Musculoskeletal: Study Set 1 - Specific Joints

Question 1

What are the osteokinematic motions of the glenohumeral joint

Answer 1

flexion, extension, abduction, adduction, rotation

Question 2

What is the open and closed pack positions of the glenohumeral joint

Answer 2

open - 55 degrees abduction, 30 degrees horizontal adduction

closed - abduction and lateral rotation

Question 3

What is the capsular pattern of the glenonumeral joint

Answer 3

A restriction of lateral rotation, abduction, or medial rotation

Question 4

How many degrees of freedom does the sternoclavicular joint have

Answer 4

3

Question 5

What are the osteokinematic motions of the SC joint

Answer 5

elevation, depression, protraction, retraction, rotation

Question 6

What are the open and closed packed positions of the SC joint

Answer 6

Open - arm resting by side

closed - max shoulder elevation

Question 7

What is the capsular pattern of the SC joint

Answer 7

pain at end ranges of movement

Question 8

How many degrees of freedom does the AC joint have

Answer 8

3

Question 9

What are the osteokinematic motions of the AC joint

Answer 9

anterior/posterior tilting, protraction/retraction, upward/downward rotation

Question 10

what are the open and closed pack positions for the AC joint

Answer 10

open - arm resting by side

closed - arm abducted to 90 degrees

Question 11

what is the capsular pattern of the AC joint

Answer 11

pain at end ranges of movement

Question 12

Why is the scapulothoracic articulation not a true joint

Answer 12

because it lacks synovial properties

Question 13

What muscles work to perform shoulder flexion - 4

Answer 13

anterior deltoid, coracobrachialis, clavicular head of pec major, biceps brachii

Question 14

What muscles work to perform shoulder extension - 4

Answer 14

posterior deltoid, latissimus dorsi, teres major, triceps brachii

Question 15

What muscles work to perform shoulder abduction - 2

Answer 15

middle deltoid, supraspinatus

Question 16

What muscles work to perform shoulder adduction -3

Answer 16

pec major, lats, teres major

Question 17

What muscles work to perform shoulder lateral rotation - 3

Answer 17

teres minor, infraspinatus, posterior deltoid

Question 18

What muscles work to perform shoulder medial rotation - 5

Answer 18

lats, subscap, teres major, pec major, anterior deltoid

Question 19

What muscles work to perform shoulder horizontal abduction - 3

Answer 19

posterior deltoid, infraspinatus, teres major

Question 20

What muscles work to perform horizontal adduction - 2

Answer 20

pec major, anterior deltoid

Question 21

What muscles work to perform scapula elevation - 2

Answer 21

upper trap, levator scapulae

Question 22

What muscles work to perform scapula depressions - 4

Answer 22

lats, pec major, pec minor, lower trap

Question 23

What muscles work to perform scapula protraction - 2

Answer 23

serratus anterior, pec major

Question 24

What muscles work to perform scapula retraction - 2

Answer 24

rhomboids, middle trap

Question 25

What muscles work to perform scapula upward rotation - 3

Answer 25

upper trap, lower trap, serratus anterior

Question 26

What muscles work to perform scapula downward rotation - 3

Answer 26

rhomboids, levator, pec major

Question 27

What are the osteokinematic motions of the radiohumeral joint

Answer 27

flexion, extension, pronation, supination

Question 28

What are the open and closed pack position of the radiohumeral joint

Answer 28

open - full extension and supination closed - 90 degrees flexion, 5 degrees supination

