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Clinical Anatomy Lab > Final Practical > Flashcards

Final Practical Flashcards

1
Q

External Intercostal
Prox, Distal, Innervation & Action

A

Prox: Inferior borders of 1st - 11th ribs

Distal: Superior borders of ribs immediately below

Innervation: Adjacent intercostal nerves

Action: Elevate ribs at their costovertebral joints; provide structural support to intercostal spaces

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2
Q

Internal Intercostal
Prox, Distal, Innervation & Action

A

Prox: Inferior borders of 1st-11th ribs & their adjacent costal cartilages

Distal: Superior borders of ribs & costal cartilages right below

Innervation: Adjacent intercostal nerves

Action: Depress ribs at their costovertebral joints; provide structural support to intercostal spaces

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3
Q

Innermost costal
Prox, Distal, Innervation & Action

A

Prox: Inferior borders & internal surfaces of 1st -11th ribs

Distal: Superior borders & internal surfaces of ribs immediately below

Innervation: Adjacent intercostal nerves

Action: Elevates ribs

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4
Q

Transverse thoracic
Prox, Distal, Innervation & Action

A

Prox: Posterolateral aspect of body & diploid process of sternum

Distal: Internal surfaces of 2nd-6th costal cartilages & costal ends of adjacent ribs

Innervation: Adjacent intercostal nerves

Action: Depress ribs & their costal cartilages

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5
Q

Subcostal
Prox, Distal, Innervation & Action

A

Prox: Internal surface of 7th-10th ribs

Distal: Internal surfaces of 9th-12th ribs

Innervation: Adjacent intercostal nerves

Action: Depress ribs

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6
Q

Diaphragm
Prox, Distal, Innervation & Action

A

Prox: Xiphoid process, internal surfaces of 7th-12th costal cartilages & adjacent ribs, medial & lateral arcuate ligaments, L1-L3

Distal: Central tendon

Innervation: Phrenic nerve (motor) & phrenic & lower intercostal nerves (sensory)

Action: Inspiration

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7
Q

External Oblique
Prox, Distal, Innervation & Action

A

Prox: External surfaces & inferior borders of 5th-12th ribs

Distal: Anterior superior iliac spine, anterior half of iliac crest, pubic crest, pubic tubercle, linea alba

Innervation: Anterior rami of 7th-12th thoracic nerves

Action: Flexes, laterally flexes, & rotates trunk; compresses & provides structural support to adjacent abdominal structures

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8
Q

Internal Oblique
Prox, Distal, Innervation & Action

A

Prox: Inferior margins of 10th - 12th ribs & adjacent costal cartilages, linea alba, pecten pubis

Distal: Thoracolumbar fascia, iliac crest, inguinal ligament

Innervation: Anterior rami of 7th-12th thoracic nerves, iliohypogastric & ilioinguinal nerves

Action: Flexes, laterally flexes, & rotates trunk; compresses & provides structural support to adjacent abdominal structures

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9
Q

Transverse abdominal
Prox, Distal, innervation & action

A

Prox: Costal cartilages of 7th - 12th ribs, thoracolumbar fascia, iliac crest, & inguinal ligament

Distal: Linea alba, pubic crest, & pecten pubis

Innervation: Anterior rami of 7th-12th thoracic nerves, ilohypogastric & ilioinguinal nerves

Action: Compresses & provides structural support to adjacent abdominal structures

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10
Q

Rectus Abdominis
Prox, Distal, innervation & action

A

Prox: xiphoid process & costal cartilages of 5th - 7th ribs

Distal: Pubic crest & symphysis

Innervation: Anterior rami of 6th - 12th thoracic nerves

Action: Flexes trunk; compresses & provide structural support to adjacent abdominal structures

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11
Q

Pyramindalis
Prox, Distal, innervation & action

A

Prox: body of pubis & anterior pubic ligament

Distal: linea alba

Innervation: Anterior ramus of 12th thoracic nerve, iliohypogastric & ilioinguinal nerve

Action: Tenses linea alba

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12
Q

Gluteus Maximus
Prox, Distal, innervation & action

A

Prox: Area of ilium located posterior to its posterior gluteal line, posterior aspects of sacrum & coccyx & sacrotuberous ligaments

Distal: Tubercle of iliotibial tract on tibia via iliotibial tract & gluteal tuberosity

Innervation: Inferior gluteal nerve

Action: Extends, laterally rotates & abducts thigh

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13
Q

Gluteus medius
Prox, Distal, innervation & action

A

Prox: Area of ilium located b/w anterior & posterior gluteal lines

Distal: Lateral aspect of greater trochanter of femur

Innervation: Superior gluteal nerve

Action: Medially rotates & abducts thigh

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14
Q

Gluteus minimus
Prox, Distal, innervation & action

A

Prox: Area of ilium located b/w anterior & inferior gluteal line

Distal: Anterolateral aspect of greater trochanter of femur

Innervation: Superior gluteal nerve

Action: Medially rotates & abducts thigh

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15
Q

Piriformis
Prox, Distal, innervation & action

A

Prox: Pelvic surface of sacrum & sacrotuberous ligament

Distal: Superior border of greater trochanter of femur

Innervation: Nerve to piriformis (S1-S2)

