Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Kinesiology > Chapter 13 (Hand) > Flashcards

Chapter 13 (Hand) Flashcards

1
Q

What bones is the hand composed of?

A
  • Thumb -Fingers

- Metacarpals - Phalanges

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What are the 3 joints of the thumb?

A
  • Carpometacarpal (CMC)
  • Metacarpophalangeal (MCP)
  • Interphalangeal (IP)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What are the motions of the thumb?

A
  • Extension -Flexion
  • Opposition - Adduction
  • Abduction
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Name the digits (fingers) (2-5)

A 
2nd = Index          3rd= middle
4th= ring               5th= little finger
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What are the 4 joints of the hand?

A
  1. Carpometacarpal
  2. Metacarpophalangeal
  3. Proximal interphalangeal
  4. Distal interphalangeal
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Describe the carpometacarpal joint

A
  • Nonaxial plane
  • No motion
  • Digits 2-5
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Describe the metacarpophalamgeal joint

A
  • Biaxial (moves in 2 planes)
  • Knuckles
  • flexion, extension (sag. plane)
  • Abduction (frontal plane)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Describe the interphalangeal joint (proximal +distal)

A
  • two interphalangeal joints in fingers (2-5)
  • Uniaxial, hinge joint
  • Flexion, extension
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

How many phalanges does the thumb and fingers each have?

A 
thumb = 2 phalanges 
fingers= 3 phalanges
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What are some of the most common ligaments/structures of the hand?

A
  • Flexor Retinaculum
  • Palmer carapal ligament
  • Transverse carpal ligamnets
  • Extensor retinaculum
  • Extensor retinaculum ligaments
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

-This ligament a fibrous band that spans over the anterior wrist. -Has 2 parts: palmar carpal/transverse carpal ligament.

A

Flexor Retinaculum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

This ligament is usually cut to get rid of carpal tunnel syndrome

A

Transverse carpal ligament

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

This ligament a fibrous band transversing the wrist on the posterior side. -Holds the extensor tendons to the wrist.

A

Extensor retinaculum ligament

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Why are there acrhes in the hand?

A

Due to how the bones sit, the functional movement, and ability of thumb opposition.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Extrinsic

A
  • Proximal attachment proximal to the wrist
  • Assistive role in wrist function
  • Primary func. at thumb or fingers
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q 
O= Outside the wrist 
I= Inside the hand 
Role= Move fingers
A

Extrinsic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Intrinsic

A
  • Proximal attachment at or distal to the carpal bones
  • For fine motor control. precision movement of the hand
  • Functions at thumb or fingers
  • Thenar, hypothenar
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

O+I = Inside the hand

A

Intrinsic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Name some extrinsic anterior muscles

A
  • Flexor digitorum superficialis
  • Flexor digitorum profundus
  • Flexor pollicis longus
20
Q

Name some extrinsic posterior muscles

A
  • Extensor digitorum
  • Extensor digiti minimi
  • Extensor indicis
  • Abductor pollicis longus
  • Extensor pollicis longus
  • Extensor pollicis brevis
21
Q

What is the origin, insertion and action of the flexor digitorum superficialis muscle?

A 
O= medial epicondyle of humerus 
I= middle phalanx 2-5 
A= MCP/PIP joint flexion, assists with wrist flexion
22
Q

What is the origin, insertion and action of the flexor digitorum profundus muscle?

A 
O= Ulna 
I= Distal phalanx 2-5 
A= Flexes all 3 finger joints (MCP, PIP, DIP)
23
Q

What is the origin, insertion and action of the extensor digitorum muscle?

A 
O= Lateral epicondyle of humerus 
I= Distal phalanx 2-5 
A= Extends all 3 finger joints (MCP, PIP, DIP)
24
Q

What is the origin, insertion and action of the extensor indicis muscle?

A 
O= Ulna 
I= Distal phalanx of 2nd finger 
A= Extends all 3 joints  of 2nd finger(MCP, PIP, DIP)
25
Q

What is the origin, insertion and action of the extensor digiti minimi muscles?

A 
O= Lateral epicondyle of humerus 
I= distal phalanx 5th finger 
A= Extends all 3 joints of 5th finger (MCP, PIP, DIP)
26
Q

What is a common latin term for thumb?

A

Pollicis

27
Q

What are some extrinsic thumb muscles?

A
  • Flexor pollicis longus
  • Abductor pollicis longus
  • Extensor pollicis longus
  • Extensor pollicis brevis
28
Q

What is the origin, insertion and action of the flexor pollicis longus muscle?

A 
O= radius 
I= Distal phalanx thumb 
A= Flexes all 3 joints of thumb (CMC, MCP, IP)
29
Q

What is the origin, insertion and action of the abductor pollicis longus muscle?

A 
O= Radius 
I= 1st metacarpal 
A= Abducts thumb (CMC)
30
Q

What is the origin, insertion and action of the extensor pollicis brevis muscle?

A 
O= Radius 
I= Thumb 
A= Extends CMC, MCP joints of thumb
31
Q

What is the origin, insertion and action of the extensor pollicis longus muscle?

A 
O= Ulna 
I= Thumb 
A= Extends all 3 joints of the thumb (CMC, MCP, IP)
32
Q

What are the 2 intrinsic muscles of the hand?

A
  1. Thenar

2. Hypothenar

33
Q

Chunk of tissue at the base of the thumb (moves thumb)

A

Thenar

34
Q

Bulk of tissue on the ulnar side of hand

A

Hypothenar

35
Q

What are 2 types of grasps?

A
  1. Power grips

2. Precision grips

36
Q

This type of grasp is used when objects need to be held forcefully while being moved. Whole hand grasp.

A

Power grip

37
Q

This type of grasp is used when an object needs to be manipulated. Finer type of movement. Uses the thumb and finger tips.

A

Precision grip

38
Q

What type of grasp is used to hold a hammer or using a door knob?

A

Power grip

39
Q

What type of grasp is used to hold a pen or thread a needle?

A

Precision grip

40
Q

Power Grip: Cyclindrical grip

A
  • All fingers flexed around a object

- Ex. Holding a hammer, racquet, bottle, wheelbarrow

41
Q

Power Grip: Spherical grip

A
  • All fingers and thumb adducted around an object
  • Fingers spread apart, palm not involved
  • Ex. Picking up a glass by its top, holding an apple or doorknob
42
Q

Power Grip: Hook grip

A
  • 2nd-5th fingers flexed around an object in a hooklike manner
  • Thumb not usually involved
  • Ex. Holding onto a handle like a suitcase, wagon, bucket
43
Q

Precision Grip: Pad-to-pad —> Pinch grip

A
  • MCP and PIP joints/fingers flexed

- Thumb and index finger

44
Q

Precision Grip: Pad-to-pad—> Three-jaw chuck

A
  • Involves thumb, index, middle fingers

- Ex. Holding a pen

45
Q

Precision Grip: Pad-to-side –> Lateral Prehension

A
  • Thumb pressed up on side of the index finger

- Ex. Holding a key

46
Q

Precision Grip: Side-to-side

A
  • Similar to pad-to-side grip
  • Req. adduction of 2 fingers (index or middle)
  • Weak grip
  • Ex. Holding a cigarette or pencil

Kinesiology (10 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions