1
Q
sagittal plane with frontal axis promotes:
A
flexion/ extension
2
Q
frontal plane with sagittal axis promotes:
A
abduction/ adduction
3
Q
transverse plane with vertical axis promotes
A
internal/ external rotation
4
Q
flexion/ extension occurs in:
A
sagittal plane/ frontal axis
5
Q
abduction/ adduction occurs in:
A
frontal plane/ sagittal axis
6
Q
internal/ external rotation occurs in:
A
transverse plane/ vertical axis
7
Q
isometric
A
static movement
- promotes stability
7
Q
isotonic
A
concentric/ eccentric
- promotes movement
8
Q
concentric
A
- shortening
- away from gravity
9
Q
eccentric
A
- lengthening
- towards gravity
10
Q
agonist
A
11
Q
antagonist
A
12
Q
humeroulnar joint
A
- hinge
- uniaxial
- flexion/ extension
13
Q
humeroradial joint
A
- modified hinge
- biaxial
- flexion/ extension & rotation
14
Q
proximal radioulnar joint
A
- pivot
- uniaxial
- pronation/ supination
15
Q
cubitus varus
A
medial angulation of the elbow (more than normal)
16
Q
cubitus valgus
A
lateral angulation of the elbow
17
Q
joints involved in forearm rotation
A
- humeroradial
- proximal & distal radioulnar
18
Q
flexors of the elbow
A
- biceps brachii
- brachialis
- brachioradialis
19
Q
primary function of biceps brachii :
assists with :
A
- elbow flexion
- forearm supination
20
Q
primary function of brachialis :
A
elbow flexion
21
Q
primary function of the brachioradialis :
A
- elbow flexion
- can pronate/ supinate the thumb into a neutral position
21
Q
extensors of the elbow
A
- triceps brachii
- anconeus
21
Q
3 heads of the triceps brachii
A
- long
- lateral
- medial
22
rotators of the forearm
- biceps brachii
- supinator
- pronator teres
- pronator quadratus
23
supinators of the forearm
- biceps brachii
- supinator
24
pronators of the forearm
- pronator teres
- pronator quadratus
25
FOOSH stands for :
fall on outstretched hands
26
wrist and some finger _____ originate from the medial epicondyle
- flexors
27
wrist and some finger _____ originate from the lateral epicondyle
extensors
28
distal radioulnar joint + supporting ligaments
- pivot
- uniaxial
- pronation/ supination
- volar/ dorsal radioulnar ligaments
29
wrist (radiocarpal joint)
- ellipsoid
- biaxial
- flexion/ extension
- radial/ ulnar deviation
30
carpometacarpal joints of the fingers
- gliding
- volar/ dorsal gliding
31
metacarpophalangeal joints
- ellipsoid
- biaxial
- flexion/ extension & abduction/ adduction
32
interphalangeal joint (PIPS & DIPS)
- hinge
- uniaxial
- flexion/ extension
33
carpometacarpal joint of the thumb
- saddle
- biaxial
- flexion/ extension & abduction/ adduction
34
extrinsic flexor muscles in the wrist (6)
- flexor carpi radialis (FCR)
- flexor carpi ulnaris (FCU)
- palmaris longus (PL)
- flexor digitorum superficialis (FDS)
- flexor digitorum profundus (FDP)
- flexor pollicis longus (FPL)
35
what is the palmaris longus responsible for :
object grasp
36
FCR & FCU are responsible for :
pure wrist flexion
37
FDS is responsible for :
- flexes each joint it crosses (MCP & PIP)
- functional grasp and pinch
- only muscle that can independently flex the PIPS
38
FDP is responsible for :
- flexes each joint it crosses (MCP & PIP & DIP)
- only muscle that can independently flex the DIPS
39
FPL is responsible for :
- flexing all joints of the thumb
40
extrinsic extensor muscles in the wrist (9)
- extensor carpi radialis longus (ECRL)
- extensor carpi radialis brevis (ECRB)
- extensor carpi ulnaris (ECU)
- extensor digitorum (ED)
- extensor indicis (EI)
- extensor digiti minimi (EDM)
- abductor pollicis longus (APL)
- extensor pollicis brevis (EPB)
- extensor pollicis longus (EPL)
41
ECRL & ECRB are responsible for :
wrist extension w/ ECU
42
ECU is responsible for :
wrist extension w/ ECRL & ECRB
43
ED is responsible for :
- simultaneous/ individual finger extension
44
boutonniere deformity
- PIP flexion
- DIP hyperextension
45
swan-neck deformity
- PIP hyperextension
- DIP flexion
46
EI is responsible for :
index finger extension
47
EDM is responsible for :
pinky finger extension
48
APL is responsible for :
- radial abduction
- extension of CMC joint
THUMB
49
EPB is responsible for :
- radial abduction
- extension of MCP joint
- THUMB
50
EPL is responsible for :
- radial abduction
- extension of IP joint
- THUMB
51
intrinsic hand muscles (6)
- thenar muscles
- hypothenar muscles
- palmar interossei
- dorsal interossei
- adductor pollicis
- lumbricals
52
what do the thenar muscles do?
- abduct, flex, medially rotate the thumb (opposition)
53
what do the hypothenar muscles do?
independent abduction and flexion
54
what do the palmar interossei do?
adducts the digits toward the middle finger
- extend PIPS and DIPS
55
what do the dorsal interossei do?
abducts the digits
- extend PIPS and DIPS
56
what does the adductor pollicis do?
- lateral (key) pinch
- adducts the thumb against the radial aspect of the index finger
57
