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Ther Ex muscle review
Action & AOIN
38
Anatomy
Not Applicable
10/30/2018

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Cards

Term
trapezius
Definition
A: upper fibers unilaterally laterally flex head & neck to same side, rotate head & neck to opposite side, elevate & upwardly rotate scapula; bilaterally extend head & neck
middle fibers adduct & stabilize scapula
lower fibers depress & upwardly rotate scapula
O: medial portion superior nuchal line of occiput, external occipital protuberance, ligamentum nuchae, & spinous processes of C7-T12
I: lateral 1/3 clavicle, acromion & spine of scapula
N: Accessory (cranial nerve IX)
Term
levator scapula
Definition
A: unilaterally laterally flex head & neck, rotate head & neck to same side, elevate & downwardly rotate scapula, bilaterally extend head & neck
O: transverse processes C1--C4
I: medial border of scapula between superior angle & spine
N: dorsal scapular
Term
sternocleidomastoid
Definition
A: unilaterally laterally flex head & neck to same side, rotate head & neck to opposite side; bilaterally flex head & neck; with rib fixed, assist to elevate thorax during forced inhalation
O: sternal head- top of manubrium, clavicular head, medial 1/3 clavicle
I: mastoid process of temporal bone & lateral portion of superior nuchal line of occiput
N: Accessory (cranial nerve XI)
Term
scalenes
Definition
A: all fibers unilaterally laterally flex head & neck to same side, rotate head & neck to opposite side & bilaterally elevate thorax during inhalation; anterior bilaterally flex head & neck
O: anterior-transverse processes C3-C6
middle- transverse processes C2-C7
posterior- transverse processes C6-C7
I: anterior & middle- rib 1
posterior- rib 2
N: C4-8
Term
temporalis
Definition
A: elevate & retract mandible (TM joint)
N: trigeminal (cranial nerve V)
Term
medial pterygoid
Definition
A: unilaterally deviate mandible to opposite side, bilaterally elevate & protract mandible
N: trigeminal (cranial nerve V)
Term
lateral pterygoid
Definition
A: unilaterally laterally deviate mandible to opposite side, bilaterally protract mandible
N: trigeminal (cranial nerve V)
Term
masseter
Definition
A: elevate mandible, may assist to protract mandible
N: trigeminal (cranial nerve V)
Term
splenius cervicis & capitis
Definition
A: unilaterally rotate head & neck to same side, laterally flex head & neck to same side, bilaterally extend head & neck
Term
longus colli & longus capitis
Definition
A: unilaterally laterally flex head & neck to same side & rotate head & neck to same side
bilaterally flex head & neck
Term
erector spinae group (spinalis, iliocostalis & longissimus)
Definition
A: unilaterally laterally flex vertebral column to same side
bilaterally extend vertebral column
Term
tranversospinalis group (rotatores, multifidi)
Definition
A: unilaterally rotate vertebral column to opposite side, bilaterally extend vertebral column
Term
transversospinalis group (semispinalis capitis)
Definition
A: extend vertebral column & head
Term
intertransversarii
Definition
A: unilaterally laterally flex vertebral column to same side
bilaterally extend vertebral column
Term
interspinalis
Definition
A: extend vertebral column
Term
rectus abdominus
Definition
A: flex vertebral column, posterior pelvic tilt
O: pubic crest, pubic symphysis
I: cartilage of ribs 5-7, xiphoid process
N: T7-11
Term
quadratus lumborum
Definition
A: unilaterally laterally tilt pelvis, laterally flex vertebral column to same side & assist to extend vertebral column
bilaterally fix last rib during forced inhalation & exhalation
O: posterior ilac crest
I: last rib & transverse processes L1-L4
N: lumbar plexus, T12, L1,2,3