Question 29

What is the capsular pattern of the radiohumeral joint

Answer 29

restriction in any of the osteokinematic motions

Question 30

What are the osteokinematic motions of the ulnohumeral joint

Answer 30

flexion and extension

Question 31

what are the open and closed pack positions of the unohumeral joint

Answer 31

open - 70 degrees flexion with 10 degrees supination closed - extension

Question 32

what is the capsular pattern of the unohumeral joint

Answer 32

restriction in its osteokinematic motions

Question 33

What is the osteokinematic motion of the radioulnar joint

Answer 33

supination, pronation

Question 34

what are the open and closed packed positions of the radioulnar joint

Answer 34

open - 70 elbow flexion, 35 supination closed - 5 degrees supination

Question 35

what is the capsular pattern of the radioulnar joint

Answer 35

restriction in its osteokinematic motions

Question 36

What muscles work to perform elbow flexion

Answer 36

biceps brachii, brachialis, brachioradialis

Question 37

What muscles work to perform elbow extension

Answer 37

triceps brachii, anconeus

Question 38

What muscles work to perform forearm supination

Answer 38

biceps brachii, supinator

Question 39

What muscles work to perform forearm pronation

Answer 39

pronator quadratus, pronator teres

Question 40

what are the osteokinematic motions of the radiocarpal joint

Answer 40

flexion, extension, radial and ulnar deviation

Question 41

what are the open and loose pack positions of the radiocarpal joint

Answer 41

open - neutral with slight ulnar deviation closed - extension with slight radial deviation

Question 42

Which nerve is compressed with carpal tunnel

Answer 42

median nerve

Question 42

what is the capsular pattern of the radiocarpal joint

Answer 42

extension and flexion are equally restricted

Question 43

What structure do the hypothenar and thenar muscles attach to

Answer 43

flexor retinaculum

Question 44

What is the tunnel of Guyon

Answer 44

A space in the wrist that the ulnar nerve and artery as they enter the hand.

Question 44

what are the osteokinematic motions of the radiocarpal joint

Answer 44

flexion, extension, radial and ulnar deviation

Question 45

what are the open and loose pack positions of the radiocarpal joint

Answer 45

open - neutral with slight ulnar deviation closed - extension with slight radial deviation

Question 45

what is the capsular pattern of the radiocarpal joint

Answer 45

extension and flexion are equally restricted

Question 46

Which nerve is compressed with carpal tunnel

Answer 46

median nerve

Question 47

What structure do the hypothenar and thenar muscles attach to

Answer 47

flexor retinaculum

Question 47

What is the tunnel of Guyon

Answer 47

A space in the wrist that the ulnar nerve and artery as they enter the hand.

Question 48

What are the osteokinematic motions of the iliofemoral joint

Answer 48

flexion, extension, adduction, abduction, medial and lateral rotation

Question 49

what are the open and closed pack positions of the iliofemoral joint

Answer 49

open - slight abduction, flexion, and lateral rotation closed - full extension and medial rotation

Question 50

What muscles work to perform hip flexion - 4

Answer 50

iliopsoas, sartoruis, rectus femoris, pectineus

Question 51

What muscles work to perform hip extension - 5

Answer 51

glue max, glute med, semitendinosus, semimembranosus, biceps femoris,

Question 52

What muscles work to perform hip abduction -5

Answer 52

glute med, glute min, piriformis, obturator internus, TFL

Question 53

What muscles work to perform hip adduction -4

Question 54

What muscles work to perform medial rotation - 5

Answer 54

TFL, glute med, glute min, pectineus, adductor longus

Question 55

What muscles work to perform lateral rotation - 6

Answer 55

glute max, obturator externus, obturator internus,

Question 56

What is the MOI of a ruptured ACL

Answer 56

non-contact twisting that may be associated with hyperextension or a varus/valgus stress test. or tibia moving anteriorly on femur, or femur moving posteriorly on tibia

Question 57

What is the MOI of a ruptured PCL

Answer 57

The superior portion of the knee is struck while the knee is flexed - common in car accidents from knees hitting the glove box/dashboard or tibia moving posterior on femur/femur moving anteriorly on tibia

Question 58

What is the MOI of a ruptured MCL

Answer 58

valgus stress force without rotation, often ACL or medial meniscus injuries occur with it

Question 59

What is the MOI of a ruptured LCL

Answer 59

varus stress force without rotation, rarely torn in isolation

Question 60

What are the two joints of the knee

Answer 60

the tibiofemoral and patellofemoral joint

Question 61

what are the osteokinematic motions of the tibiofemoral joint

Answer 61

flexion/extension, medial and lateral rotation

Question 62

Of the patellofemoral joint, the patella is (convex/concave) and the trochlear groove of the femur is (convex/concave)

