anatomy midterm
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| Which axio-appendicular muscles adduct the humerus? | Pectoralis major, latissimus dorsi
🗑
|
||||
| Which group of axio-appendicular muscles extend the humerus? | Pectoralis major (sternocostal head) and Latissimus dorsi
3
🗑
|
||||
| Which group of axio-appendicular muscles flex the humerus? | Pectoralis major (clavicular head)
4
🗑
|
||||
| Which group of axio-appendicular muscles medially rotate the humerus? | Pectoralis major, latissimus dorsi
5
🗑
|
||||
| Which group of axio-appendicular muscles protract the scapula? | Serratus anterior, pectoralis major, pectoralis minor
6
🗑
|
||||
| Which group of axio-appendicular muscles retract the scapula? | Trapezius (middle part), rhomboid major, rhomboid minor 7
🗑
|
||||
| Which group of axio-appendicular muscles elevate the scapula? | Trapezius (descending part), levator scapule, rhomboids 8
🗑
|
||||
| Which group of axio-appendicular muscles depress the scapula? | Trapezius (ascending part), pectoralis major (sternocostal head), latissimus dorsi, serratus anterior, pectoralis minor
9
🗑
|
||||
| Which group of axio-appendicular muscles rotate the scapula superiorly? | Trapezius (ascending and descending), serratus anterior (inferior part)
10
🗑
|
||||
| Which group of axio-appendicular muscles rotate the scapula inferiorly? | Levator scapulae, rhomboid major, rhomboid minor, pectoralis major, pectoralis minor
11
🗑
|
||||
| What are the rotator cuff muscles? | Supraspinatus, infraspinatus, teres minor, subscapularis
12
🗑
|
||||
| Which muscles rotate the arm laterally? | Infraspinatus, teres minor, deltoid
13
🗑
|
||||
| Which muscles rotate the arm medially? | Subscapularis, teres major
14
🗑
|
||||
| Which muscles abduct the arm? | Supraspinatus, deltoid
15
🗑
|
||||
| Which muscle initiates abduction of the arm? | Supraspinatus (up to 15 degrees)
16
🗑
|
||||
| If there was damage to the supraspinatus nerve but not to the axillary nerve can person abduct arm? | No, because supraspinatus initiates the abduction
17
🗑
|
||||
| If there was damage to the axillary nerve can person abduct arm? | Yes, partially
18
🗑
|
||||
| What do the axio-appendicular muscles run between? | Axis of the body and extremities 19
🗑
|
||||
| What is the function of the clavicle? | Connect the upper extremity to the trunk of the body 20
🗑
|
||||
| What are the two bones that attach the clavicle? | Acromion of scapula and manubrium of sternum
21
🗑
|
||||
| True or false: the clavicle transfers weight from the trunk to the scapula | False
22
🗑
|
||||
| True or false: neck transfers weight of head to the body | True
23
🗑
|
||||
| Pectoralis major acts on which structure? | Upper part of the humerus
24
🗑
|
||||
| What muscle holds the scapula to the thoracic wall? | Subscapularis or serratus anterior
25
🗑
|
||||
| What do antagonistic muscles do? | Act against each other
26
🗑
|
||||
| What do synergistic muscles do? | Act together to reach common goal
27
🗑
|
||||
| Divisions from which trunks create the lateral cord? | Anterior divisions of the superior and middle trunks
28
🗑
|
||||
| Divisions from which trunks create the posterior cord? | Posterior divisions of the superior, middle, and inferior trunks
29
🗑
|
||||
| Divisions from which trunks create the medial cord? | Anterior division from the inferior trunk
30
🗑
|
||||
| Musculotaneuos nerve branches from which cord(s)? | Lateral cord
31
🗑
|
||||
| Axillary nerve branches from which cord(s)? | Posterior cord
32
🗑
|
||||
| Median nerve branches from which cord(s)? | Lateral and medial cords
33
🗑
|
||||
| Radial nerve branches from which cord(s)? | Posterior cord
34
🗑
|
||||
| Ulnar nerve branches from which cord(s)? | Medial cord
35
🗑
|
||||
| How many nerves branch from the medial cord? | Five
36
🗑
|
||||
| Which nerves branch from the medial cord? | Medial pectoral nerve, median nerve, ulnar nerve, medial antebrachial cutaneous nerve,