Term
iliopsoas
Definition
A: with origin fixed, flex hip & may laterally rotate hip, with insertion fixed, flex trunk toward thigh & anteriorly tilt pelvis
O: psoas major- bodies & transverse processes lumbar vertebrae
iliacus- iliac fossa
I: lesser trochanter
N: lumbar plexus
Term
gluteus maximus
Definition
A:all fibers extend, ER & abduct hip
lower fibers adduct hip
O: cocyx, edge of sacrum, posterior iliac crest, sacrotuberous & sacroiliac ligaments
I: iliotibial tract & gluteal tuberosity
N: inferior gluteal
Term
gluteus medius
Definition
A: all fibers abduct hip
anterior fibers flex & IR hip
posterior fibers extend & ER hip
O: gluteal surface of ilium, between posterior & anterior gluteal lines
I: lateral aspect greater trochanter
N: superior gluteal
Term
gluteus minimus
Definition
A: abduct, IR & flex hip
O: gluteal surface of ilium between anterior & inferior gluteal lines
I: anterior aspect greater trochanter
N: superior gluteal
Term
tensor fascia latae
Definition
A: flex, abduct & IR hip
O: iliac crest, posterior to ASIS
I: iliotibial tract
N: superior gluteal
Term
piriformis
Definition
A: ER hip & abduct hip when hip is flexed
O: anterior surface of sacrum
I: superior aspect greater trochanter
N: sacral plexus
Term
obturator internus
Definition
A: ER hip
O: obturator membrane & inferior surface of obturator foramen
I: medial surface greater trochanter
N: sacral plexus
Term
obturator externus
Definition
A: ER hip
O: obturator membrane & rami of pubis & ischium
I: trochanteric fossa of femur
N: obturator
Term
rectus femoris
Definition
A: extend the knee, flex hip
O: AIIS
I: tibial tuberosity
N: femoral
Term
vastus lateralis
Definition
A: extend the knee
O: greater trochanter, gluteal tuberosity & lateral lip of linea aspera
I: tibial tuberosity
N: femoral
Term
vastus intermedius
Definition
A: extend the knee
O: anterior & lateral shaft of femur
N: femoral
Term
vastus medialis
Definition
A: extend the knee
O: medial lip linea aspera
I: tibial tuberosity
N: femoral
Term
sartorius
Definition
A: flex, ER & abduct hip, flex & IR knee
O: ASIS
I: proximal, medial shaft tibia at pes anserinus tendon
N: femoral
Term
biceps femoris
Definition
A: flex knee, ER flexed knee, posterior pelvic tilt
long head- extend hip, assist to ER hip
O: long head- ischial tuberosity
short head- lateral lip linea aspera
I: head of fibula
N: long head- tibial branch sciatic
short head- peroneal branch sciatic
Term
semitendinosus
Definition
A: flex knee, IR flexed knee, extend hip, assist to IR hip, posterior pelvic tilt
O: ischial tuberosity
I: proximal, medial shaft of tibia at pes anserinus tendon
N: tibial branch sciatic
Term
semimembranosus
Definition
A: flex knee, IR flexed knee, extend hip, assist to IR hip, posterior pelvic tilt
O: ischial tuberosity
I: posterior aspect medial condyle of tibia
N: tibial branch sciatic
Term
pectineus
Definition
A:adduct, IR & assist to flex hip
O: superior ramus of pubis
I: pectineal line of femur
N: femoral & obturator
Term
adductor brevis
Definition
A: adduct, IR & assist to flex hip
O: inferior ramus of pubis
I: pectineal line & medial lip of linea aspera
N: obturator
Term
adductor longus
Definition
A: adduct, IR & assist to flex hip
O: pubic tubercle
I: medial lip of linea aspera
N: obturator
Term
adductor magnus
Definition
A: adduct, IR & assist to flex hip
posterior fibers extend hip
O: inferior ramus of pubis, ramus of ischium & ischial tuberosity
I: medial lip of linea aspera & dductor tubercle
N: obturator & sciatic
Term
gracilis
Definition
A: adduct & IR hip, flex knee, IR flexed knee
O: inferior ramus of pubis
I: proximal, medial shaft tibia at pes anserinus tendon
N: obturator
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