Arm/leg Clinical Anatomy Test

Front 1

ORIGIN Adductor Pollicis

Back 1

capitate and base of metacarpal II and III

Front 2

INSERTION Adductor Pollicis

Back 2

ulnar side of base of proximal phalanx of pollicis, extensor expansion

Front 3

INNERVATION Adductor Pollicis

Back 3

Ulnar N

Front 4

FUNCTION Adductor Pollicis

Back 4

ADducts caprometacarpal joint, ADducts/flex metacarpophalangeal joint

Front 5

ORIGIN Abductor Pollicis Brevis

Back 5

flexor retinaculum, tubercle of trapezium, tubercle of scaphoid

Front 6

INSERTION Abductor Pollicis Brevis

Back 6

base of proximal phalanx I, extensor expansion

Front 7

INNERVATION Abductor Pollicis Brevis

Back 7

Median N

Front 8

FUNCTION Abductor Pollicis Brevis

Back 8

ABducts carpometacarpal and metacarpophalangea joints of pollicis

Front 9

ORIGIN Opponens Pollicis

Back 9

flexor retinaculum, tubercle of trapezium

Front 10

INSERTION Opponens Pollicis

Back 10

Metacarpal I (radial side)

Front 11

INNERVATION Opponens Pollicis

Back 11

Median N

Front 12

FUNCTION Opponens Pollicis

Back 12

opposes carpometacarpal joint of pollicis

Front 13

ORIGIN flexor pollicis longus

Back 13

anterior radius, interosseous membrane, coronoid process of ulna, medial epicondyle of humerus

Front 14

INSERTION flexor pollicis longus

Back 14

distal phalanx V

Front 15

INNERVATION flexor pollicis longus

Back 15

Median N

Front 16

FUNCTION flexor pollicis longus

Back 16

flex interphalangeal, metacarpophalangeal, carpometacarpal joints of pollicis

Front 17

ORIGIN flexor pollicis brevis

Back 17

flexor retinaculum, trapezium, trapezoid, capitate

Front 18

INSERTION flexor pollicis brevis

Back 18

proximal phalanx V, extensor expansion

Front 19

INNERVATION flexor pollicis brevis

Back 19

ulnar N, median N

Front 20

FUNCTION flexor pollicis brevis

Back 20

flex metacarpophalangeal and carpometacarpal joints of pollicis

Front 21

ORIGIN extensor pollicis longus

Back 21

mid 1/3 posterior ulna, interosseous membran

Front 22

INSERTION extensor pollicis longus

Back 22

distal phalanx pollicis (dorsal)

Front 23

INNERVATION extensor pollicis longus

Back 23

radial N

Front 24

FUNCTION extensor pollicis longus

Back 24

extends interphalangeal, matacarpophalangeal, carpometacarpal joints of pollicis

Front 25

ORIGIN extensor pollicis brevis

Back 25

post. radius, interosseous membrane

Front 26

INSERTION extensor pollicis brevis

Back 26

proximal phalanx of pollicis (dorsal)

Front 27

INNERVATION extensor pollicis brevis

Back 27

radial N

Front 28

FUNCTION extensor pollicis brevis

Back 28

extends metacarpophalangeal joint, extends and ABducts carpometacarpal joint of pollicis

