Origin and Insertion Flashcards
Origin and insertion of temporalis ?
Origin:Temporal fossa
Insertion: Coronoid fossa, ramus of the mandible
What are the functions of the temporalis?
Elevation of mandible
Retraction of mandible (sec)
Origin and insertion of the masseter?
Origin: Inferior margin of both zygomatic bone and zygomatic arch of the temporal bone
Actions of masseter?
Elevation of mandible
Protraction of mandible (sec)
Retraction of mandible (sec)
What nerve innervates the masseter?
Trigeminal nerve (mandibular division)
Origin and insertion of lateral pterygoid?
Origin: Sphenoid bone
Insertion: Mandible and the temperomandibular joint (TMJ)
What are the actions of the lateral pterygoid?
Protraction of mandible
Contralateral deviation of mandible (sec)
Which nerves innervates the lateral pterygoid?
Trigeminal nerve (CN V)
Origin and insertion of the medial pterygoid?
Origin: Sphenoid bone
Deep head –> process of the sphenoid, the palatine bone, and the tuberosity of the maxilla
Superifical head –> The palatine bone and the maxilla Insertion: Internal surface of the mandible
The muscles of the scalp are innervated by which nerve?
Facial nerve (CN VII)
The muscles of facial expression are innervated by which nerve?
Facial nerve (CN VII)
The muscles of mastication are innervated by which nerve?
Trigeminal nerve (CN V)
What are the 3 muscles of the scalp?
Occipitofrontalis, temperoparietalis, auricularis
What are the muscles of the eye?
Orbicularis oculi, levator palpebrae superior, corrugator supercilii
What are the muscles of the nose?
Procerus, nasalis, depressor septi nasi
What are the muscles of the mouth?
Levator labii superior alaeque nasi, levator labii superioris, zygomaticus minor, zygomaticus major, levator anguli oris, risorius, depressor anguli oris, depressor labii inferioris, mentalis, buccinator, orbicularis oris
What are the muscles of mastication?
Temporalis,
lateral pterygoid,
medial pterygoid,
masseter
Origin and insertion of the anterior scaleni?
Origin: Anterior tubercles of processus transversi C3-C6
Insertion: 1st rib
Actions of anterior scalene?
Flexion of neck
Lateral flexion of neck
Elevation of 1st rib
Contralateral rotation of neck (sec)
Origin and insertion of middle scalene?
Origin: Posterior tubercles of the processus transversi of C2-C7
Insertion: 1st rib
What are the function of the middle scalene?
Lateral flexion of neck,
flexion of neck,
elevation of the 1st rib
Origin and insertion of the posterior scaleni?
Origin: Posterior tubercle of processus transversi C5-C7
Insertion: 2nd rib
Actions of the posterior scaleni?
Lateral flexion of neck
Elevation of the 2nd rib
Origin and insertion of posterior digastric?
Origin: Mastoid notch of temporal bone
Insertion: Hyoid bone
Origin and insertion of anterior digastric?
Origin: Inner surface of the inferior border of mandible, diagstric fossa
Insertion: Hyoid bone
Actions of the digastric?
Elevation of hyoid,
depression of mandible at TMJ,
retraction of mandible at TMJ
Which nerves innervate the digastric muscle?
Anterior belly CN V -
Trigeminal Posterior belly -
CN VII -
facial nerve
Origin and insertion of the geniohyoid?
Origin: Inferior mental spine of the mandible
Insertion: Anterior surface of hyoid
What is the actions of geniohyoid?
Elevation of hyoid,
depresses the mandible (sec)
Which nerve innervates the geniohyoid?
Hypoglossal nerve (CN XII)
Origin and insertion of the levator scapula?
Origin: Posterior tubercle of processus transveri C1-C4
Insertion: Medial border of scapula, angulus superior, root of spine of scapula
What are the origin and insertion of Longus capitis?
Origin: Anterior tubercles of processus transversi C3-C5
Insertion: Inferior surface of occiput
What are the actions of longus capitis?