medial brachial cutaneous nerve
37
🗑
|
||||
| What does the medial pectoral nerve from the medial cord innervate? | Pectoralis minor and sternal head of pectoralis major
38
🗑
|
||||
| True or false: pectoralis minor is directly deep to pectoralis major? | True
39
🗑
|
||||
| Which group of muscles does the median nerve innervate? | All of them muscles of the anterior flexor forearm except flexor carpi ulnaris and half of the flexor digitorum profundus
40
🗑
|
||||
| How does the median nerve enter the hand? | Passes deep to the flexor retinaculum and enters through the carpal tunnel
41
🗑
|
||||
| Which muscles does the ulnar nerve innervate in the arm? | None
42
🗑
|
||||
| Which muscles does the ulna nerve innervate in the forearm? | Flexor carpi ulnaris and half of flexor digitorum profundus
43
🗑
|
||||
| True or false: the ulnar nerve enters the hand by passing through the carpal tunnel? | False
44
🗑
|
||||
| How does the ulnar nerve enter the hand? | Splits into two and passes beside the pisiform and hamate
45
🗑
|
||||
| What does the medial antebrachial cutaneous nerve supply? | Skin of the forearm
46
🗑
|
||||
| What does the medial brachial cutaneous nerve supply? | Skin of the arm
47
🗑
|
||||
| How many nerves does the posterior cord branch into? | Five
48
🗑
|
||||
| Which nerves branch from the posterior cord of the brachial plexus? | Radial nerve, axillary nerve, thoracodorsal nerve, and upper and lower subscapular
nerve
49
🗑
|
||||
| What are some effects of damage to the radial nerve? | Also called Saturday night palsy- damage to extensor muscles of arm, forearm, and wrist and presents as wrist drop
50
🗑
|
||||
| Which nerve is most affected in damage to the posterior cord of the brachial plexus? | Axillary nerve
51
🗑
|
||||
| Which muscles are affected in axillary nerve damage? | Deltoid and teres minor
52
🗑
|
||||
| Which muscle actions are affected in axillary nerve damage? | Loss of sensation of the skin covering the deltoid muscle, loss of abduction of the arm,
weak external rotation
53
🗑
|
||||
| If the axillary nerve is damaged can person externally rotate arm? | Yes but external rotation is weakened; synergistic muscle actions allows for arm to still be rotated
54
🗑
|
||||
| Which muscle(s) does the thoracodorsal nerve supply? | Latissimus dorsi
55
🗑
|
||||
| Which muscles do the upper subscapularis nerves supply? | Subscapularis muscle
56
🗑
|
||||
| Which muscles do the lower subscapularis nerves supply? | Subscapularis and teres major
57
🗑
|
||||
| Which muscles does the median nerve supply in the arm? | None
58
🗑
|
||||
| Which group of muscles does the ulnar nerve innervate in the hand? | Intrinsic muscles of the hand
59
🗑
|
||||
| Which branch of the ulnar nerve is most vulnerable to injury? | The superficial branch
60
🗑
|
||||
| How many muscles does the musculocutaneous nerve supply in the arm? | Three
61
🗑
|
||||
| Which muscles does the musculocutanues nerve innervate in the arm? | Coracobrachialis, biceps brachii, and brachialis
62
🗑
|
||||
| What does the musculocutanues nerve branch into and innervate in the forearm? | Branches into the lateral cutaneous nerve and innervates the skin of the lateral aspect
of the forearm
63
🗑
|
||||
| Does the radial nerve innervate muscles of the arm or forearm? | Both, the radial nerve supplies all muscles in posterior compartment of arm and forearm 64
🗑
|
||||
| Where does the radial nerve branch off? | Anterior to the lateral epicondyle of humerus 65
🗑
|
||||
| What does the radial nerve divide into? | Deep branch (entirely muscular and articular in distribution) and superficial branch (entirely cutaneous in distribution)
66
🗑
|
||||
| Which branch of the radial nerve supplies the hand? | Superficial branch
67
🗑
|
||||
| What condition results from nerve root compression? | Cervical spondylosis
68
🗑
|
||||
| What nerve is most likely to be affected if you traumatize the roots directly? | Long thoracic nerve
69
🗑
|
||||