Front 29

ORIGIN abductor pollicis longus

Back 29

post. ulna, interosseous membrane, mid 1/3 of radius

Front 30

INSERTION abductor pollicis longus

Back 30

base I metacarpal

Front 31

INNERVATION abductor pollicis longus

Back 31

radial N

Front 32

FUNCTION abductor pollicis longus

Back 32

ABducts and extens carpometacarpal joint, ABducts and flexes wrist

Front 33

ORIGIN opponens digiti minimi

Back 33

hamate, flexor retinaculum

Front 34

INSERTION opponens digiti minimi

Back 34

metacarpal V

Front 35

INNERVATION opponens digiti minimi

Back 35

ulnar N

Front 36

FUNCTION opponens digiti minimi

Back 36

opposes the carpometacarpal joint of digit V

Front 37

ORIGIN abductor digiti minimi

Back 37

flexor carpi ulnaris tendon, pisiform

Front 38

INSERTION abductor digiti minimi

Back 38

proximal phalanx of digiti minimi, extensor expansion

Front 39

INNERVATION abductor digiti minimi

Back 39

ulnar N

Front 40

FUNCTION abductor digiti minimi

Back 40

ABducts and opposes metacarpophalangeal joint of digiti minimi

Front 41

ORIGIN flexor digiti minimi

Back 41

hamate, flexor retinaculum

Front 42

INSERTION flexor digiti minimi

Back 42

proximal phalanx V

Front 43

INNERVATION flexor digiti minimi

Back 43

ulnar n

Front 44

FUNCTION flexor digiti minimi

Back 44

flex metacarpophalangeal joint of digiti minimi

Front 45

ORIGIN dorsal interossei

Back 45

adjacent sides of metacarpal bones in each interspace of metacarpals I, II, III, IV

Front 46

INSERTION dorsal interossei

Back 46

extensor expansion, base of proximal phalanx

Front 47

INNERVATION dorsal interossei

Back 47

ulnar N

Front 48

FUNCTION dorsal interossei

Back 48

ABduct digits II, III, IV

Front 49

ORIGIN palmar interossei

Back 49

base of metacarpal I, length of metacarpals II, IV, V

Front 50

INSERTION palmar interossei

Back 50

extensor expansion, base of proximal phalanx

Front 51

INNERVATION palmar interossei

Back 51

ulnar N

Front 52

FUNCTION palmar interossei

Back 52

ADduct digits I, II, IV, V
Flex metacarpophalangeal joints
Extend interphalangeal joints

Front 53

ORIGIN lumbricales (hand)

Back 53

flexor profundus of digits Ii-V

Front 54

INSERTION lumbricales (hand)

Back 54

radial border of extensor expansion of digits II-V

Front 55

INNERVATION lumbricales (hand)

Back 55

II-III: median N
IV-V: ulnar N

Front 56

FUNCTION lumbricales (hand)

Back 56

extend interphalangeal joint when flex metacarpophalangeal joint of digits II-V
extends interphalangeal joint when metacarpophalangeal joints extended

Front 57

ORIGIN palmaris longus

Back 57

common flexor tendon from medial epicondyle of humerus, deep antebrachial fascia

Front 58

INSERTION palmaris longus

Back 58

flexor retinaculum, palmar aponeurosis

Front 59

INNERVATION palmaris longus

Back 59

median N

Front 60

FUNCTION palmaris longus

Back 60

tenses the palmar fascia
flex wrist

Front 61

ORIGIN palmaris brevis

Back 61

palmar aponeurosis and palmar surface of flexor retinaculum

Front 62

INSERTION palmaris brevis

Back 62

skin on ulnar side of hand

Front 63

INNERVATION palmaris brevis

Back 63

ulnar N

Front 64

FUNCTION palmaris brevis

Back 64

corruguates the skin on ulnar side of hand

Front 65

ORIGIN extensor indicis

Back 65

post. surface of ulna, interosseous membrane

Front 66

INSERTION extensor indicis

Back 66

extensor expansion of index finger

Front 67

INNERVATION extensor indicis

Back 67

radial N

Front 68

FUNCTION extensor indicis

Back 68

extends metacarpophalangeal and interphalangeal joint of index finger

Front 69

ORIGIN extensor digiti minimi

Back 69

common extensor tendon from the lateral epicondyle of humerus, deep antebrachial fascia

Front 70

INSERTION extensor digiti minimi

Back 70

extensor expansion of digiti minimi w/ extensor digitorum longus tendon

Front 71

INNERVATION extensor digiti minimi

Back 71

radial N

Front 72

FUNCTION extensor digiti minimi

Back 72

extends metacarpophalangeal joint and interphalangeal joint of digiti minimi

Front 73

ORIGIN extensor digitorum

Back 73

common extensor tendon from lateral epicondyle of humerus, deep antebrachial fascia

Front 74

INSERTION extensor digitorum

Back 74

middle phalanx, base of distal phalanx (II-V)

Front 75

INNERVATION extensor digitorum

Back 75

radial N

Front 76

FUNCTION extensor digitorum

Back 76

extends metacarpophalngeal and interphalangeal joints of digits II-V

Front 77

ORIGIN flexor digitorum superficialis

Back 77

Humeral head: common flexor tendon from medial epicondyle, ulnar collateral lig of elbow, deep antebrachial fascia
Ulnar head: medial side of coronoid process
Radial Head: oblique line