Flexion of neck,
Lateral flexion of neck
What are the origin and insertion of the Longus Colli?
Origin: Anterior body of processus transversi C3-T3
Insertion: Processus transversi and anterior bodies of C1-C6, anterior arch of atlas
Actions of longus colli?
Flexion of neck,
Lateral flexion of neck (sec),
Contralateral rotation of neck (sec)
Origin and insertion of middle scaleni?
Origin: Posterior tubercles of PT C2-C7
Insertion: 1st rib
Actions of middle scaleni?
Lateral flexion of neck,
Flexion of neck,
Elevation of 1st rib
What are the origin and insertion of Mylohyoid?
Origin: Inner surface of mandible
Insertion: Anterior surface of body of hyoid
What are the actions of Mylohyoid?
Elevation of hyoid,
Depresses the mandible (sec)
What nerve innervates the mylohyoid?
Trigeminal nerve (CN V)
What is the origin and insertion of obliquus capitis inferior?
Origin: Processus spinosi C2
Insertion: Processus transversi Atlas
Actions of levator scapula?
Elevatoin of scapula, Extension of neck, Lateral flexion of neck, Ipsilateral rotation neck (sec), Downward rotation scapula (sec), Retraction scapula (sec)
What are the origin and insertion of the Obliquus capitis superior?
O: TP of Atlas
I: Occiput, between superior and inferior nucheal lines
Origin and insertion of inferior belly of omohyoid?
O: Superior border of scapula
I: Clavicula
Origin and insertion of superior belly of omohyoid
O: Clavicle
I: Hyoid, inferior surface
Origin and insertion of posterior scaleni?
O: Posterior tubercle of TP of C5-C7
I: 2nd rib
What are the origin and insertion of the rectus capitis anterior?
O: Anterior surface of the TP of Atlas
I: Inferior surface of the basilar part of occiput
What are the actions of rectus capitis anterior?
Flexion of the head
What are the origin and insertion of rectus capitis lateralis?
O: Superior surface of the TP of Atlas
I: Inferior surface of the jugular process of the occiput
Action of rectus capitis lateralis?
Lateral flexion of the head
What are the origin and insertion of Rectus capitis posterior major?
O: PS of Axis (C2)
I: Lateral 1/2 of inferior nuchal line of occiput
Actions of Rectus capitis posterior major?
Extension of head,
Lateral flexion of head (sec)
Ipsilateral rotation (sec)
Extends and ipsilaterally rotates the atlas (sec)
What are the origin and insertion of Rectus capitis posterior minor?
O: Posterior tubercle of atlas
I: Medial 1/2 of inferior nuchal line of occiput
Actions of rectus capitis posterior minor?
Extension of head
What are the origin and insertion of splenius capitis?
O: Nuchal ligaments C3-C6, PS of C7-T4
I: Mastoid process, Lateral 1/3 of superior nuchal line of the occiput
Actions of splenius capitis?
Extension of neck,
Lateral flexion of neck,
Ipsilateral rotation of neck
Origin and insertion of splenius cervicis?
O: PS of T3-T6
I: Posterior tubercles of PT of C1-C3
Actions of splenius cervicis?
Extension of neck,
Lateral flexion of neck,
Ipsilateral rotation of neck
Origin and insertion of sternocleidomastoideus?
O: Sternal head –> Manibrium of sternum Clavicular head –> Medial 1/3 of clavicula
I: Processus mastoideus Lateral 1/2 of superior nuchal line of occiput
Actions of sternocleidomastoideus?
Flexion of neck, Lateral flexion of neck, Contralateral rotation of neck, Extension of head (sec) Elevation of sternum and clavicula (sec)
Origin and insertion of sternohyoid?
O: Posterior surface of manibrium of sternum and medial clavicula
I: Inferior surface of body of hyoid
Actions of sternohyoid?
Depresssion of the hyoid
Origin and insertion of Sternothyroid?
O: Posterior surface of both manibrium of sternum and cartilage of 1st rib
I: Lamina of thyroid cartilage
Actions of sternothyroid?