| What may cause trauma to the roots? | Strangled, stabbed at the root of the neck, sleeping on pillow compressing roots
70
🗑
|
||||
| Which muscles are supplied by the long thoracic nerve? | Serratus anterior
71
🗑
|
||||
| Which condition is associated with injury of the long thoracic nerve? | Winged scapula
72
🗑
|
||||
| What is the affect on the scapula when there is damage to the roots of the brachial plexus? | Poor retraction of the scapula (rhomboids)
73
🗑
|
||||
| Where are the roots of the brachial plexus located? | Between the anterior and medial scalene muscles (interscalene)
74
🗑
|
||||
| Where are the trunks located? | In the posterior cervical triangle of the SCM
75
🗑
|
||||
| Where are the divisions located? | Deep to the clavicle (subclavicular)
76
🗑
|
||||
| Where are the cords located? | In the axilla
77
🗑
|
||||
| What is upper trunk injury called? | Erb-duchenne paralysis
78
🗑
|
||||
| How would you get injury to the trunks? | Being thrown off of a horse or motorcycle, violent downward displacement of arm
79
🗑
|
||||
| Which nerve injury would cause loss of abduction? | Subclavicular nerve
80
🗑
|
||||
| Which nerve injury would cause loss of radial flexion? | Axillary nerve
81
🗑
|
||||
| Which nerve injury would cause loss of external rotation (lateral rotation)? | Cervical nerves C5, C6
82
🗑
|
||||
| What causes a middle trunk injury? | Intrascalene block (very rare)
83
🗑
|
||||
| What causes a lower trunk injury? | Called klumke paralysis; violent prolonged upward displacement of arm (example
breech delivery, apical tumor, variation of 13th rib) 84
🗑
|
||||
| What are some problems associated with lower trunk injury? | Loss of ulnar flexion (ulnar nerve)
🗑
|
||||
| Trauma to the roots present as what? | Winged scapula because damage to the long thoracic nerve 86
🗑
|
||||
| Which cord is most commonly injured? | Posterior cord (injured when using crutches) 87
🗑
|
||||
| What is the path of blood vessels to axillary artery | heart to arch of aorta wo blood vessels one goes to the left one goes to the right, off of the rightàbrachiocephalic arteryàright subclavian arteryàcrosses the clavicle and becomes axillary arteryà
🗑
|
||||
| How many muscles are in the arm? | Five; three flexor and two extensor
89
🗑
|
||||
| Which muscles are located in the flexor compartment of the arm? | Biceps brachii, brachialis, and coracobrachialis
90
🗑
|
||||
| Which is a stronger flexor muscls; biceps brachii or brachialis? | Brachialis because its only action is to flex
91
🗑
|
||||
| What is the main action of the biceps brachii? | Supinates and flexes forearm; resists dislocation of shoulder
92
🗑
|
||||
| What is the main action of the coracobrachialis? | Helps flex and adduct arm, resists dislocation of the shoulder
93
🗑
|
||||
| What is the main action of the brachialis? | Flexes the forearm
94
🗑
|
||||
| Which muscles are located in the extensor compartment of the arm? | Triceps brachii and anconeus
95
🗑
|
||||
| What is the main action of the triceps brachii? | Chief extensor of forearm
96
🗑
|
||||
| What is the main action of the anconeus? | Assists triceps in extending forearm, atabilizes elbow joint, may abduct ulna during
pronation
97
🗑
|
||||
| Which muscles of the arm are innervated by the musculocutaneus nerve? | Biceps brachii, coracobrachialis, and some of brachialis 98
🗑
|
||||
| Which muscles of the arm are innervated by the radial nerve? | Triceps brachii, anconeus, and some of the brachialis 99
🗑
|
||||
| What are the three boundaries of the cubital fossa? | Superficial, medial, and lateral
100
🗑
|
||||
| What is the function of the superficial boundary of cubital fossa? | Connects medial and lateral epicondyle of humerus 101
🗑
|
||||
| What is the function of the medial boundary cubital fossa? | Mass of flexor muscles of the forearm arise from the common flexor attachement on the medial epicondyle; more specifically pronator teres
102
🗑
|
||||
