Term
|
Definition
| Articulating surface of moving arm moves in the opposite direction as moving arm |
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Term
|
Definition
| Articulating surface of moving arm moves in the same direction as moving arm |
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Term
Wrist function
kinematics? |
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Definition
| allows for changes in orientation of hand relative to forearm |
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Term
|
Definition
| Transmits loads to/from hand and forearm |
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Term
| Finger flexion + extension controls ______ ______ _______ for maximal finger movement for ______ |
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Definition
| Finger flexion + extension controls LENGTH TENSION RELATIONSHIP for maximal finger movement for GRIP |
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Term
| Max grip strength: __* of __________ |
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Definition
| Max grip strength: 20* of EXTENSION |
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Term
| Least grip strength: __* of _______ |
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Definition
| Least grip strength: 40* of FLEXION |
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Term
|
Definition
TFCC degeneration
Osteoarthritis
Rheumatoid arthritis |
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Term
|
Definition
Trapezium
Trapezoid
Capitate
Hamate |
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Term
T/F
The distal carpal row is a mobile row |
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Definition
F
THE DISTAL CARPAL ROW IS IMMOBILE |
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Term
| The distal carpal row, concave-convex, or convex-concave? |
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Definition
DISTAL CARPAL ROW
CONCAVE-CONVEX |
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Term
|
Definition
scaphoid
lunate
triquetrum
pisiform |
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Term
| The proximal row articulates with the ______ ______ |
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Definition
| The proximal row articulates with the DISTAL RADIUS |
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Term
| the Pisiform functions as a ______ ____, mechanically enhances pull of ______, and does not participate in __________ articulation |
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Definition
| the Pisiform functions as a SESAMOID BONE, mechanically enhances pull of FCU, and does not participate in RADIOCARPAL articulation |
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Term
| FCU attaches to the _______ as it passes on to the __________ + __ ____ |
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Definition
| FCU attaches to the PISIFORM as it passes on to the HAMATE + 5TH MC |
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Term
Midcarpal joint
what type of joint?
how many *s of freedom?
capsule?
configuration |
|
Definition
MIDCARPAL JOINT
Condyloid
2*s of freedom
no capsule
concave-convex |
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|
Term
Radiocarpal joint (RC)
bones? |
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Definition
Radius
Scaphoid
Lunate
Triqeutrum
TFCC |
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|
Term
Radiocarpal joint (RC)
type of joint?
*s of freedom
capsule?
configuration? |
|
Definition
RC JOINT
condyloid
2*s of freedom
has its own capsule
convex on concave |
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|
Term
| Radiocarpal joint motion results from? |
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Definition
| from muscles that are attached to the distal carpal row + MCs |
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Term
|
Definition
Distal Radius
Lunate
Triquetrum
Distal Ulna |
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|
Term
| Except for the thumb, each digital ray consists of _ ___, and _ ________ |
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Definition
| Except for the thumb, each digital ray consists of 1 MCs, and 3 PHALANGES |
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Term
| Each finger ray articulates proximally with a _____ ____, creating a _____ ____ |
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Definition
| Each finger ray articulates proximally with a CARPAL BONE, creating a CMC JOINT |
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Term
| Metacarpals connect with _____ ______ creating the MCP joints |
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Definition
| Metacarpals connect with PROXIMAL PHALANX creating the MCP joints |
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|
Term
| 2 Types of Interphalangeal joints |
|
Definition
Proximal (PIP)
or
Distal (DIP) |
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Term
| arches of the hand allows for? |
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Definition
| arches of the hand allows for PALM TO FLATTEN OR CUP TO MANIPULATE VARIOUS OBJECTS |
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Term
| Shape of hand is controlled by what muscles? |
|
Definition
EXTRINSIC MUSCLES
FDS
FDP
FPL
EPL
EPB
APL
EI
ED
EDQ |
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|
Term
| hand arches are maintained by which muscles? |
|
Definition
INTRINSIC MUSCLES
DI
PI
LUMBRICALS
APB
FPB
OP
ADQ
FDQ
AP |
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Term
| there are 2 __________ arches; the __________ ___________ arch, and the _______ ________ arch |
|
Definition
| there are 2 TRANSVERSE arches; the PROXIMAL TRANSVERSE arch, and the DISTAL TRANSVERSE arch |
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|
Term
Proximal Transverse arch?
keystone?
location?
mobility? |
|
Definition
PROXIMAL TRANSVERSE ARCH
keystone is the capitate.
