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Human Anatomy - Final Exam > Plane Joints > Flashcards

Plane Joints Flashcards

1
Q

What are plane joints?

A
  • uni-axial joints that allow movement in the frontal plane
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2
Q

What is the movements of plane joints?

A
  • gliding/sliding
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3
Q

What are the 3 plane joints?

A
  • acromioclavicular joint
  • carpals
  • tarsals
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4
Q

What is the classification of the acromioclavicular (AC) joint?

A
  • structural = synovial
  • functional = diarthrosis
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5
Q

What are the 2 bones involved with the acromioclavicular (AC) joint?

A
  • scapula
  • clavicle
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6
Q

What are the 2 ligaments that support the acromioclavicular (AC) joint?

A
  • coracoclavicular ligament
  • coracoacromial ligament
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7
Q

What are the 4 acting muscles of the acromioclavicular (AC) joint?

A
  • Pectoralis major (clavicular head)
  • sternocleidomastoid
  • trapezius
  • deltoid
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8
Q

What is a functional movement of the acromioclavicular (AC) joint?

A
  • allows additional rotation of the scapula on the thorax
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9
Q

What are clinical findings of the acromioclavicular (AC) joint?

A
  • shoulder “separations” occur here
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10
Q

What is the classification of the carpals?

A
  • structural = synovial
  • functional = diarthrosis
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11
Q

What are the 8 bones involved with the carpals?

A
  • scaphoid, lunate, triquetrum, pisiform (proximal row)
  • trapezium, trapezoid, capitate, hamate (distal row)
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12
Q

What are the 6 ligaments that support the carpals?

A
  • radial/ulnar collateral ligaments (stability of the wrist)
  • volar radiocarpal ligament (web of ligaments that support the palm side of the wrist)
  • dorsal radiocarpal ligament (supports back side of the wrist)
  • ulnocarpal/Radioulnar ligaments (main support of the wrist)
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13
Q

What are the 4 superficial muscles of the anterior compartment that act on the carpals?

A
  • flexor carpi ulnaris/radialis
  • palmaris longus
  • Pronator teres
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14
Q

What is the intermediate muscle of the anterior compartment that acts on the carpals?

A
  • flexor digitorum superficialis
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15
Q

What are the 3 deep muscles of the anterior compartment that act on the carpals?

A
  • flexor pollicis longus
  • flexor digitorum profundus
  • Pronator quadratus
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16
Q

What are the 7 superficial muscles of the posterior compartment that act on the carpals?

A
  • extensor digitorum
  • extensor digiti minimi
  • extensor carpi ulnaris
  • extensor carpi radialis longus/brevis
  • brachioradialis
  • anconeus
17
Q

What are the 5 deep muscles of the posterior compartment that act on the carpals?

A
  • supinator
  • extensor pollicis longus/brevis
  • abductor pollicis longus
  • extensor indices
18
Q

What are functional movements of the carpals?

A
  • fine motor skills of the hand (grabbing/griping)
19
Q

What are clinical findings of the carpals?

A
  • the scaphoid is a common bone to fracture
  • the lunate is most likely to dislocate
20
Q

What is the classification of the tarsals?

A
  • Talocrural joint: hinge (synovial/diarthrosis) joint
  • Subtalar joint: plane (synovial/diarthrosis) joint
21
Q

What are the 5 bones involved with the tarsals?

A
  • calcaneus (largest, strongest, most inferior bone)
  • talus (superior to the calcaneus)
  • cuboid (near the little toe)
  • navicular (medial to the cuboid)
  • cuneiforms (medial/intermediate/lateral or 1st, 2nd, 3rd — 1st cuneiform is lateral on big toe)
22
Q

What are the 8 ligaments that support the tarsals?

A
  • anterior/posterior (lateral) talofibular ligament
  • calcaneofibular ligament
  • deltoid ligament (medial)
  • bifurcate ligament
  • short/long planter ligaments
  • plantar fascia ligament
23
Q

What are the 2 dorsal muscles that act on the tarsals?

A
  • extensor digitorum brevis
  • extensor Hallucis brevis
24
Q

What are the 3 muscles of the first layer of the plantar aspect that act on the tarsals?

A
  • abductor Hallucis
  • flexor digitorum brevis
  • adductor digiti minimi
25
Q

What are the 2 muscles of the second layer of the plantar aspect that act on the tarsals?

A
  • quadratus plantae
  • lumbricals
26
Q

What are the 3 muscles of the third layer of the plantar aspect that act on the tarsals?

A
  • flexor Hallucis brevis
  • adductor Hallucis
  • flexor digiti minimi brevis
27
Q

What are the functional movements of the tarsals?

A
  • dorsiflexion/plantarflexion
  • inversion/eversion
28
Q

What are clinical findings of the tarsals?

A
  • 3 arches to the foot
  • B-C lateral longitudinal arch
  • A-C medial longitudinal arch
  • A-B transverse arch

Human Anatomy - Final Exam (12 decks)

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