Depesses the thyroid cartilage
Origin and insertion of Stylohyoid?
O: Posterior surface of processus styloid of temporal bone
I: Hyoid
Actions of stylohyoid?
Elevation of hyoid
Origin and insertion of Thyrohyoid?
O: Lamina of thyroid cartilage
I: Inferior surface fo hyoid
Actions of the thyrohyoid?
Depresses hyoid,
Elevates the thyroid cartilage (sec)
Origin and insertion of trapezius?
O: Upper –> Occiput medial 1/3 of superior nuchal line, external occipital protuberance, PS of C7
Middle –> PS of T1-T5
Lower: –> PS of T6-T12
I: Upper –> Lateral 1/3 of clavicula and acromion of scapula
Middle –> Acromion process and spina scapula
Lower: Tubercle at the root of the spine of scapula
Actions of trapezius?
Lateral flexion of neck + head, Extension of neck + head Contralateral rotation of neck + head, Elevation of scapula, Retraction of scapula, Depresses the scapula, Upward rotation of scapula (sec) Extension of trunk (sec)
Origin and insertion of biceps brachii?
O: Long head –> Supraglenoid tubercle of scapula
Short head –> Processus coracoideus of scapula
I: Tuberositas radii, bicipital aponeurosis
Actions of biceps brachii?
Flexion of elbow, Supination, Flexion of shoulder, Abduction of shoulder (sec), Adduction of shoulder (sec)
Origin and insertion of brachialis?
O: Distal 1/2 of anterior shaft of humerus
I: Tuberositas ulnae, processus cornoideus of ulna
Actions of brachialis?
Flexion of elbow
Origin and insertion of coracobrachialis?
O: Processus coracoideus
I: Middle 1/3 of medial shaft of humerus
Actions of coracobrachialis
Flexion of shoulder,
Adduction of shoulder
Origin and insertion of deltoideus?
O: Lateral 1/3 of clavicula, acromion process, spina scapula
I: Deltoid tuberostiy of humerus
Actions of deltoideus?
Abduction shoulder, Flexion shoulder, Extension shoulder, Medial rotation shoulder, Lateral rotation shoulder, Downwward rotation of scapula (sec) Ipsilateral rotation of trunk (sec) Contralateral rotation of trunk (sec)
What is the origin and insertion of Infraspinatus?
O: Medial 2/3 of the infraspinous fossa of the scapula
Actions of infraspinatus?
Lateral rotation shoulder
Origin and insertion of subscapularis?
O: Subscapular fossa of the scapula
I: Lesser tubercle of the humerus
Actions of subscapularis?
Medial rotation
Origin and insertion of supraspinatus?
O: Medial 2/3 of supraspinous fossa of scapula
I: Superior facet of tuberculum major of humerus
Actions of supraspinatus?
Abduction of shoulder
Origin and insertion of teres major?
O: Inferior 1/3 of the dorsal surface of latearal border of scapula
I: Medial lip of bicipital groove of humerus
Actions of teres major?
Medial rotation of shoulder,
Adduction of shoulder,
Extension of shoulder,
Upwards rotation of scapula (sec)
Origin and insertion of teres minor?
O: Superior 2/3 of dorsal surface of lateral border of scapula
I: Tuberculum major, inferior facet
Origin and insertion of triceps brachii?
O: Long head –> Infraglenoid tubercle of scapula
Lateral head –> Proximal 1/2 of the posterior shaft of humerus
Medial head –> Distal 1/2 of the posterior shaft of humerus
I: Olecranon
Actions of triceps brachii?
Extension of elbow,
Adduction of shoulder (sec)
Extension of shoulder (sec)
Origin and insertion of diaphragm?
O: Sternal part –> Internal surface of xiphoid process of the sternum
Costal part –> Internal surface of ribs 7-12 and their costal cartilage
Lumbar part –> L1-L3
I: Central tendon of diaphragm
Origin and insertion of obliquus externus?