Front 78

INSERTION flexor digitorum superficialis

Back 78

four tendon insert into mid phalanges of digits II-V

Front 79

INNERVATION flexor digitorum superficialis

Back 79

median N

Front 80

FUNCTION flexor digitorum superficialis

Back 80

flex proximal interphalangeal and metacarpophalangeal joints of digits II-V
flex wrist

Front 81

ORIGIN flexor digitorum profundus

Back 81

anterior and medial surface of proximal 3/4 of ulna, interosseous membrane, deep antebrachial fascia

Front 82

INSERTION flexor digitorum profundus

Back 82

four tendons into bases of distal phalanges II-V

Front 83

INNERVATION flexor digitorum profundus

Back 83

II-III: median n
IV-V: ulnar n

Front 84

FUNCTION flexor digitorum profundus

Back 84

flex distal interphalangeal, proximal interphalangeal, and metacarpophalangeal joints of digits II-V

Front 85

ORIGIN flexor carpi radialis

Back 85

common flexor tendon of medial epicondyle of humerus, deep antebrachial fascia

Front 86

INSERTION flexor carpi radialis

Back 86

base of metacarpals II and III

Front 87

ORIGIN flexor digitorum superficialis

Back 87

Humeral head: common flexor tendon from medial epicondyle, ulnar collateral lig of elbow, deep antebrachial fascia
Ulnar head: medial side of coronoid process
Radial Head: oblique line

Front 88

INSERTION flexor digitorum superficialis

Back 88

four tendon insert into mid phalanges of digits II-V

Front 89

INNERVATION flexor digitorum superficialis

Back 89

median N

Front 90

FUNCTION flexor digitorum superficialis

Back 90

flex proximal interphalangeal and metacarpophalangeal joints of digits II-V
flex wrist

Front 91

ORIGIN flexor digitorum profundus

Back 91

anterior and medial surface of proximal 3/4 of ulna, interosseous membrane, deep antebrachial fascia

Front 92

INSERTION flexor digitorum profundus

Back 92

four tendons into bases of distal phalanges II-V

Front 93

INNERVATION flexor digitorum profundus

Back 93

II-III: median n
IV-V: ulnar n

Front 94

FUNCTION flexor digitorum profundus

Back 94

flex distal interphalangeal, proximal interphalangeal, and metacarpophalangeal joints of digits II-V

Front 95

ORIGIN flexor carpi radialis

Back 95

common flexor tendon of medial epicondyle of humerus, deep antebrachial fascia

Front 96

INSERTION flexor carpi radialis

Back 96

base of metacarpals II and III

Front 97

INNERVATION flexor carpi radialis

Back 97

median n

Front 98

FUNCTION flexor carpi radialis

Back 98

Flex and ABduct wrist

Front 99

ORIGIN flexor carpi ulnaris

Back 99

Humeral head: comon flexor tendon of medial epicondyle
Ulnar head: medial margin of olecranon, proximal 2/3 posterior border, deep antebrachial fascia

Front 100

INSERTION flexor carpi ulnaris

Back 100

pisiform, hamate, metacarpal V

Front 101

INNERVATION flexor carpi ulnaris

Back 101

ulnar N

Front 102

FUNCTION flexor carpi ulnaris

Back 102

flex and ADduct wrist

Front 103

ORIGIN extensor carpi radialis longus

Back 103

distal 1/3 of lateral supracondylar ridge of humerus, lateral intermuscular septum

Front 104

INSERTION extensor carpi radialis longus

Back 104

dorsal surface of base of metacarpal II

Front 105

INNERVATION extensor carpi radialis longus

Back 105

radial n

Front 106

FUNCTION extensor carpi radialis longus

Back 106

extends and ABducts wrist
flex elbow

Front 107

ORIGIN extensor carpi radialis brevis

Back 107

common extensor tendon of lateral epicondyle of humerus, radial collateral lig of elbow, deep antebrachial fascia