Answer 62

convex patella sits in the concave trochlear groove of femur

Question 63

what are the open and loose packed positions of the tibiofemoral joint

Answer 63

open - 25 degrees of flexion closed - full extension and lateral rotation of the tibia

Question 64

What muscles work to perform knee flexion - 4

Answer 64

biceps femoris, sartorius, semitendinosus, semimembranosus

Question 65

What muscles work to perform knee extension - 4

Answer 65

rectus femoris, vastus lateralis, vastus medialis, vastus intermedius

Question 66

What three muscles attaches at the pes anserine

Answer 66

gracilis, semitendinosus, and a sartorius

Question 67

where is the pes anserine located

Answer 67

medial and distal to the tibial tuberosity

Question 68

What are the major articulations in the foot and ankle

Answer 68

distal tibiofibular joint, talocrural joint, subtalar joint, midtarsal joint

Question 69

what are the osteokinematic motions of the talocrural joint

Answer 69

dorsiflexion and plantar flexion

Question 70

what are the open and closed pack positions for the talocrural joint

Answer 70

open - 10 degrees plantar flexion closed - maximum dorsiflexion

Question 71

what are the osteokinematic motions of the subtalar joint

Answer 71

inversion and eversion

Question 72

what are the open and loose packed positions of the subtalar joint

Answer 72

open - midway between extreme ranges of movement closed - supination

Question 73

what are the osteokinematic motions of the subtalar joint

Answer 73

inversion and eversion

Question 74

What muscles work to perform dorsiflexion - 4

Answer 74

tibialis anterior, extensor hallucis longus, extensor digitorum longus, peroneus tertius

Question 75

What muscles work to perform plantarflexion - 7

Answer 75

gastroc, soleus, plantaris, tibialis posterior, peroneus longus and brevis, flexor hallucis

Question 76

What muscles work to perform inversion - 3

Answer 76

tibialis anterior and posterior, flexor digitorum longus

Question 77

What muscles work to perform eversion - 3

Answer 77

peroneus longus and brevis, peroneus tertius

Question 78

what muscles work to perform thoracolumbar flexion - 3

Answer 78

rectus abdominis, internal oblique, external oblique

Question 79

what muscles work to perform thoracolumbar extension -3

Answer 79

erector spinae, quadratus lumborum, multifidus

Question 80

what nerve roots do the brachial plexus arise from

Answer 80

C5 - T1

Question 81

what are the two components that make up a vertebral disc

Answer 81

outer annulus fibrosus and the inner nucleus pulposus

Question 82

when the spine is extended the (anterior/posterior) portion of an intervertebral disc is compressed.

Answer 82

posterior

Question 83

What happens to the intervertebral foramina when the spine is in flexion or side bending what happens when the spine is extended

Answer 83

the foramina get bigger with flexion and contralateral side bending, but decrease with extension and ipsilateral side bending.

Question 83

when the spine is flexed, the (anterior/posterior) portion of an intervertebral disc is compressed.

Answer 83

anterior

Question 83

what motions does the ligamentum flavum restrict

Answer 83

flexion and rotation of the spine

Question 84

what muscles work to perform thoracolumbar rotation and lateral bending -8

Answer 84

psoas major, quadratus lumborum, external oblique, internal oblique, multifidus, longissimus thoracis, iliocoastalis thoracis, rotatores

Question 85

what are the osteokinematic motions of the cervical spine

Answer 85

flexion, extension, lateral flexion, rotation

Question 86

what are the open and closed pack positions of the cervical spine

Answer 86

open - neutral closed - extension

Question 87

what is the capsular pattern of the cervical spine

Answer 87

lateral flexion and rotation equally limited

Question 88

what are the osteokinematic motions of the thoracolumbar spine

Answer 88

flexion, extension, lateral flexion, and rotation

Question 89

what are the open and closed pack positions of the thoracolumbar spine

Answer 89

open - neutral closed - extension

Question 90

what is the capsular pattern of the thoracolumbar spine

Answer 90

lateral flexion and rotation equally limited

Question 91

what nerve roots form the lumbar plexus

Answer 91

T12 - L4