O: Crista iliaca anterior, pubic crest and pubic tubercle, abdominal aponeurosis
I: Inferior border of rib 5-12
Actions of obliquus externus?
Flexion trunk, Lateral flexion trunk, Contralateral rotation trunk, Posterior tilt pelvis, Elevation pelvis (sec), Ipsilateral rotation pelvis (sec) Compresses abdominal content (sec)
Origin and insertion of external intercostals?
O: Inferior border rib 1-12
I: Superior border rib 1-12 (each intercostal attaches from the inferior border from one rib to the superior border of the rib directly inferior)
Origin and insertion of Iliocostalis?
O: Lumborum –> Medial iliac crest, and medial + lateral sacral crests
Thoracis –> Angles of ribs 7-12
Cervicis –> Angles of ribs 3-6
I: Lumborum –> Angles of ribs 7-12
Thoracis –> Angles of ribs 1-6 and PT C7
Cervicis –> PT C4-C6
Actions of iliocostalis?
Extension trunk, Lateral flexion trunk, Ipisilateral rotation trunk, Anterior tilt pelvis, Elevation pelvis (sec), Contralateral rotation pelvis (sec)
Origin and insertion of obliquus internus?
O: Lateral 2/3 of inguinal ligament, iliac crest, and thoracolumbar fascia
I: Rib 10-12 + abdominal aponeurosis
Actions of obliquus internus?
Flexion trunk, Lateral flexion, Ipsilateral rotation trunk, Posterior tilt pelvis, Elevation pelvis (sec) Contralateral rotation pelvis (sec) Compreses abdominal content (sec)
Origin and insertion of internal intercostals?
O: Superior border of each rib, rib 1-12
I: Inferior border of each rib, rib 1-12
Actions of internal intercostals?
Depresses rib 1-11
Elevates rib 2-12 (sec)
Origin and insertion of latissimus dorsi?
O: PS T7-L5,
Posterior sacrum,
posterior iliac crest (all via thoracolumbar fascia, and the lowest 3-4 ribs and the inferior angle of scapula)
I: Medial lip of bicipital groove of humerus
Actions of latissimus dorsi?
Medial rotation shoulder, Adduction of shoulder, Extension shoulder, Anterior tilt of pelvis, Elevates the pelvis (sec), Depresses the scapula (sec), Lateral deviation of trunk (sec), Elevates the trunk - think chins - (sec) Contralateral rotation of trunk (sec)
Origin and insertion of longissimus?
O: Scarum, iliac crest, PT L1-L5 + T1-5, articular process of C5-C7
I: Ribs 4-12, PT of T1-T12, C2-C6, processus mastoideus of temporal bone
Actions of longissimus?
Extension trunk, Lateral flexion trunk, Ipsilateral rotation trunk, Anterior tilt pelvis, Elevates the pelvis (sec), Contralateral rotation pelvis (sec)
Origin and insertion of multifidus?
O: Lumbar region –> All mamillary processes Thoracic region –> All PT Cervical –> Articular process of C4-C7
I: PS of vertebrae 2-4 segmental levels superior to the inferior attachment
Actions of multifidus?
Extension trunk, Lateral flexion trunk, Contralateral rotation trunk, Anterior tilt pelvis, Elevates pelvis (sec), Ipsilateral rotation pelvis (sec)
Origin and insertion of pectoralis major?
O: Medial 1/2 of clavicle, sternum, costal cartilage of 1-7th ribs
I: Lateral lip of bicipital groove of humerus
Actions of pectoralis major?
Adduction shoulder, Medial rotation shoulder, Flexion shoulder, Extension shoulder (sec), Abduction arm (sec) Depresses scapula (sec) Protracts scapula (sec) Elevates the trunk (sec) Lateral deviates the trunk (sec) Ipsilateral rotation trunk (sec)
Origin and insertion of pectoralis minor?
O: 3-5h ribs
I: Processus coracoideus
Actions of pectoralis minor?
