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Kines > Hand > Flashcards

Hand Flashcards

1
Q

CMC joint- thumb articulation

A

Trapezium and base of metacarpal 1

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2
Q

MCP joint- thumb articulation

A

Head of first metacarpal, base of first proximal phalanx

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3
Q

Ip joint-thumb articulation

A

Head of proximal phalanx, base of distal phalanx

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4
Q

Cmc joint 2-5

A

Trapezoid, second. Capitate, third. Hamate, fourth and fifth

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5
Q

Mcp joint 2-5

A

Had a first metacarpal, base of first proximal phalanx

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6
Q

Pip joint 2-5

A

Head of proximal phalanx, base of middle phalanx

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7
Q

Dip joint 2-5

A

Head of middle phalanx, bees of distal phalanx

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8
Q

CmC flexion of thumb

A

Frontal plane, sagittal axis. Thumb toward fifth digit. Parallel plane

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9
Q

Cmc extension of thumb

A

Frontal plane, sagittal axis

Thumb away from fifth digit

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10
Q

CmC abduction of thumb

A

Sagittal plane, frontal axis.

Thumb away from palm into perpendicular plane

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11
Q

Cmc adduction of thumb

A

Sagittal plane, frontal axis.

Thumb toward palm

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12
Q

Mcp abduction 2-5

A

Second, fourth, fifth digit away from third digit. Their digit in either direction

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13
Q

Mcp adduction 2-5

A

Second, fourth, fifth digits move back toward third digit. Third digit cannot adduction.

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14
Q

CmC joint thumb- structure

A

Trapezium (concave) , base of first metacarpal (convex). Biaxial saddle joint

Sagg plane: ad&abduction
Frontal plane: flx&exd

Sag plane: Thumb during abduction, some moving anteriorly and base of the first metacarpal moving posteriorly. Opposite direction

Frontal: trapezium is convex, base of 1st metacarpal is concave. Same direction

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15
Q

Mcp and Ip joint structure-thumb

A

Both uniaxial hinge joints. Flexion and extension in sagittal plane. Concave on convex. Same direction

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16
Q

CmC joint structure 2-5

A

Non-axial plane shaped synovial joint. Sliding in gliding, more at digits four and five.

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17
Q

Mcp joint structure 2-5

A

By axial condyle joint. Flexion and extension and sagittal plane, abduction and adduction in frontal plane. Concave on convex, same direction. Heads of metacarpal, bases of proximal phalanx.

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18
Q

Pip and dip joint structure

A

Uniaxial hinge joint. Flexion and extension in sagittal plane. Concave on convex, same direction.

Pip: heads of proximal phalanx, bases of middle phalanx

Dip: heads of middle phalanx, bases of distal phalanx

19
Q

Palmar carpal ligament

A

Proximal, styloid processes of radius and Ulna. Holds a flexor tendons down

20
Q

Transverse carpal ligament

A

Medially on Pisiform and hook of hamate. Laterally on scaphoid and trapezium

21
Q

Carpal tunnel

A

Median nerve compressed, digits one, two, three

22
Q

Extensor retinaculum

A

Ulnar styloid process, Triquetum.

Holds down extensor tendons

23
Q

Extensor expansion ligament. Extensor hood, 2-5

A

Attachment on middle and distal phalanx’s for many muscles

24
Q

Arches of hand, proximal carpal arch

A

Carpals and proximal end of metacarpals

25
Q

Arches of hand, distill carpal arch

A

Head of metacarpals

26
Q

Arches of hand, longitudinal arch

A

Wrist, through to the tips of fingers

27
Q

Prehension

A

Hans ability to hold our grasp in manipulate objects.

Non-prehensile activities include scratching using the palm to push, pointing.

In order for functional prehension to occur, the proximal segment of the upper extremity must place the hand and appropriate position in space

28
Q

Release

A

Being able to release an object in equally as important as grasping object. Role of MP and IP extensors

29
Q

Sensation

A

In order to manipulate objects, the hand must have normal sensation!

Without sensation one would be dependent on visual feedback alone

Radio, median, Aller nerves provide the hand with its sensory innervation

30
Q

Functional position of the hand

A

Optimal position for the wrist and hand to be most effective in terms of strength and precision, rest at 20-30 degrees and extension, MCP and P IP joint are slightly flexed in the thumb is in opposition

31
Q

Power grip

A

When I object needs to be held forcefully when being moved. Occurs at proximal joint segment, fingers usually wrap around the object in One Direction and the thumb in the other.

32
Q

Cylindrical drip grip

A

Fingers are flexed around an object in orientation perpendicular to the forearm, some wraps around objects in other direction overlapping fingers, holding a hammer

33
Q

Cylindrical grip variation

A

Fingers flexed around hand of an object in a graded fashion, fifth finger flexed the most and second finger flexed the least. Thumb is parallel to handle of object. Holding a screwdriver

34
Q

Spherical grip

A

Fingers and thumb or slightly spread apart in adducted around an object. Holding a doorknob

35
Q

Hook grip

A

Flexion of digits 2–5 around an object in a hook like matter, does not use thumb. Holding a handle of suitcase

36
Q

Precision grip

A

When an object needs to be manipulated in a finer movement, threading a needle or holding a pen

37
Q

Pad to pad grip

A

Bringing the pads of the foam in one or several fingers together

38
Q

Pinch grip

A

Pad to pad grip involving the thumb and one finger most commonly the index finger

39
Q

Three jaw chuck, tripod grasp

A

Most common form of precision a grip, pad to pad grip involving the thumb and two fingers usually the middle and index fingers, holding a pen

40
Q

Tip to tip, pincer grip

A

Bringing the tip off the phone I’m up against the tip of another digit, picking up a coin

41
Q

Pad to side grip

A

The pad of the extended some presses an object against the radio side of the index finger, grasping a key to put it in the ignition.

Can’t be performed by a person who has lost thumb opposition

42
Q

Side to side grip

A

An object being held between two adopted fingers usually the index finger in the middle finger, weak grip, twirling a pen holding a cigarette

43
Q

Lumbrical grip

A

MCP joint flexed and PIP and D IP extended with the thumb opposing the fingers holding in the object, holding a plate. When something needs to be held horizontally

Kines (3 decks)

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