Lies at the level of distal carpals
fixed, no mobility |
|
|
Term
Distal Transverse arch?
keystone?
location?
mobility? |
|
Definition
Distal Transverse arch?
keystone is head of 3rd MC
Passes through heads of all MCs
mobile |
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|
Term
| How many longitudinal arches are there? |
|
Definition
|
|
Term
| the Immobile joint of hand consists of: |
|
Definition
Trapezoid
Capitate
2nd MCP
3rd MCP |
|
|
Term
| What allows for palmar displacement important for gripping? |
|
Definition
4th MCP
5th MCP
articulation with Hamate |
|
|
Term
| Efficient prehensile function depends on 3 things: |
|
Definition
1. of CMC with 4th + 5th MCP
2. Rigidity of 2nd + 3rd MCP
3. balanced action Extrinsic + Intrinsic muscles |
|
|
Term
| Palmar ligaments are ____ + _____ while Dorsal ligaments are _____ + ______ in ________ |
|
Definition
| Palmar ligaments are THICK + STRONG while Dorsal ligaments are THINNER + FEWER in NUMBERS |
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|
Term
| Extrinsic ligaments run from _______ to ______ to _______ |
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Definition
| Extrinsic ligaments run from RADIUS to CARPUS to METACARPALS (MCs) |
|
|
Term
| are Extrinsic or Intrinsic wrist ligaments more likely to fail with injury or trauma? |
|
Definition
| Extrinsic wrist ligaments are more likely to fail with injury or trauma? |
|
|
Term
| Deep Palmar Extrinsic Wrist Ligaments |
|
Definition
Deep Palmar Extrinsic Wrist Ligaments
Radioscaphocapitate
Radiolunate
Radioscapholunate |
|
|
Term
| Superficial Extrinsic Wrist Ligaments |
|
Definition
Superficial Extrinsic Wrist Ligaments
Radial collateral
Ulnolunate
Radiotriquetral ligament
Ulnar collateral |
|
|
Term
| Extrinsic Dorsal Wrist ligaments |
|
Definition
Extrinsic Dorsal Wrist ligaments
Radiotriquetral
Radiolunate
Radioscaphoid |
|
|
Term
| INTRINSIC Dorsal Wrist Ligaments |
|
Definition
INTRINSIC Dorsal Wrist Ligaments
Dorsal Intercarpal
Trapeziotrapezoid
trapeziocapitate
capitohamate |
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|
Term
| Flexor Superficialis attaches to which phalanx? |
|
Definition
| Flexor Superficialis attaches to MID PHALANX |
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|
Term
| Flexor Profundus attaches to which phalanx |
|
Definition
| Flexor Profundus attaches to the DISTAL PHALANX |
|
|
Term
| there are _ dense annular pulleys,and _ cruciform pulleys |
|
Definition
| there are 5 dense annular pulleys,and 3 cruciform pulleys |
|
|
Term
| Fibrous sheaths prevent what? |
|
Definition
|
|
Term
Volar plate
reinforces?
prevents?
moves how? |
|
Definition
VOLAR PLATE
Reinforces Anterior joint capsule
Prevents impingement of flexor tendons during MCP flexion
slides proximally during MCP flexion |
|
|
Term
Extensor Communis splits into _#_ parts,
_ ___ ___ runs dorsally and inserts on the base of middle phalanx; and _ _______ _______ run along the side of PIP joints and insert on distal phalanx |
|
Definition
Extensor Communis splits into 3 parts,
1 MEDIAL BAND runs dorsally and inserts on the base of middle phalanx; and 2 LATERAL BANDS run along the side of PIP joints and insert on distal phalanx |
|
|
Term
| During PIP flexion, central band is ____ and the lateral band is _______ |
|
Definition
| During PIP flexion, central band is TAUT and the lateral band is SLACK |
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|
Term
| DIP flexion creates movement at PIP via _________ ________ creating a _______ _____ |
|
Definition
| DIP flexion creates movement at PIP via RETINACULAR LIGAMENTS creating a COUPLING MOTION |
|
|
Term
| Coupling motion of DIP + PIP motion allows fingers to _____ |
|
Definition
| Coupling motion of DIP + PIP motion allows fingers to LOCK |
|
|
Term
| 2 wrist muscles that originate above the elbow are: |
|
Definition
Bracioradialis
Extensor Carpi Radialis Longus |
|
|
Term
| With more ______ you have ______ excursion |