Protraction scapula,
Depresses scapula,
Elevates ribs 3-5,
Downward rotation scapula (sec)
Origin and insertion of quadratus lumborum?
O: Medial 1/2 of the inferior border of the 12th rib,
PT L1-L4
I: Posteromedial iliac crest
iliolumbar ligament
Actions of quadratus lumborum?
Elevates the pelvis, Anterior tilt of pelvis, Lateral flexion of trunk, Extension of trunk, Depresses 12th rib (sec)
Origin and insertion of rectus abdominis?
O: Crest of pubis
symphysis of pubis
I: Xiphoid process
cartilage of ribs 5-7
Actions of rectus abdominis
Flexion of trunk,
Posterior tilt pelvis,
Lateral flexion trunk (sec),
Compresses the abdominal content (sec)
Origin and insertion of rhomboideus?
O: Minor –> PS of C7-T1 + inferior nuchal ligament
Major –> PS of T2-T5
I: Minor –> Root of spina scapula
Major –> Between root of spina scaupla and inferior angle of scapula
Actions of rhomboideus major + minor?
Retraction of scapula,
Elevates the scapula,
Downward rotation of scapula (sec),
Contralateral rotation trunk (sec)
Origin and insertion of semispinalis?
O: PT C7-T10 + articular process of C4-C6
I: PS C2-T4 + occipital bone
Actions of semispinalis?
Extension of trunk,
Lateral flexion of trunk,
Contralateral rotation trunk
Origin and insertion of serratus anterior?
O: Anterolateral aspect of rib 1-9
I: Anterior surface of entire medial border of the scapula
Actions of serratus anterior?
Protraction of scapula,
Upward rotation of scapula,
Elevation of scapula (sec)
Depresses the scapula (sec)
Origin and insertion of serratus posterior inferior
O: PS T11-L2
I: Inferior border of 9-12th ribs
Actions of serratus posterior inferior?
Depresses the 9-12th ribs
Origin and insertion of serratus posterior superior
O: PS of C7-T3
I: Superior borders of 2-5th ribs
Actions of serratus posterior superior?
Elevates the 2-5th ribs
Origin and insertion of the subclavius?
O: Anterior part of 1st rib
I: Middle 1/3 of inferior surface of clavicula
Actions of subclavius?
Depresses the clavicula,
Elevates the 1st rib,
Protracts the clavicula (sec)
Downward rotation of clavicula (sec)
Origin and insertion of transversus abdominis?
O: Lateral 1/3 of inguinal ligament, iliac crest, thoracoulmbar fascia, costal cartilage of 7-12th ribs
I: Abdominal aponeurosis
Actions of transverse abdominis?
Compresses the abdominal contents
Origin and insertion of brachioradialis?
O: Proximal 2/3 of the lateral supracondylar ridge of the humerus
I: Processus stlyoideus of radius, lateral side
Actions of brachioradialis?
Flexion of elbow,
Supination,
Pronation
Origin and insertion of extensor carpi radialis brevis?
O: Lateral epicondylus humerus (via common extensor tendon)
I: Base of the 3rd metacarpal
Actions of extensor carpi radialis longus?
Extension of wrist,
Radial devation of wrist,
Flexion of elbow,
Pronation
Origin and insertion of extensor carpi ulnaris?
O: Lateral epicondylus of humerus (via common extensor tendon) and posterior middle 1/3 of ulna
I: Base of the 5th metacarpal
Actions of extensor carpi ulnaris?
Extension of wrist,
Ulnar deviation wrist,
Extension elbow (sec)
Origin and insertion of extensor digit minimi?
O: Lateral epicondylus of humerus (via common extensor tendon)
I: Ulnar side of tendon of extensor digitorum muscle of 5th finger
Action of extensor digiti minimi?
Extension little finger,
Extension wrist,
Medial rotation little finger (sec),
Extension elbow (sec)
Origin and insertion of extensor digitorum?
O: Lateral epicondylus humerus (common extensor tendon)
I: Dorsal digital expansion of middle and distal phalanges of 2-5 fingers
Actions of extensor digitorum?