| What is the function of the lateral boundary of the cubital fossa? | Mass of extensor muscles of the forarem arise from lateral epicondyle and
supraepicondlyer ridge, specifically the brachioradialis 103
🗑
|
||||
| Which muscles form the floor of the cubital fossa? | The brachialis and supinator 104
🗑
|
||||
| What forms the roof of the cubital fossa? | Brachial and antebrachial fascia 105
🗑
|
||||
| What arteries are found in the cubital fossa? | Terminal part of brachial artery and the commencement of its terminal braches, the radial and ulnar arteries
106
🗑
|
||||
| Where does the brachial artery lay? | Between the biceps tendon and median nerve
107
🗑
|
||||
| Where is the radial nerve located? | Deep between muscles forming the lateral boundary of the fossa and the brachialis, dividing into superficial and deep branches
108
🗑
|
||||
| What are the other contents of the cubital fossa? | Deep accompanying veins of arteries, biceps brachii tendon, median nerve, radial nerve
109
🗑
|
||||
| What lays superficial to the cubital fossa? | Subcutaneous tissue, median cubital vein, medial and lateral cutaneous nerves of the
forearm, related to the basicalla and cephalic veins 110
🗑
|
||||
| Where does the arm extend from? | From the shoulder to the elbow
111
🗑
|
||||
| What are the two types of movements in the arm? | Flexion and extension, pronation and supination 112
🗑
|
||||
| Where does the chief action of the arm take place? | At the elbow point
113
🗑
|
||||
| Which muscles of the arm are stronger flexors or extensors? | Flexors
114
🗑
|
||||
| How many layers of muscles are in the anterior compartment of the forearm? | Three
115
🗑
|
||||
| What are the layers of muscles in the anterior compartment of the forearm? | Superficial, intermediate, and deep
116
🗑
|
||||
| What are the muscles of the superficial layer of the anterior compartment of the forearm? | Pronator teres, flexor carpi radialis, palmaris longus, flexor carpi ulnaris 117
🗑
|
||||
| What are the muscles of the intermediate layer of the anterior compartment of the forearm? | Flexor digitorum superficialis
118
🗑
|
||||
| What are the muscles of the deep layer of the anterior compartment of the forearm? | Flexor digitorm profundus, flexor pollicis longus, pronator quadratus 119
🗑
|
||||
| What muscles are innervated by the median nerve? | Pronator teres, flexor carpi radialis, palmaris longus, flexor digitorum superficialis 120
🗑
|
||||
| What muscles are innervated by the ulnar nerve? | Flexor carpi ulnaris, medial part of flexor digitorum profundus
121
🗑
|
||||
| What muscles are innervated by the anterior interosseous nerve from the median nerve? | Lateral part of the flexor digitorum profundus, flexor pollicis longus, pronator quadratus 122
🗑
|
||||
| What is the action of pronator teres? | Pronates and flexes forearm at the elbow 123
🗑
|
||||
| What is the action of the flexor carpi radialis? | Flexes and abducts the hand at the wrist 124
🗑
|
||||
| What is the action of the palmaris longus? | Flexes hand at the wrist and tenses palmar aponeurosis 125
🗑
|
||||
| What is the action of the flexor carpi ulnaris? | Flexes and adducts hand at the wrist
126
🗑
|
||||
| What is the action of the flexor digitorum superficialis? | Flexes middle phalanges at the proximal interphalangeal joints of the middle gour digits, flexes proximal phalanges at the metacarpophalangeal joints
127
🗑
|
||||
| What is the action of the flexor digitorum profundus? | Medial part: flexes distal phalanges 4 and 5 at distal interphalangeal joints; lateral part:
flexes distal phalanges 2 and 3 at the distal interphalangeal joints 128
🗑
|
||||
| What is the action of the flexor pollicis longus? | Flexes phalanges of the first digit (thumb)
129
🗑
|
||||
| What is the action of the pronator quadratus? | Pronates forearm, bind radius and ulna together
130
🗑
|
||||
| What fascia covers the flexor forearm? | Antebrachial fascia
131
🗑
|
||||
