retracts elbow jt capsule during elbow E. Posterolateral stability
Pronator teres- P Attachment
Medial epicondyle humerus
Coronoid process of ulna
Pronator teres- D Attachment
Midshaft radius
Pronator teres- Innervation
Median N C6,7
Pronator teres- Actions
Forearm pronation
Flexor carpi radialis- PA
Medial epicondyle humerus
Flexor carpi radialis- DA
(palmar surfaces) base 2nd & 3rd MC
Flexor carpi radialis- Innervation
Median N C6,7
Flexor carpi radialis- Actions
Wrist F & abd
Palmaris longus- PA
Medial epicondyle humerus
Palmaris longus- DA
Palmar fascia
Palmaris longus- Actions
Tense palmar fascia
Palmaris longus- Actions
Tense palmar fascia
Flexor carpi ulnaris- PA
Medial epicondyle humerus
Proximal 2/3 ulna
Flexor carpi ulnaris- DA
Pisiform & Base of 5th MC
Flexor carpi ulnaris- Innervation
Ulnar N C7,8
Flexor carpi ulnaris- Actions
Wrist F & add
Pronator quadratus- PA
Distal ulna
Pronator quadratus- DA
Distal radius
Pronator quadratus- Innervation
Median N C 7,8
Flexor digitorum superficialis- PA
Medial epicondyle of humerus & ulna
Flexor digitorum superficialis- DA
Middle phalanges digits 2-5
Flexor digitorum superficialis- Innervation
Median N C8-T1
Flexor digitorum superficialis- Actions
MCP, PIP & Wrist F
Flexor digitorum profundus- PA
Ulna
Flexor digitorum profundus- DA
Distal phalanges digits 2-5
Flexor digitorum profundus- Innervation
index, long fingers: Medial N
little, ring fingers: Ulnar N
C8-T1
Flexor digitorum profundus- Actions
MCP, PIP, DIP & wrist F
Flexor pollicis longus- PA
Radius
Flexor pollicis longus- DA
Distal phalanx of thumb
Flexor pollicis longus- Innervation
Medial N C7-8
Flexor pollicis longus- Actions
Thumb MCP & IP F
Brachioradialis- PA
Lateral supracondylar ridge of humerus
Brachioradialis- DA
Styloid process of radius
Brachioradialis- Innervation
Radial n C5,6
Brachioradialis- Actions
elbow F
Extensor carpi radialis longus- PA
lateral supracondylar ridge & lateral epicondyle humerus
Extensor carpi radialis longus- DA
dorsal surface
base of 2nd MC
Extensor carpi radialis longus- Innervation
Radial n C6,7
Extensor carpi radialis longus- Actions
Wrist E, abd
Extensor carpi radialis brevis- PA
lateral epicondyle of humerus
Extensor carpi radialis brevis- DA
dorsal surface
base of 3rd MC
Extensor carpi radialis brevis- Innervation
deep Radial n C7,8
Extensor carpi radialis brevis- Actions
Wrist E, abd
Extensor carpi ulnaris- PA
lateral epicondyle of humerus
Extensor carpi ulnaris- DA
dorsal surface
base of 5th MC
Extensor carpi ulnaris- Innervation
deep Radial n C7,8
Extensor carpi ulnaris- Actions
Wrist E, add
Supinator- PA
lateral epicondyle of humerus & ulna
Supinator- DA
proximal radius
Supinator- Innervation
Radial n C5,6
Supinator- Actions
Forearm supination
Extensor digitorum- PA
Lateral epicondyle
Extensor digitorum- DA
Digits 2-5
Extensor digitorum- Innervation
Deep Radial n C7,8
Extensor digitorum- Actions
2nd – 5th fingers E
Extensor digiti minimi- PA
Lateral epicondyle
Extensor digiti minimi- DA
Proximal phalanx 5th finger
Extensor digiti minimi- Innervation
Deep Radial n C7,8
Extensor digiti minimi- Actions
5th finger E
Abductor pollicis longus- PA
Posterior ulna, interosseous membrane & posterior radius
Abductor pollicis longus- DA
Trapezium & radial surface of the base of 1st MC