Front 108

INSERTION extensor carpi radialis brevis

Back 108

dorsal surface of base of metacarpal III

Front 109

INNERVATION extensor carpi radialis brevis

Back 109

radial n

Front 110

FUNCTION extensor carpi radialis brevis

Back 110

extends and ABducts wrist

Front 111

ORIGIN extensor carpi ulnaris

Back 111

common extensor tendon of lateral epicondyle of humerus, posterior border of ulna, deep antebrachial fascia

Front 112

INSERTION extensor carpi ulnaris

Back 112

base of metacarpal V

Front 113

INNERVATION extensor carpi ulnaris

Back 113

radial n

Front 114

FUNCTION extensor carpi ulnaris

Back 114

extend and ADduct wrist

Front 115

ORIGIN pronator teres

Back 115

Humeral head: above medial epicondyle, common flexor tendon, deep antebrachial fascia
Ulnar head: medial side of coronoid process

Front 116

INSERTION pronator teres

Back 116

mid lateral surface of radius

Front 117

INNERVATION pronator teres

Back 117

median n

Front 118

FUNCTION pronator teres

Back 118

pronates forarm
flex elbow

Front 119

ORIGIN pronator quadratus

Back 119

medial, anterior surface of distal 1/4 of ulna

Front 120

INSERTION pronator quadratus

Back 120

lateral, anterior surface of distal 1/4 of radius

Front 121

INNERVATION pronator quadratus

Back 121

median n

Front 122

FUNCTION pronator quadratus

Back 122

pronates forarms

Front 123

ORIGIN supinator

Back 123

lateral epicondyle of humerus, radial collateral lig of elbow, annular lig of radius, supinator crest of ulna

Front 124

INSERTION supinator

Back 124

lateral surface of upper 1/3 of radius body

Front 125

INNERVATION supinator

Back 125

radial n

Front 126

FUNCTION supinator

Back 126

supinates forarm

Front 127

ORIGIN biceps brachii

Back 127

Short head: apex of coracoid process of scapula
Long head: supraglenoid tubercle of scapula

Front 128

INSERTION biceps brachii

Back 128

tuberosity of radius and aponeurosis of biceps brachii

Front 129

INNERVATION biceps brachii

Back 129

musculocutaneous N

Front 130

FUNCTION biceps brachii

Back 130

flex and ADduct shoulder
flex elbow

Front 131

ORIGIN brachialis

Back 131

distal 1/3 of anterior humerus, medial and lateral intermuscular septa

Front 132

INSERTION brachialis

Back 132

tuberosity and coronoid process of ulna

Front 133

INNERVATION brachialis

Back 133

musculocutaneous n

Front 134

FUNCTION brachialis

Back 134

flex elbow (either moving forearm to humerus, or humerus to forearm)

Front 135

ORIGIN triceps brachii

Back 135

Long head: infraglenoid tubercle of scapula
Lateral head: lateral and posterior proximal 1/3 of humerus, lateral intermuscular septum
Medial head: distal 2/3 of medial and posterior humerus below radial groove, medial intermuscular septum

Front 136

INSERTION triceps brachii

Back 136

posterior surface of olecranon process of ulna, antebrachial fascia

Front 137

INNERVATION triceps brachii

Back 137

radial n

Front 138

FUNCTION triceps brachii

Back 138

extends elbow.
Long head: ADduct and extend shoulder

Front 139

ORIGIN aconeus

Back 139

posterior lateral epicondyle of humerus

Front 140

INSERTION aconeus

Back 140

lateral side of olecranon process, upper 1/4 of posterior surface of ulna

Front 141

INNERVATION aconeus

Back 141

radial n

Front 142

FUNCTION aconeus

Back 142

extend elbow, stabalize ulna during pronation, supination

Front 143

ORIGIN brachioradialis

Back 143

proximal 2/3 of lateral supracondylar ridge of humerus, lateral intermuscular septum

Front 144

INSERTION brachioradialis

Back 144

lateral side of base of styloid process of radius

Front 145

INNERVATION brachioradialis

Back 145

radial n

Front 146

FUNCTION brachioradialis

Back 146

flex elbow, pronate/supinate forearm

Front 147

ORIGIN abductor hallucis

Back 147

medial process of tuberosity of calcaneus, flexor retinaculum, plantar aponeurosis, adjacent intermuscular septum