Extension of 2-5 fingers at MCP PIP and DIP,
Extension of wrist
Medial rotation little finger (sec),
Extension elbow (sec)
Origin and insertion of extensor indicis?
Distal 1/3 of posterior ulna + interosseus membrane
Origin and insertion of extensor carpi radialis longus?
O: Distal 1/3 of lateral supracondylar ridge of humerus
I: Base of the 2nd metacarpal
Origin and insertion of Flexor carpi radialis?
O: Medial epicondyle of humerus (via common flexor tendon)
I: Base of 2nd and 3rd metacarpals
Actions of flexor carpi radialis?
Flexion of wrist,
Radial deviation wrist,
Flexion of elbow (sec),
Pronation (sec)
Origin and insertion of flexor carpi ulnaris?
O: Medial epicondyle
medial margin of olecranon
posterior proximal 2/3 of the ulna
I: Pisiforme,
hook of hamate,
base of the 5th metacarpal
Actions of Flexor carpi ulnaris?
Flexion of wrist,
Ulnar deviation wrist,
Flexion elbow (sec)
Origin and insertion of Pronator teres?
O: Humeral head –> Medial epicondyle, medial supracondylar ridge of humerus
Ulnar head –> Proccesus coronoideus of ulna
I: Middle 1/3 of lateral radius
Actions of pronator teres
Pronation
Flexion of elbow
Origin and insertion of supinator?
O: Lateral epicondyle
supinator crest of ulna
I: Proximal 1/3 of posterior
lateral and anterior side of radius
Actions of Supinator?
Supination
O and I of adductor brevis?
O: Inferior ramus of pubis
I: Proximal 1/3 of linea aspera of femur
Actions of adductor brevis?
Adduction hip,
Flexion hip,
Anterior tilt pelvis,
Elevation pelvis (sec)
O + I of Adductor longus
O: Anterior body of pubis
I: Middle 1/3 of linea aspera of femur
Actions of adductor longus?
Adduction hip
Flexion hip,
Anterior tilt pelvis,
Elevation pelvis (sec)
O + I of adductor magnus?
O: Inferior pubic ramus,
ramus of ischidicum,
ischial tuberostiy
I: Linea aspera of femur,
gluteal tuberosity,
medial supracondylar line,
adductor tubercle of femur
Actions of Adductor magnus?
Adduction hip,
Extension hip,
Posterior tilt pelvis,
Elevation pelvis (sec)
O + I of biceps femoris?
O: Long head –> Ischial tuberosity + sacrotuberous ligament
Short head –> Linea aspera + lateral supracondylar line of femur
I: Caput fibula + lateral tibial condyle
Actions of biceps femoris?
Flexion of knee, Extension of hip, Posterior tilt of pelvis, Lateral rotation knee (sec), Adduction hip (sec), Lateral rotation hip
O + I of extensor digitorum longus?
O: Proximal 2/3 of fibula, proximal 1/3 of interosseus membrane + lateral tibial condyle
I: Dorsal surface of 2-5th toes
Actions of extensor digitorum longus?
Extension 2-5 toes at MTP + IP
Dorsiflexion ankle,
Evertion foot
O + I of extensor hallucius longus?
O: Middle 1/3 of anterior fibula + middle 1/3 of interosseus membrane
I: Dorsal surface of big toe, distal phalanx
Actions of extensor hallucis longus?
Extension big toe,
Dorsiflexion ankle,
Invertion foot (sec)
O + I of fibularis brevis (peroneus)
O: Distal 1/2 of lateral fibula
I: Lateral side of base of 5th metatarsal
Actions of fibularis (peroneus) brevis?
Evertion foot,
Plantarflexion foot
O + I of fibular longus (peroneus)
O: Caput fibula, proximal 1/2 of lateral fibula
I: 1st cuneiforme, 1st metatarsal
Actions of fibular longus (peroneus)?
