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Gross Anatomy Lab - tables > Lab 3 - Posterior Hip & Lower Limb > Flashcards

Lab 3 - Posterior Hip & Lower Limb Flashcards

1
Q

gluteus maximus

action, innevation, proximal / distal attachment?

A

action

1) hip joint extension
2) hip joint abduction
3) hip joint external rotation

innervation

inferior gluteal nerve

proximal attachment

ilium (posterior gluteal line)

sacrum and coccyx

sacrotuberous ligament

distal attachment

femur (gluteal tuberosity)

iliotibial tract (a lateral condensation of the fascia lata)

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2
Q

gluteus medius

action, innervation, proximal/distal attachment?

A

action

1) hip joint abduction
2) hip joint internal rotation

* during stride, hip joint stabilization on stance side to prevent pelvis tilting downward to unsupported swing side

innervation

superior gluteal nerve

proximal attachment

ilium (btwn anterior and posterior gluteal lines)

distal attachment

femur (greater trochanter)

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3
Q

gluteus minimus

action, innervation, proximal / distal attachment?

A

action

1) hip joint abduction
2) hip joint internal rotation

* during stride, stabilizes hip joint on stance side to prevent pelvic drop on swing side

innervation

superior gluteal nerve

proximal attachment

ilium (btwn inferior and anterior gluteal lines)

distal attachment

femur (greater trochanter)

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4
Q

tensor fasciae latae

action, innervation, proximal / distal attachment?

A

action

hip joint abduction

* hip joint flexion also listed sometimes

innervation

superior gluteal nerve

proximal attachment

ilium (lateral iliac crest)

distal attachment

iliotibial tract

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5
Q

piriformis

action, innervation, proximal / distal attachment?

A

action

1) hip joint external rotation
2) hip joint abduction when hip joint is flexed

innervation

nerve to piriformis

proximal attachment

sacrum (internal surface)
then‐greater sciatic
foramen

distal attachment

femur (greater trochanter)

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6
Q

superior gemellus

action, innervation, proximal / distal attachment?

A

action

1) hip joint external rotation
2) hip joint abduction when hip joint is flexed

innervation

nerve to obturator internus

proximal attachment

ischium (spine)

distal attachment

**femur **(greater trochanter)

internal obturator tendon

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7
Q

internal obturator

action, innervation, proximal / distal attachment?

A

action

1) hip joint external rotation
2) hip joint abduction when hip joint is flexed

innervation

nerve to obturator internus

proximal attachment

pelvis (internal margin of obturator foramen)

obturator membrane

distal attachment

femur (greater trochanter)

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8
Q

inferior gemellus

action, innervation, proximal / distal attachment?

A

action

1) hip joint external rotation
2) hip joint abduction when hip joint is flexed

innervation

nerve to quadratus femoris

proximal attachment

ischium (tuberosity)

distal attachment

femur (greater trochanter)

Internal obturator tendon

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9
Q

quadratus femoris

action, innervation, proximal / distal attachment?

A

action

Hip joint external rotation

innervation

nerve to quadratus femoris

proximal attachment

ischium (tuberosity)

distal attachment

femur (intertrochanteric crest)

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10
Q

biceps femoris – long head

action, innervation, proximal / distal attachment?

A

action

1) hip joint extension
2) knee joint flexion and slight external rotation when knee is flexed

innervation

tibial nerve

proximal attachment

ischium (tuberosity)

distal attachment

fibula (head)

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11
Q

biceps femoris – short head

action, innervation, proximal / distal attachment?

A

action
knee joint flexion and slight external rotation when knee is flexed

innervation
fibular nerve

proximal attachment
femur (linea aspera and lateral supracondylar line)

distal attachment
fibula (head)

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12
Q

semitendinosus

action, innervation, proximal / distal attachment?

A
  • *action**
    1) hip joint extension
    2) knee joint flexion and slight internal rotation when knee is flexed

innervation
tibial nerve

proximal attachment
ischium (tuberosity)

distal attachment
tibia (proximal medial surface)
Pes anserinus (with sartorius and gracilis muscles)

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13
Q

semimembranosus

action, innervation, proximal / distal attachment?

A
  • *action**
    1) hip joint extension
    2) knee joint flexion and slight internal rotation when knee is flexed

innervation
tibial nerve

proximal attachment
ischium (tuberosity)

distal attachment
tibia (medial condyle)

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14
Q

gastrocnemius (lateral head and medial head)

action, innervation, proximal / distal attachment?

A
  • *action**
    1) knee joint flexion
    2) ankle joint plantarflexion

innervation
tibial nerve

proximal attachment
femur (lateral head attaches to lateral condyle; medial head attaches to medial condyle)

distal attachment
calcaneus via calcaneal (Achilles) tendon

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15
Q

plantaris

action, innervation, proximal / distal attachment?

A
  • *action**
    1) weak knee joint flexion
    2) ankle joint plantarflexion

innervation
tibial nerve

proximal attachment
femur (lateral supracondylar line)

distal attachment
calcaneus via calcaneal (Achilles) tendon

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16
Q

soleus

action, innervation, proximal / distal attachment?

A

action
ankle joint plantarflexion

innervation
tibial nerve

proximal attachment
tibia (soleal line)
fibula (head, neck, and proximal shaft)

distal attachment
calcaneus via calcaneal tendon

17
Q

popliteus

action, innervation, proximal / distal attachment?

A
  • *action**
    1) knee joint flexion
    2) knee joint internal rotation (unlocks extended knee)

innervation
tibial nerve

proximal attachment
femur (lateral condyle)

distal attachment
tibia (medial proximal surface)

18
Q

flexor hallucis longus

action, innervation, proximal / distal attachment?

A
  • *action**
    1) ankle joint plantarflexion
    2) digit 1 (great toe) flexion (metarsophalangeal, PIP, and DIP joints)

innervation
tibial nerve

proximal attachment
fibula (distal shaft)
interosseous membrane

distal attachment
distal phalanx 1 (base)

Note: hallux = great toe

19
Q

flexor digitorum longus

action, innervation, proximal / distal attachment?

A
  • *action**
    1) ankle joint plantarflexion
    2) digit 2‐5 flexion (MTP, PIP, DIP joints)

innervation
tibial nerve

proximal attachment
tibia (middle shaft)

distal attachment
distal phalanges 2-5 (bases)

20
Q

fibularis longus

action, innervation, proximal / distal attachment?

A

action
ankle joint plantarflexion
subtalar joint eversion

**innervation**
 superficial fibular (peroneal) nerve

proximal attachment
fibula (proximal shaft)

**distal attachment**
 medial cuneiform (plantar surface)
 metatarsal 1 (plantar base)
21
Q

fibularis brevis

action, innervation, proximal / distal attachment?

A

action
ankle joint plantarflexion
subtalar joint eversion

**innervation**
 superficial fibular (peroneal) nerve

proximal attachment
fibula (middle and distal shaft)

**distal attachment**
 metatarsal 5 (dorsal base)

Gross Anatomy Lab - tables (4 decks)

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