Front 148

INSERTION abductor hallucis

Back 148

medial side of base of proximal phalanx I

Front 149

INNERVATION abductor hallucis

Back 149

tibial n

Front 150

FUNCTION abductor hallucis

Back 150

ABducts and flexes metatarsophalangeal joint of hallucis
ADduct forefoot

Front 151

ORIGIN flexor hallucis brevis

Back 151

medial part of plantar cuboid, adjacent part of lateral cuneiform, prolongation of tendon of tibialis posterior

Front 152

INSERTION flexor hallucis brevis

Back 152

medial and lateral sides of base of proximal phalanx I

Front 153

INNERVATION flexor hallucis brevis

Back 153

tibial n

Front 154

FUNCTION flexor hallucis brevis

Back 154

flexes metatarsophalangeal joint of hallucis

Front 155

ORIGIN flexor hallucis longus

Back 155

posterior surface of distal 2/3 of fibula, interosseous membrane, adjacent intermuscular septa and fascia

Front 156

INSERTION flexor hallucis longus

Back 156

base of distal phalanx I

Front 157

INNERVATION flexor hallucis longus

Back 157

tibial n

Front 158

FUNCTION flexor hallucis longus

Back 158

flexes interphalangeal and metatarsophalangeal joints of hallucis
plantarflexion of ankle
inversion of foot

Front 159

ORIGIN extensor hallucis longus

Back 159

mid 1/2 of anterior fibula, adjacent interosseous membrane

Front 160

INSERTION extensor hallucis longus

Back 160

base of distal phalanx I

Front 161

INNERVATION extensor hallucis longus

Back 161

deep peroneal n

Front 162

FUNCTION extensor hallucis longus

Back 162

extends metatarsophalangeal and interphalangeal joints of hallucis
inverts foot
dorsiflexes ankle

Front 163

ORIGIN extensor hallucis brevis

Back 163

distal superior and lateral surfaces of calcaneus, lateral talocalcaneal lig, apex of interior extensor retinaculum

Front 164

INSERTION extensor hallucis brevis

Back 164

dorsal surface of base of proximal phalanx I

Front 165

INNERVATION extensor hallucis brevis

Back 165

deep peroneal N

Front 166

FUNCTION extensor hallucis brevis

Back 166

extends metatarsophalangeal joint of hallucis

Front 167

ORIGIN lumbricales (foot)

Back 167

medial sides of each of the 4 digitorum longus tendons

Front 168

INSERTION lumbricales (foot)

Back 168

medial side of proximal phalanx and dorsal expansion of extensor digitorum lungus tendon of digits II-V

Front 169

INNERVATION lumbricales (foot)

Back 169

tibial n

Front 170

FUNCTION lumbricales (foot)

Back 170

flex metatarsophalangeal joints
extends interphalangeal joint of digits II-V

Front 171

ORIGIN plantar interossei

Back 171

bases and medial sides of bodies of metatarsals III-V

Front 172

INSERTION plantar interossei

Back 172

medial sides of bases of proximal phalanges of same digit

Front 173

INNERVATION plantar interossei

Back 173

tibial n

Front 174

FUNCTION plantar interossei

Back 174

ADduct digits III-V, flex metatarsophalangeal joints

Front 175

ORIGIN dorsal interossei

Back 175

each by 2 heads from adjacent sides of metatarsal bones

Front 176

INSERTION dorsal interossei

Back 176

side of proximal phalanx and capsule of metatarsophalangeal joint of digits II-IV

Front 177

INNERVATION dorsal interossei

Back 177

tibial n

Front 178

FUNCTION dorsal interossei

Back 178

ABducts digits II-IV
flex metatarsophalangeal joints of these digits

Front 179

ORIGIN flexor digitorum brevis

Back 179

medial process of tuberosity of calcaneus, central part of plantar aponeurosis, adjacent intermuscular septa

Front 180

INSERTION flexor digitorum brevis

Back 180

mid phalanx of digits II-V

Front 181

INNERVATION flexor digitorum brevis

Back 181

tibial n

Front 182

FUNCTION flexor digitorum brevis

Back 182

flexes proximal interphalangeal and metatarsophalangeal joints of digits II_V

Front 183

ORIGIN flexor digitorum longus

Back 183

mid 3/5 of posterior surface of tibia, fascia covering tibialis posterior m

Front 184

INSERTION flexor digitorum longus

Back 184

bases of distal phalanges II-V

Front 185

INNERVATION flexor digitorum longus

Back 185

tibial n

Front 186

FUNCTION flexor digitorum longus

Back 186

flexes proximal and distal interphalangeal and metatarsophalangeal joint of digits II-V