| What does the antebrachial fascia turn into at the level of the wrist? | Flexor retinaculum (forms roof of the carpal tunnel)
132
🗑
|
||||
| What are the two layers of the flexor retinaculum? | Volar carpal ligament and transverse carpal ligament
133
🗑
|
||||
| How many carpal bones are there? | Eight
134
🗑
|
||||
| What are the eight carpal bones? | Scaphoid, lunate, triquetrum, pisiform, hamate, capitate, trapezoid, trapezium
135
🗑
|
||||
| Which carpal bone is displaced in carpal tunnel syndrome? | Lunate; loosening of the ligaments
136
🗑
|
||||
| Which part of the flexor retinaculum makes the roof of the carpal tunnel? | Transverse carpal ligament
137
🗑
|
||||
| Which part of the flexor retinaculum makes the floor of the carpal tunnel? | Carpal bones
138
🗑
|
||||
| What does the carpal tunnel attach to medially and laterally? | Laterally: scaphoid bone; medially: hamate and pisiform
139
🗑
|
||||
| Which nerves act of the anterior forearm? | Median nerve, ulna nerve, and minor attachment from the lateral antebrachial
cutaneous nerve (continuation of the musculocutaneus nerve) 140
🗑
|
||||
| What are the blood vessels in the forearm? | From the brachial artery splits into the cubital fossa into two branches the radial artery and ulnar artery
141
🗑
|
||||
| What does the median nerve run deep to in the anterior forearm? | Two heads of the pronator teres, and flexor digitorum superficialis
142
🗑
|
||||
| What is the branch of the median nerve in the anterior forearm? | Anterior interosseous
143
🗑
|
||||
| What structures pass through carpal tunnel? | Median nerve plus nine tendons
144
🗑
|
||||
| Tendons from which muscles pass through the carpal tunnel? | Flexor digitorum superficialis, and flexor digitorum profundus
145
🗑
|
||||
| At the level of the the wrist which muscles foes the median nerve pass between? | Flexor digitorum superficialis, and flexor digitorum profundus
146
🗑
|
||||
| Which branch of the median nerve branches off before the median nerve enters the carpal tunnel? | Palmar cutaneous branch
147
🗑
|
||||
| Is the palmar cutaneous nerve affected by carpal tunnel syndrome? | No, it does not travel through the carpal tunnel to the hand
148
🗑
|
||||
| How many muscles does the ulnar nerve supply at the level of the forearm? | One and a half
149
🗑
|
||||
| What is the first muscle that the radial nerve supplies in the forearm? | Brachioradialis
150
🗑
|
||||
| Which muscles does the superficial branch of the radial nerve innervate in the forearm? | None
151
🗑
|
||||
| Which branch of the radial nerve innervates the hand? | Superficial branch innervates the lateral side of dorsal aspect of the hand except the web between the first and second digit
152
🗑
|
||||
| How many layers make up the posterior compartment of the forearm? | Two
153
🗑
|
||||
| What are the layers of the posterior compartment of the forearm? | Superficial layer, deep layer, (and outcropping muscles of deep layer)
154
🗑
|
||||
| What are the six muscles of the superficial layer of the posterior compartment of the forearm? | Brachioradialis, extensor carpi radialis longus, extensor capri radialis brevis, extensor digitorum, extensor digitorum minimi, extensor carpi ulnaris
155
🗑
|
||||
| What are the five muscles of the deep layer of the posterior compartment of the forearm? | Supinator, extensor indicis, abductor pollicis longus, extensor pollicis longus, extensor
pollicis brevis
156
🗑
|
||||
| Which muscles of the posterior compartment of the forearm are innervated by the radial nerve? | Brachioradialis, extensor carpi radialis longus
157
🗑
|
||||
| Which muscles of the posterior compartment of the forearm are innervated by the deep branch of the radial nerve? | Capri radialis brevis, extensor digitorum, extensor digitorum minimi, extensor carpi ulnaris, supinator
158
🗑
|
||||
| Which muscles of the posterior compartment of the forearm are innervated by the posterior interosseous nerve continuation of the deep branch of the radial nerve? | Extensor indicis, abductor pollicis longus, extensor pollicis longus, extensor pollicis brevis