Abductor pollicis longus- Innervation
Deep Radial n C7,8
Abductor pollicis longus- Actions
Thumb abd
Extensor pollicis brevis- PA
Posterior radius & interosseous membrane
Extensor pollicis brevis- DA
Dorsal surface of the base of 1st proximal phalanx
Extensor pollicis brevis- Innervation
Deep Radial n C7,8
Extensor pollicis brevis- Actions
1st MCP E
Extensor pollicis longus- PA
Posterior of lateral ulna & interosseous membrane
Extensor pollicis longus- DA
Dorsal surface of the base of 1st distal phalanx
Extensor pollicis longus- Innervation
Deep Radial n C7,8
Extensor pollicis longus- Actions
2nd MCP, PIP & DIP E
Abductor pollicis brevis- PA
Flexor retinaculum & scaphoid & trapezium
Abductor pollicis brevis- DA
Proximal phalanx of thumb
Abductor pollicis brevis- Innervation
Median N C8,T1
Abductor pollicis brevis- Actions
Thumb abd
Flexor pollicis brevis- PA
flexor retinaculum & trapezium
Flexor pollicis brevis- DA
Proximal phalanx of thumb
Flexor pollicis brevis- Innervation
Median N C8,T1
Flexor pollicis brevis- Actions
Thumb F
Opponens pollicis- PA
Flexor retinaculum & trapezium
Opponens pollicis- DA
Lateral 1st MC
Opponens pollicis- Innervation
Median N C8,T1
Opponens pollicis- Actions
Thumb opposition
Flexor digiti minimi- PA
Hamate bone & flexor retinaculum
Flexor digiti minimi- DA
Proximal phalanx of 5th finger
Flexor digiti minimi- Innervation
Ulnar N C8,T1
Flexor digiti minimi- Actions
5th finger abd
Abductor digiti minimi- PA
Pisiform bone & tendon of FCU
Abductor digiti minimi- DA
Proximal phalanx of 5th finger
Abductor digiti minimi- Innervation
Ulnar N C8,T1
Abductor digiti minimi- Actions
5th finger abd
Opponens digiti minimi- PA
Hamate bone & flexor retinaculum
Opponens digiti minimi- DA
5th MC
Opponens digiti minimi- Innervation
Ulnar N C8,T1
Opponens digiti minimi- Actions
5th finger opposition
Palmaris brevis- PA
palmar aponeurosis flexor retinaculum
Palmaris brevis- DA
dermis
Palmaris brevis- Innervation
Ulnar N C8,T1
Palmaris brevis- Actions
Improves grip
Adductor pollicis- PA
O: 3rd metacarpal & capitate
T: base 2nd&3rd MC
Adductor pollicis- DA
base 1st prox phalanx & ext hood
Adductor pollicis- Innervation
Ulnar N C8,T1
Adductor pollicis- Actions
Thumb add
Palmar Interossei- PA
metacarpal
Palmar Interossei- DA
extensor expansion
Palmar Interossei- Innervation
Ulnar N C8,T1
Palmar Interossei- Actions
2nd-5th fingers add
2nd-5th MP F PIP + DID E
Dorsal interossei- PA
adjacent metacarpals
Dorsal interossei- DA
extensor expansion
Dorsal interossei- Innervation
Ulnar N C8,T1
Dorsal interossei- Actions
2nd-5th fingers abd
2nd-5th MP F PIP + DID E
Lumbricales- PA
tendons of FDP
Lumbricales- DA
radial side of extensor expansion
Lumbricales- Innervation
Ulnar N C8,T1
Lumbricales- Actions
2nd-5th fingers F 2nd-5th PIP + DID E
Psoas major- PA
Lumbar vertebral bodies & transverse processes
Psoas major- DA
Lesser trochanter
Psoas major- Innervation
L1-3 ventral rami
Psoas major-
Actions
Hip F
Iliacus- PA
Iliac fossa
Iliacus- DA
Lesser trochanter & anterior capsule of hip joint
Iliacus- Innervation
Femoral n.
L2,3
Iliacus- Actions
Hip F, ER
Knee F
Obturator externus- PA
(lateral margin of) obturator foramen
Obturator externus- DA
Greater trochanter
Obturator externus- Innervation
Obturator n.