Evertion foot,
Plantarflexion foot
O + I of fibular tertius (peroneus)
O: Caput fibula, proximal 1/2 of the lateral fibula
I: 1st cuneiforme, 1st metatarsal
O + I of gastrocnemius?
O: Medial + lateral femoral condyles + distal posteriormedial+lateral femur
I: Calcaneus
Actions of gastrocnemius?
Plantarflexion ankle,
Flexion knee,
Invertion foot (sec)
Origin and insertion of gluteus maximus?
O: Posterior iliac crest, posteriolateral sacrum, coccyx, sacrotuberous ligament, thoracolumbar fascia, fascia over gluteus medius
I: Iliotibial band + gluteal tuberosity of femur
Actions of gluteus maximus?
Extension hip, Lateral rotation hip, Abduction hip (upper 1/3) Adduction hip (lower 2/3) Posterior tilt pelvis, Contralateral rotation pelvis (sec), Extension knee (sec)
O + I of gluteus medius?
O: External ilium inferior to the iliac crest
I: Greater trochanter of femur, lateral surface
Actions of gluteus medius?
Abduction hip,
Flexion hip (anterior fibers)
Medial rotation hip (anterior fibers)
Extension hip (posterior fibers),
Lateral rotation hip (posterior fibers),
Posterior tilt pelvis (posterior fibers),
Anterior tilt (anterior fibers),
Depression pelvis,
Ipsilateral rotation pelvis (anterior fibers),
Contralateral rotation pelvis (posterior fibers)
O + I of gluteus minimus?
O: External ilium between anterior and inferior gluteal lines
I: Greater trochanter of femur, anterior surface
Actions of gluteus minmius?
Abduction hip, Flexion hip, Medial rotation hip, Extension hip, Lateral rotation hip, Posterior tilt hip, Anterior tilt hip, Depression pelvis (sec) Ipsilateral rotation pelvis (sec) Contralateral rotation pelvis (sec)
O + I of gracilis?
O: Anterior body of pubis, inferior ramus
I: Pes anserineus tendon
Actions of gracilis?
Adduction hip, Flexion hip, Flexion knee, Anterior tilt pelvis, Medial rotation knee (sec) Elevation pelvis (sec)
O + I of iliacus?
O: Internal ilium,
upper 2/3 of iliac fossa,
SIAI,
sacral ala
I: Lesser trochanter femur
Actions of iliacus?
Flexion hip,
Lateral rotation hip,
Anterior tilt pelvis,
Contralateral rotation pelvis (sec)
O + I of inferior gemellus?
O: Ischial tuberosity, superior aspect
I: Greater trochanter femur
Actions of inferior gemellus?
Lateral rotation hip,
abduction hip (sec),
Contralateral rotation pelvis (sec)
O + I of obturator externus?
O: External surface of pelvic bone surrounding the obturator foramen
I: Trochanteric fossa of femur
Actions of obturator externus?
Lateral rotation hip,
Contralateral rotation pelvis (sec)
O + I of obturator internus?
O: Internal surface of the pelvic bone surrounding the obturator foramen
I: Greater trochanter of femur
Actions of obturator internus?
Lateral rotation hip,
Abduction hip (sec - if the thigh is flexed)
Contralateral rotation of pelvis (sec)
O + I of pectineus?
O: Pectineal line on the superior pubic ramus
I: Proximal superior shaft of femur
Actions of pectineus?
Adduction hip,
Flexion hip,
Anterior tilt pelvis,
Elevation pelvis (sec)
O + I of piriformis?
O: Anterior sacrum + anterior surface of sacrotuberous ligament
I: Greater trochanter femur, superomedial surface
Actions of piriformis?
Lateral rotation hip,
Abduction hip (sec - when thigh is flexed),
Medial rotation hip (sec - when thigh is flexed),
Contralateral rotation pelvis (sec)
O + I of plantaris?
O: Lateral condyle + distal latearl supracondylar line of femur
I: Calcaneus
Actions of plantaris?
Plantarflexion ankle,
Flexion knee
O + I of popliteus?