159
🗑
|
||||
| What are the three types of instrinsic muscles of the hand? | Thenar muscles, hypothenar muscles, short muscles
160
🗑
|
||||
| What are the thenar intrinsic muscles of the hand? | Opponens pollicis, abductor pollicis brevis, flexor pollicis(superficial and deep head),
adductor pollicis (oblique and transverse head) 161
🗑
|
||||
| What are the hypothenar muscles of the intrinsic hand? | Abductor digiti minimi, flexor digiti minimi brevis, opponens digiti 162
🗑
|
||||
| What are the short muscles of the intrinsic hand? | Lumbricals (1st and 2nd & 3rd and 4th ), dorsal interossei 1st-4th, palmar interossei 1st-3rd 163
🗑
|
||||
| Which muscles of the intrinsic hand adduct the digits? | Dorsal interossei 1st-4th and palmar interossei 1st-3rd
164
🗑
|
||||
| Which muscles of the intrinsic hand are innervated by the median nerve and reccurent branch of median nerve? | Opponens pollicis, abductor pollicis brevis, superficial head of flexor pollicis,1st and 2nd lumbricals
165
🗑
|
||||
| Which muscles of the intrinsic hand are innervated by the deep branch of the ulnar nerve? | Deep head of the flexor pollicis, adductor pollicis, abductor digiti minimi, flexor digiti
minimi brevis, opponens digiti, 3rd and 4th lumbricals, dorsal inerossei 1st-4th, palmer
interossei 1st-3rd
166
🗑
|
||||
| How many intrinsic muscles are there in the dorsal hand? | None
167
🗑
|
||||
| What is the main action of the thenar muscle? | Act on the thumb
168
🗑
|
||||
| What is the main action of the hypothenar muscle? | Act on the pinky
169
🗑
|
||||
| Which hypothenar muscle does not act on the pinky? | Palmaris brevis
170
🗑
|
||||
| What does the radial branch split into after the superficial branch of the radial nerve enters the dorsal aspect of the hand? | Digital branches and forms dorsal digital nerves 171
🗑
|
||||
| What do the dorsal digital nerves supply? | The skin of the hand from the level of the wrist to the PIP joints 172
🗑
|
||||
| Where does the superficial branch of the radial nerve pass? | Superior to flexor retinaculum
173
🗑
|
||||
| Where does the deep branch of the radial nerve supply? | Extrinsic muscles of the hand
174
🗑
|
||||
| What does the radial nerve travel by in the forearm? | Brachioradialis and extensor carpi radialis longus 175
🗑
|
||||
| What does the radial nerve travel with? | Profunda brachii deep artery of arm in musculospinal groove 176
🗑
|
||||
| Where is the location of the injury typically for nerve palsy? | Elbow or wrist
177
🗑
|
||||
| What will result from damage to the superficial branch of the radial nerve? | Sensory loss
178
🗑
|
||||
| Which extrinsic muscles of the hand are innervated by the deep branch of the radial nerve? | Extensor digitorum communis, extensor digiti minimi, extensor indicis proprius, abductor pollicis longus, extensor pollicis brevis
179
🗑
|
||||
| Which bone of the hand is most frequently fractured? | Scaphoid bone
180
🗑
|
||||
| What is the immediate lateral and medial boundary of the anatomical snuff box? | Lateral: extensor pollicis brevis ; medial: extensor pollicis longus
181
🗑
|
||||
| What is the most lateral muscles of the anatomical snuff box? | Abductor pollicis longus
182
🗑
|
||||
| What are the contents of the anatomical snuff box? | Trapezium, scaphoid, radial artery, cephalic vein
183
🗑
|
||||
| What is the threat of fracturing scaphoid bone? | Threat to rupturing the radial artery
184
🗑
|
||||
| Which muscles do the median nerve innervate in the hand? | 2LOAFs: lateral 2 lumbricals, opponens pollicis, abductor pollicis brevis, flexor pollicis
brevis (superficial head)
185
🗑
|
||||
| Which branch of the median nerve enters the hand without passing through the capral tunnel? | Palmar cutaneous nerve
186
🗑
|
||||
| How does the palmer cutaneous nerve enter the hand? | Passes superior to the flexor retinaculum What does the palmer cutanues neve supply?