L3,4
Obturator externus- Actions
Hip LR
Tensor fascia lata- PA
anterior iliac crest
Tensor fascia lata- DA
via iliotibial band to lateral tubercle of the tibia
Tensor fascia lata- Innervation
Superior gluteal n.
L4,5&S1
Tensor fascia lata- Actions
Hip abd, MR
Gluteus medius- PA
lateral surface of ilium
Gluteus medius DA
greater trochanter
Gluteus medius Innervation
Superior gluteal n.
L4,5&S1
Gluteus medius Actions
Hip abd, MR
Gluteus maximus- PA
posterior iliac crest, sacrum & coccyx
Gluteus maximus- DA
iliotibial band & gluteal tuberosity
Gluteus maximus- Innervation
Inferior gluteal n.
L5, S1&2
Gluteus maximus-Actions
Hip E, LR
Piriformis- PA
anterior surface of sacrum
Piriformis- DA
Greater trochanter
Piriformis- Innervation
L5,S1,2
ventral rami
Piriformis- Actions
Hip LR
Gemellus superior- PA
ischial spine
Gemellus superior- DA
Greater trochanter
Gemellus superior- Innervation
Nerve to obturator internus
L5,S1
Gemellus superior- Actions
Hip LR
Obturator internus- PA
(internal margin of) obturator foramen
Obturator internus- DA
Greater trochanter
Obturator internus- Innervation
Nerve to obturator internus
L5,S1
Obturator internus- Actions
Hip LR
Gemellus inferior- PA
ischial tuberosity
Gemellus inferior- DA
Greater trochanter
Gemellus inferior- Innervation
Nerve to quadratus femoris
L5, S1
Gemellus inferior- Actions
Hip LR
Quadratus femoris- PA
ischial tuberosity
Quadratus femoris- DA
intertrochanteric crest & quadrate tuberosity
Quadratus femoris- Innervation
Nerve to quadratus femoris
L5, S1
Quadratus femoris- Actions
Hip LR
Sartorius- PA
ASIS
Sartorius- DA
Anteromedial proximal tibia
Sartorius- Innervation
Femoral n.
L2-4
Sartorius- Actions
Hip F, ER
Knee F
Rectus femoris- PA
AIIS
Rectus femoris- DA
Tibial tuberosity
Rectus femoris- Innervation
Femoral n.
L2-4
Rectus femoris- Actions
Hip F
Knee E
Pectineus- PA
Superior ramus pubis
Pectineus- DA
Pectineal line
Pectineus- Innervation
Femoral & obturator n.
Pectineus- Actions
Hip add
Adductor brevis- PA
Inferior ramus pubis
Adductor brevis- DA
Pectineal line & linea aspera
Adductor brevis- Innervation
Obturator n.
L2-4
Adductor brevis- Actions
Hip add
Adductor longus- PA
Ischiopubic ramus & ischial tuberosity
Adductor longus- DA
Linea aspera, medial supracondylar ridge & adductor tubercle
Adductor longus- Innervation
Obturator n.
L2-4
Adductor longus- Actions
Hip add
Adductor magnus- PA
Ischiopubic ramus & ischial tuberosity
Adductor magnus- DA
Linea aspera, medial supracondylar ridge & adductor tubercle
Adductor magnus- Innervation
Obturator n.
L2-4
Adductor magnus- Actions
Hip add
Gracilis- PA
Pubic bone
Gracilis- DA
Anteromedial proximal tibia
Gracilis- Innervation
Obturator n.
L2-4
Gracilis- Actions
Hip add
Biceps femoris- PA
Ischial tuberosity
Biceps femoris- DA
Head of fibula
Biceps femoris- Innervation
Sciatic n.
L5-S2
Biceps femoris- Actions
Hip E
Knee F
Tibial ER
Semitendinosus- PA
Ischial tuberosity
Semitendinosus- DA
Anteromedial proximal tibia
Semitendinosus- Innervation
Sciatic n.
L5-S2
Semitendinosus- Actions
Hip E
Knee F
Tibial IR
Semimembranosus- PA
Ischial tuberosity
Semimembranosus- DA
Posteromedial proximal tibia
Semimembranosus- Innervation
Sciatic n.