O: Lateral surface of lateral condyle of femur
I: Medial side of proximal posterior tibia
Actions of the popliteus?
Medial rotation knee,
Flexion knee,
Lateral rotation knee (sec)
O + I of psoas major?
O: Anterolateral on the bodies of T12-L5 and the intevertebral discs between + anterioly on the PT of L1-L5
I: Lesser trochanter femur
Actions of psoas major?
Flexion hip, Lateral rotation hip, Flexion trunk, Lateral flexion trunk, Anterior tilt pelvis, Contralateral rotation trunk (sec), Contralateral rotation pelvis (sec)
O + I of psoas minor?
O: Anterolateral bodies of T12-L1 and the disc between
I: Pectineal line of pubis
Actions of psoas minor?
Flexion trunk,
Posterior tilt of pelvis
O + I of quadrtus femoris?
O: Ischial tuberosity, lateral border
I: Intertrochanteric crest of femur + inferior to it
Actions of quadratus femoris?
Lateral rotation hip,
Adduction hip (sec),
Contralateral rotation pelvis (sec)
O + I of rectus femoris?
O: SIAI
I: Tibial tuberosity
Actions of rectus femoris?
Extension knee,
Flexion hip,
Anterior tilt pelvis
O + I of sartorius?
O: SIAS
I: Pes anserineus
Actions of sartorius?
Flexion hip, Abduction hip, Lateral rotation hip, Flexion knee, Anterior tilt pelvis, Medial rotation knee (sec), Depression pelvis (sec), Contralateral rotation pelvis (sec)
O + I Semimembranosus?
O: Ischial tuberosity
I: Medial condyle of tibiae, posterior surface
Actions of semimembranosus?
Flexion knee, Extension hip, Posterior tilt pelvis, Medial rotation knee (Sec), Medial rotation hip (sec)
O + I of semitendinosus?
O: Ischial tuberosity
I: Pes ansernius
Actions of semitendinosus?
Flexion knee, Extension hip, Posterior tilt pelvis, Medial rotation knee (sec), Medial rotation hip (sec)
O + I of soleus?
O: Soleal line of tibia, caput fibula + proximal 1/3 of fibula
I: Calcaneus
Actions of soleus?
Plantarflexion ankle,
Invertion (sec)
O + I of superior gemellus?
O: Ischial spine
I: Greater trochanter femur, medial surface
Actions of superior gemellus?
Lateral rotation hip,
Abduction hip (sec),
Contralateral rotation pelvis (sec)
O + I of tensor fascia latae?
O: SIAS + anterior iliac crest
I: Iliotibial band, 1/3 of the way down the thigh
Actions of tensor fascia latae?
Flexion hip, Abduction hip, Medial rotation hip, Anterior tilt pelvis, Depression pelvis (sec) Ipsilateral rotation pelvis (sec), Extension knee (sec)
O + I of tibialis anterior?
O: Lateral tibial condyle,
proximal 2/3 of anterior tibia,
proximal 2/3 of interosseus membrana
I: 1st cuneiforme, 1st metatarsal
Actions of tibialis anterior?
Dorsiflexion ankle,
Invertion
O + I tibialis posterior?
O: Proximal 2/3 of the posterior tibia + fibula + interosseus membrana
I: Metatarsal 2-4 + all tarsal bones except talus
Actions of tibialis posterior?
Plantarflexion ankle,
Invertion
O + I of vastus intermedius?
O: Anterior and lateral surface of the femur + lateral lip of linea aspera
I: Tibial tuberosity
Actions of vastus intermedius?
Extension knee
O + I of vastus lateralis?
O: Lateral lip of linea aspera femur,
anterior intertrochanteric line
gluteal tuberosity of femur
I: Tibial tuberosity
Actions of vastus lateralis?
Extension knee
O + I of vastus medialis?
O: Medial lip of linea aspera,
intertrochanteric line
medial supracondylar line of femur
I: Tibial tuberosity
Actions of vastus medialis?
Extension knee