🗑
|
||||
| What does the median nerve in the hand split into? | 5 volar branches (called volar palmer or volar digital branches) 188
🗑
|
||||
| What do the volar digital branches supply? | Lateral two lumbricals, and then the skin
aEnletveartioiorna&nddpeopsrteesrsiiornsternalclavicular ligament Protraction & retraction
189
🗑
|
||||
| Do the volar digital branches have motor or sensory function? | Both
190
🗑
|
||||
| How does median nerve injury at the elbow region present? | Sign of benediction; thumb, index, and middle finger does not flex
191
🗑
|
||||
| What sensory damage occurs with median nerve injury? | Sensory loss to radial side of palm and sensory loss to digits lateral to the center line of
the ring finger
192
🗑
|
||||
| What muscles become paralyzed with a median nerve injury? | 2LOAF
193
🗑
|
||||
| Which muscles do the ulnar nerve supply in the intrinsic hand? | All except 2LOAF: deep head of flexor pollicis brevis, adductor pollicis, abductor digiti minimi, flexor digiti minimi brevis, opponens digiti, 3rd and 4th lumbricals, dorsal interossei 1-4, palmer interossei 1-3
194
🗑
|
||||
| Which muscles do the superficial terminal nerve supply? | Palmaris brevis first then turns cutaneous
195
🗑
|
||||
| What does the deep branch of the ulnar nerve supply? | Hypothenar muscles
196
🗑
|
||||
| What type of joint is the sternoclavicular joint? | Saddle type of synovial joint but acts as a ball and socket
197
🗑
|
||||
| What is the structure of the sternoclavicular joint? | Sternal end of clavicle and manubrium of sternum
198
🗑
|
||||
| What is the uniqueness of the sternoclavicular joint? | Fibrocartilagonus disc in the middle of the joint that divides the joint into two synovial
capsules
199
🗑
|
||||
| What are the ligaments of the sternoclavicular joint | Anterior and posterior sternalclavicular ligament and costoclavicular ligament (cartilage of first rib to the sternal end of the clavicle)
200
🗑
|
||||
| Which muscles stabilize the sternoclavicular joint? | None
201
🗑
|
||||
| What are the movements of the sternoclavicular joint? | Elevation, depression, protraction, retraction and circumduction
202
🗑
|
||||
| What is the nerve supply of the sternoclavicular joint? | Medial supraclavicular nerve and nerve to subclavious
203
🗑
|
||||
| What type of joint is the acromiocalvicular joint? | Plane type of synovial joint
204
🗑
|
||||
| What is the structure of the acromiocalvicular joint? | Acromial end of clavicle and acromion of scapula
205
🗑
|
||||
| What are the support ligaments of the acromiocalvicular joint? | Acromioclavicular ligament, coracoclavicular ligament (conoid ligament and trapezoid
ligament)
206
🗑
|
||||
| Which ligament of the acromiocalvicular joint stabilizes the joint anteriorly and posteriorly? | Acromioclavicular ligament
207
🗑
|
||||
| Which ligament of the acromiocalvicular joint stabilizes the joint superiorly and inferiorly? | Coracoclavicular ligament
208
🗑
|
||||
| Under what circumstances would you have a rupture of the AC ligament? | High school football player
209
🗑
|
||||
| What is AC joint damage called? | Acromicoclavicular sublaxation (shoulder separation) clavicle goes up
210
🗑
|
||||
| What are the movements of the acromioclavicular joint? | Rotation with assistance from the SC joint
211
🗑
|
||||
| What type of joint is the glenohumeral joint? | Ball and socket type of synovial joint
212
🗑
|
||||
| What is the structure of the glenohumeral joint? | Head of humerus and glenoid cavity of scapula
213
🗑
|
||||
| What is the glenoid labrum? | Fibrocartilage rim around margin of glenoid cavity to protect from bone on bone
214
🗑
|
||||
| What are the ligaments that support the glenohumeral joint? | Glenohumeral ligament(superior, middle, and inferior), coracohumeral ligament,
coracoacromial ligament, and transversehumeral ligament(from greater tubercle to
lesser tubercle)
215
🗑
|
||||
| Which ligament of the glenohumeral joint prevents superior dislocation of the head of the humerus? | Coracoacromial ligament
216
🗑
|
||||
| Which muscles support the glenohumeral joint? | Rotator cuff muscles (SITS) supraspinatus, infraspinatus, teres minor, and subscapularis 217
🗑
|
||||
| What is the role of the rotator cuff muscles on the glenohumeral join? | Keeps the head of the humerus in the glenoid fossa and give the joint dynaic stabilty 218
🗑
|
||||
| Which tendon supports the glenohumeral joint? | Tendon of the long head of the biceps bracii 219
🗑
|
||||
| What is the movement of the glenohumeral joint? | Flexion, extension, abduction, adduction, medial and lateral rotation, circumduction 220
🗑
|
||||
| Which nerves supply the glenohumeral joint? | Suprascapular, axillary, and lateral pectoral nerves 221
🗑
|
||||