Action: Laterally rotates & transversally abducts thigh

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16
Q

Superior gemellus
Prox, Distal, innervation & action

A

Prox: Ischial spine

Distal: medial aspect of greater trochanter of femur

Innervation: Nerve to obturator interns (L5-S2)

Action: Laterally rotates & transversally abducts thigh

17
Q

Inferior gemellus
Prox, Distal, innervation & action

A

Prox: Ischial Tuberosity

Distal: Medial aspect of greater trochanter of femur

Innervation: Nerve to quadratus femoris (L5-S1)

Action: Laterally rotates & transversally abducts thigh

18
Q

Obturator Internus
Prox, Distal, innervation & action

A

Prox: Internal surface of obturator membrane & adjacent bones

Distal: Medial aspect of greater trochanter of femur

InnerationL Nerve to obturator interns (L5-S1)

Action: Laterally rotates & transversally abducts thigh

19
Q

Quadratus Femoris
Prox, Distal, innervation & action

A

Prox: Lateral margin of ischial tuberosity

Distal: Quadrate tubercle of femur

Innervation: Nerve to quadratus femoris (L5-S1)

Action: Laterally rotates thigh

20
Q

Tensor of Fascia Lata
Prox, Distal, innervation & action

A

Prox: Anterior superior iliac spine & anterior 1/3 of outer lip of iliac crest

Distal: Tubercle of iliotibial tract on tibia via iliotibal tract

Innervation: Superior gluteal nerve (L4-S1)

Action: Assists in medial rotation, abduction, & flexion of thigh

21
Q

Long Head of Biceps Femoris
Prox, Distal, innervation & action

A

Prox: Ischial tuberosity

Distal: Head of fibula

Innervation: tibial division of sciatic nerve (L5-S2)

Action: Flexes & laterally rotates leg; extends thigh

22
Q

Short Head of Biceps Femoris
Prox, Distal, innervation & action

A

Prox: Linea aspera & lateral supracondylar line

Distal: Head of fibula

Innervation: Common fibular division of sciatic nerve (L5-S2)

Action: Flexes & laterally rotates leg

23
Q

Semitendinosus
Prox, Distal, innervation & action

A

Prox: Ischial tuberosity

Distal: Medial aspect of proximal part of tibia

Innervation: Tibial division of sciatic nerve (L5-S2)

Action: Flexes & medially rotates leg; extends thigh

24
Q

Semimembranous
Prox, Distal, innervation & action

A

Prox: Ischial Tuberosity

Distal: Medial condyle of tibia

Innervation: Tibial division of sciatic nerve (L5-S2)

Action: Flexes & medially rotates leg; extends thigh

25
Q

Adductor Magnus
Prox, Distal, innervation & action

A

Prox: Inferior pubic ramus, ramus of ischium & ischial tuberosity

Distal: Gluteal tuberosity, linea aspera, medial supracondylar line & adductor tubercle

Innervation: Obturator nerve (L2-L4) & Tibial Division of sciatic nerve (L4)

Action: Adducts, flexes, & extends thigh

26
Q

External Anal Spincter
Prox, Distal, innervation & action

A

Prox: Anococcygeal ligament

Distal: Perineal body

Innervation: Perineal & inferior anal nerves

Action: Constricts anal canal

27
Q

Obturator Internus (Tendinous Arch)
Prox, Distal, innervation & action

A

Prox: Internal surfaces of obturator membrane & adjacent bones

Distal: Medial aspect of greater trochanter of femur

Innervation: Nerve to obturator internus

Action: Laterally rotates & transversally abducts thigh

28
Q

Ischiococcygeus
Prox, Distal, innervation & action

A

Prox: Ischial Spine

Distal: Anterolateral aspects of sacrum & coccyx

Innervation: Nerve to levator ani muscle (S3-S4)

Action: Provides structural support in adjacent pelvic structures; fecal continence

29
Q

Puboccygeus
Prox, Distal, innervation & action

A

Prox: Posterior aspect of body of pubic & tendinous arch of elevator ani

Distal: Coccyx, pubococcygeus tendon, perineal body & lateral walls of vagina in females & prostate in males

Innervation: Nerve to levator ani muscle (S3-S4); inferior anal & perineal nerves

Action: Provides structural support to adjacent pelvic structures; urinary & fecal continence

Clinical Anatomy Lab (7 decks)

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