L5-S2
Semimembranosus- Actions
Hip E
Knee F
Tibial IR
Vastus lateralis- PA
Greater trochanter & linea aspera
Vastus lateralis DA
Tibial tubercle
Vastus lateralis Innervation
Femoral n.
L2-4
Vastus lateralis Actions
Knee E
Vastus medialis longus- PA
linea aspera
Vastus medialis longus- DA
Tibial tubercle
Vastus medialis longus- Innervation
Femoral n.
L2-4
Vastus medialis longus- Actions
Knee E
Vastus medialis obliquus- PA
tendon of adductor magnus
Vastus medialis obliquus- DA
Tibial tubercle
Vastus medialis obliquus- Innervation
Femoral n.
L2-4
Vastus medialis obliquus- Actions
Knee E
Vastus intermedius- PA
anterior femur
Vastus intermedius- DA
Tibial tubercle
Vastus intermedius- Innervation
Femoral n.
L2-4
Vastus intermedius- Actions
Knee E
Gracilis- PA
Pubic bone
Gracilis- DA
Anteromedial proximal tibia
Gracilis- Innervation
Obturator n.
L2,3
Gracilis- Actions
Hip add
Knee F
Biceps femoris
long head- PA
Ischial tuberosity
Biceps femoris
long head- DA
Head of fibula
Biceps femoris
long head- Innervation
Tibial n.
L5, S1,2
Biceps femoris
long head- Actions
Hip E (long)
Knee F
Tibial ER
Biceps femoris
short head- PA
Ischial tuberosity
Biceps femoris
short head- DA
Anteromedial proximal tibia
Biceps femoris
short head- Innervation
Tibial n.
L5, S1,2
Biceps femoris
short head- Actions
Hip E (long)
Knee F
Tibial ER
Semitendinosus- PA
Ischial tuberosity
Semitendinosus- DA
Anteromedial proximal tibia
Semitendinosus- Innervation
Tibial n.
L5, S1,2
Semitendinosus- Actions
Hip E
Knee F
Tibial IR
Semimembranosus- PA
Ischial tuberosity
Semimembranosus- DA
Posteromedial proximal tibia
Semimembranosus- Innervation
Tibial n.
L5, S1,2
Semimembranosus- Actions
Hip E
Knee F
Tibial IR
Gluteus maximus- PA
posterior iliac crest, sacrum & coccyx
Gluteus maximus- DA
iliotibial band & gluteal tuberosity
Gluteus maximus- Innervation
Inferior gluteal n.
L5, S1&2
Gluteus maximus- Actions
Hip E, LR
TFL- PA
anterior iliac crest
TFL- DA
via iliotibial band to lateral tubercle of the tibia
TFL- Innervation
Superior gluteal n.
L4,5&S1
TFL- Actions
Hip abd, MR
Gastrocnemius- PA
posterior medial & lateral femoral condyles
Gastrocnemius- DA
calcaneal tuberosity
Gastrocnemius- Innervation
Tibial n.
S1,2
Gastrocnemius- Actions
Knee F
Talocrural PF
Plantaris- PA
superior lateral femoral condyle
Plantaris- DA
calcaneal tuberosity
Plantaris- Innervation
Tibial n.
S1,2
Plantaris- Actions
Knee F
Talocrural PF
Popliteus- PA
lateral femoral condyle
Popliteus- DA
posterior proximal tibia
Popliteus- Innervation
Tibial n.
L4,5, S1
Popliteus- Actions
Knee F (weak) Tibia MR
Tibialis anterior- PA
Proximal tibia & interosseous membrane
Tibialis anterior- DA
medial cuneiform & base 1st MT
Tibialis anterior- Innervation
Deep fibular n.
L4,5
Tibialis anterior- Actions
DF + inv
Extensor digitorum longus- PA
Proximal tibia & fibula
Extensor digitorum longus-DA
Distal & middle phalanges 2-5
Extensor digitorum longus- Innervation
Deep fibular n.
L5, S1
Extensor digitorum longus- Actions
2nd-5th toe E
Extensor hallucis longus- PA
fibula & interosseous membrane
Extensor hallucis longus- DA
Distal phalanx hallux
Extensor hallucis longus- Innervation
Deep fibular n.