|
Definition
| With more FLEXION you have LESS excursion |
|
|
Term
| For stability, the Extensor digitorum communis and extensor indicis is paired with ___ + _____ _______ ________ |
|
Definition
| For stability, the Extensor digitorum communis and extensor indicis is paired with FCU + FLEXOR POLLICIS LONGUS |
|
|
Term
| For stability, ECU is paired with ________ _______ _____ + ________ _______ _______ |
|
Definition
| For stability, ECU is paired with EXTENSOR POLLICIS BREVIS + ABDUCTOR POLLICIS LONGUS |
|
|
Term
| Hand performance depends on coordinated action of _______ + _______ muscles |
|
Definition
| Hand performance depends on coordinated action of EXTRINSIC + INTRINSIC muscles |
|
|
Term
| Greatest ROM with radial + ulnar deviation happens in ________ wrist ___/___ |
|
Definition
| Greatest ROM with radial + ulnar deviation happens in NEUTRAL wrist FLEX/EXT |
|
|
Term
| Closed pack position happens in wrist ________ |
|
Definition
| Closed pack position happens in wrist EXTENSION |
|
|
Term
| Loos packed position happens in wrist_______ |
|
Definition
| Loos packed position happens in wrist FLEXION |
|
|
Term
Wrist Osteokinematics
Flexion/Extension |
|
Definition
coronal axis
sagittal plane
flexion= 80*
Extension= 70* |
|
|
Term
Wrist Osteokinematics
Radial/Ulnar Deviation |
|
Definition
AP axis
Frontal Axis
Ulnar Deviation= 30/35*
Radial deviation= 20/25* |
|
|
Term
| All planar wrist motions' axis is in the _______ |
|
Definition
| All planar wrist motions' axis is in the CAPITATE |
|
|
Term
Radio Ulnar Joint
configuration? |
|
Definition
|
|
Term
| Proximal carpal row moves ________ of hand movement |
|
Definition
| Proximal carpal row moves opposite of hand movement |
|
|
Term
Midcarpal joint
configuration? |
|
Definition
|
|
Term
Arthrokinematics of Wrist Motion
Flexion |
|
Definition
|
|
Term
Arthrokinematics of wrist motions
Extension |
|
Definition
~33.5% Midcarpal
~66.5% RC |
|
|
Term
Arthrokinematics of wrist motions
Radial Deviation |
|
Definition
|
|
Term
Arthrokinematics of wrist motions
Ulnar Deviation |
|
Definition
|
|
Term
| Wrist consists of RC convex on concave joint, therefore, in radial deviation carpals move ________ on concave radius + radioulnar disk |
|
Definition
| Wrist consists of RC convex on concave joint, therefore, in radial deviation carpals move ULNARLY on concave radius + radioulnar disk |
|
|
Term
| In radial deviation is checked by __________ lunate |
|
Definition
| In radial deviation is checked by RADIOLUNATE lunate |
|
|
Term
| In ulnar deviation, motion is checked by the ___________ ligament |
|
Definition
| In ulnar deviation, motion is checked by the ULNOLUNATE ligament |
|
|
Term
| In wrist extension, 3 motions occur: |
|
Definition
1: capitate moves on scaphoid
2: scaphoid moves on lunate
3: scaphoid moves on radius |
|
|
Term
| Scaphoid and lunate become in closed pack at __* of ______ |
|
Definition
| Scaphoid and lunate become in closed pack at 45* of EXTENSION |
|
|
Term
|
Definition
Hook Grip
Spherical Grip
Cylindrical Grip
Lateral Grip |
|
|
Term
| with the Cylindrical Grip, the ___ is a large contributor |
|
Definition
| with the Cylindrical Grip, the FDP is a large contributor |
|
|
Term
| 3 varieties of prehension of Precision handling |
|
Definition
1: pad to pad
2: tip to tip
3: pad to side |
|
|
Term
| the 1st CMC,is connected to __ __ + _______ |
|
Definition
| the 1st CMC,is connected to 1st MC + Trapezium |
|
|
Term
| with the Thumb, the Trapezium is concave in the ______ plane, convex in the ________ plane |
|
Definition
| with the Thumb, the Trapezium is concave in the SAGITTAL plane, convex in the FRONTAL plane |
|
|
Term
| with the thumb, the 1st MC is convex in _______ _______ axis, and concave in the _______ __ axis |
|
Definition
| with the thumb, the 1st MC is convex in OBLIQUE CORONAL axis, and concave in the OBLIQUE A/P axis |
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