| What are the three joints of the elbow joint? | Humeralulna joint, humeralradial joint, proximal (superior) radialulnar joint 222
🗑
|
||||
| What type of joint is the elbow joint? | Hinge joint
223
🗑
|
||||
| What is the movement of the elbow joint? | Flexion and extension
224
🗑
|
||||
| What ligaments support the humeralulna joint? | Ulna collateral joint(extends form medial epicondyle of humerus to coranoid process of olcraneon) also called triangular collateral joint
225
🗑
|
||||
| What are the three bands of the ulna collateral ligament (also called medial collateral ligament)? | Anterior cord like band (strongest), posterior fan like band (weakest), intermediate slender oblique band (deepens the socket for the trochlea of the humerus
226
🗑
|
||||
| What happens if the medial collateral ligament is cut? | Carrying angle increases, and abduction is possible
227
🗑
|
||||
| Which ligament supports the humeraradial joint? | Radial collateral also called lateral collateral joint
228
🗑
|
||||
| What is the primary movement of the humeraradial joint? | Rotation-pronation and supination of the forearm
229
🗑
|
||||
| What happens if the lateral collateral ligament is torn? | Abnormal adduction of the elbow (tennis elbow)
230
🗑
|
||||
| How can a torn lateral collateral ligament present? | Inflammation of the radial collateral ligament, Inflammation of the bone on which the
ligament is inserted, inflammation of the small underlying bursa, or strain of the
common extensor tension which is inserted in that area(tendonitis) 231
🗑
|
||||
| What is the movement of the proximal radialulnar joint? | One degree of freedom: pronation and supination 232
🗑
|
||||
| Which ligaments support the proximal radialulnar joint? | Anular ligament of the radius and interosseous membrane 233
🗑
|
||||
| What is the articulation of the elbow joint? | Trochela and capitulum of the humerus articulate with the trochlear notch of the ulna and superior aspect of the head of the radius
234
🗑
|
||||
| What is the function of the anular ligament? | Holds the head of the radius in the radial notch of the ulna, the interosseous membrane
between the ulna and radius divides the forearm into anterior and posterior
compartment
235
🗑
|
||||
| Who is most prone to pulled elbow? | Children, radial head is underdeveloped and can escape from the anular ligament 236
🗑
|
||||
| What is the function of the humeroulnar joint? | Trochlea rotates on the trochlear notch of the ulna
237
🗑
|
||||
| The superficial layer of the forearm comes from which aspect of the forearm in general? | Lateral aspect of forearm
238
🗑
|
||||
| Flexor muscles or the forearm origionate with which aspect of the forearm in general? | Medial aspect of the forearm (medial epicondyle ridge and ulna) 239
🗑
|
||||
| What does the axillary nerve innervate on the shoulder? | Teres minor and deltoid (supplied skin on deltoid)
240
🗑
|
||||
| What is the superior and inferior border of the quadrangular space? | Superior: teres minor; inferior: teres major
241
🗑
|
||||
| What is the superior and inferior border of the triangular space? | Superior: teres minor; inferior: teres major
242
🗑
|
||||
| What is the shared boundary of the quadrangular and triangular space? | Long head of the triceps brachii (lateral head of triangular space, medial head of the quadrangular space)
243
🗑
|
||||
| What is the lateral boundary of the quadrangular space? | Surgical neck of the humerus
244
🗑
|
||||
| What passes through the quadrangular space? | Axillary nerve and posterior humeral circumflex artery
245
🗑
|
||||
| What passes through the triangular space? | Circumflex scapular artery
246
🗑
|
||||
| Where are deep veins usually found? | Buried in the muscles
247
🗑
|
||||
| Where are superficial veins usually found? | Drain from the hand
248
🗑
|
||||
| What is the path of veins? | Superficial veins drain from the hand, at the level of the forearm the veins drain into
cephalic and basalic veins, then median cubital vein at anterior aspect of the elbow
(cubital fossa)- basalic and cephalic come up and drain into axillary vein 249
🗑
|
||||
| Where do all veins from the human upper extremity drain into? | Axillary vein
🗑
|
||||
| Path of axillary artery? | axillary artery continues until boundary of teres major name changes to brachial arteryàbiracial artery travels on the anterior humerusàaround the area of the cubital fossa it breaks into radial and ulna arteryà
🗑
|
||||
| Paths of Radial and ulnar arteries? | ulna A splits to common interosseous A which then splits into the ant and post interosseous the position of the split is variable; on the left is the left subclavian comes directly from arch of the aorta there is no brachiocephalic artery on the L side
🗑
|
Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
beccalu89
Popular Anatomy sets