L5, S1
Extensor hallucis longus- Actions
Hallux E
Fibularis tertius- PA
Distal fibula
Fibularis tertius- DA
Dorsal base 5th MT
Fibularis tertius- Innervation
Deep fibular n.
L5, S1
Fibularis tertius- Actions
DF + eversion
Gastrocnemius- PA
Distal femur
Gastrocnemius- DA
Calcaneus
Gastrocnemius- Innervation
Tibial n.
S1,2
Gastrocnemius-Actions
Knee F
Ankle PF
Soleus- PA
Proximal tibia & fibular head
Soleus- DA
calcaneus
Soleus- Innervation
Tibial n.
S1,2
Soleus- Actions
Ankle PF
Plantaris- PA
Lateral supracondylar line femur
Plantaris-DA
calcaneus
Plantaris- Innervation
Tibial n.
S1,2
Plantaris- Actions
Ankle PF
Popliteus- PA
Lateral femoral condyle
Popliteus- DA
Proximal posterior tibia
Popliteus- Innervation
Tibial n.
L4-S1
Popliteus- Actions
ER of femur on tibia
Tibialis posterior- PA
Tibia, fibula & interosseous membrane
Tibialis posterior- DA
Mainly navicular tuberosity & medial cuneiform
Tibialis posterior- Innervation
Tibial n.
L4,5
Tibialis posterior- Actions
2nd-5th toe F
Flexor digitorum longus- PA
Posteromedial tibia
Flexor digitorum longus- DA
Distal phalanges 2-5
Flexor digitorum longus- Innervation
Tibial n.
S2,3
Flexor digitorum longus- Actions
2nd-5th toe F
Flexor hallucis longus- PA
Fibula & interosseous membrane
Flexor hallucis longus- DA
Distal phalanx hallux
Flexor hallucis longus- Innervation
Tibial n.
S2,3
Flexor hallucis longus- Actions
Hallux F
Fibularis longus- PA
Proximal fibula
Fibularis longus- DA
medial cuneiform & base 1st MT
Fibularis longus- Innervation
Superficial fibular n.
L5, S1
Fibularis longus- Actions
Eversion
Fibularis brevis- PA
Lower 2/3 fibula
Fibularis brevis- DA
tubercle 5th MT
Fibularis brevis- Innervation
Superficial fibular n.
L5, S1
Fibularis brevis- Actions
eversion
Muscles of the foot- Plantar aspect- Layer 1 (3 muscles)
- abductor hallucis
- abductor digiti minimi
- flexor digitorum brevis
Muscles of the foot- Plantar aspect- Layer 2 (2 muscles)
- quadratus plantae
2. lumbricales
Muscles of the foot- Plantar aspect- Layer 3 (3 muscles)
- flexor hallucis brevis - Note the sesamoid bone in the tendon of each head
- adductor hallucis
- flexor digiti minimi brevis
Muscles of the foot- Plantar aspect- Layer 4 (1 muscle)
- Interossei
Muscles of the foot- Dorsal aspect- (2 muscle)
- extensor digitorum brevis
2. extensor hallucis brevis
Extensor digitorum brevis- PA
calcaneus
Extensor digitorum brevis- DA
Ext digitorum tendons 2-4
Extensor digitorum brevis- Innervation
Deep fibular n.
S1,2
Extensor digitorum brevis- Actions
2nd-4th toe E
Extensor hallucis brevis- PA
calcaneus
Extensor hallucis brevis- DA
1st proximal phalanx
Extensor hallucis brevis- Innervation
Deep fibular n.
S1,2
Extensor hallucis brevis- Actions
1st MTP E
Abductor hallucis- PA
calcaneus
Abductor hallucis- DA
1st proximal phalanx
Abductor hallucis-Innervation
Tibial n.
S1-3
Abductor hallucis- Actions
Hallux Abd & F
Flexor digitorum brevis- PA
calcaneus
Flexor digitorum brevis- DA
Middle phalanges 2-5
Flexor digitorum brevis- Innervation
Tibial n.
S1-3
Flexor digitorum brevis- Actions
2nd-5th PIP F