Front 187

ORIGIN quadratus plantae

Back 187

Medial head: medial surface of calcaneus, medial border of long plantar lig
lateral head: lateral border of plantar calcaneus, lateral border of long plantar lig

Front 188

INSERTION quadratus plantae

Back 188

lateral margin and dorsal and plantar surfaces of tendon of flexor digitorum longus

Front 189

INNERVATION quadratus plantae

Back 189

tibial n

Front 190

FUNCTION quadratus plantae

Back 190

modifies line of pull of flexor digitorum longus tendons, flexes digits II-V

Front 191

ORIGIN extensor digitorum longus

Back 191

lateral condyle of tibia, proximal 3/4 of anterior fibula, proximal part of interosseous membrane, adjacent intermuscular septa, deep fascia

Front 192

INSERTION extensor digitorum longus

Back 192

M becomes 4 tendons which insert on base of mid phalanx, base of distal phalanx of digits II-V

Front 193

INNERVATION extensor digitorum longus

Back 193

peroneal n

Front 194

FUNCTION extensor digitorum longus

Back 194

extends metatarsophalangeal and interphalangeal joints of digits II-V
dorsiflex ankle
evert foot

Front 195

ORIGIN extensor digitorum brevis

Back 195

distal part of superior and lateral surfaces of calcaneus, lateral talocalcaneal lig, apex of inferior extensor retinaculum

Front 196

INSERTION extensor digitorum brevis

Back 196

M becomes 4 tendons which insert on tendons of extensor digitorum longus

Front 197

INNERVATION extensor digitorum brevis

Back 197

deep peroneal n

Front 198

FUNCTION extensor digitorum brevis

Back 198

extends metatarsophalangeal and interphalangeal joints of digits II-IV

Front 199

ORIGIN peroneus tertius

Back 199

distal 1/3 of anterior fibula, interosseous membrane, adjacent intermuscular septum

Front 200

INSERTION peroneus tertius

Back 200

dorsal base of metatarsal V

Front 201

INNERVATION peroneus tertius

Back 201

deep peroneal n

Front 202

FUNCTION peroneus tertius

Back 202

dorsiflexes ankle
evert foot

Front 203

ORIGIN tibialis anterior

Back 203

lateral condyle and proximal half of lateral tibia, interosseous membrane, adjacent intermuscular septum

Front 204

INSERTION tibialis anterior

Back 204

medial and plantar surface of medial cunieform, base of metatarsal I

Front 205

INNERVATION tibialis anterior

Back 205

deep peroneal n

Front 206

FUNCTION tibialis anterior

Back 206

dorsiflex ankle, invert foot

Front 207

ORIGIN tibialis posterior

Back 207

interosseous membrane, lateral posterior surface of tibia, proximal 2/3 of medial fibula, adjacent intermuscular septa and deep fascia

Front 208

INSERTION tibialis posterior

Back 208

tuberosity of navicular, sustentaculum tali, 3 cuneiforms, cuboid, base of metatarsal II-IV

Front 209

INNERVATION tibialis posterior

Back 209

tibial n

Front 210

FUNCTION tibialis posterior

Back 210

invert foot
plantarflex ankle

Front 211

ORIGIN peroneus longus

Back 211

lateral condyle of tibia, head and proximal 2/3 of lateral fibula, intermuscular septa, adjacent deep fascia

Front 212

INSERTION peroneus longus

Back 212

lateral base of metatarsal I, medial cuneiform

Front 213

INNERVATION peroneus longus

Back 213

superficial peroneal n

Front 214

FUNCTION peroneus longus

Back 214

evert foot
plantarflex ankle
depresses head of metatarsal I

Front 215

ORIGIN peroneus brevis

Back 215

distal 2/3 of lateral fibula, adjacent intermuscular septa

Front 216

INSERTION peroneus brevis

Back 216

tuberosity of base of metatarsal V

Front 217

INNERVATION peroneus brevis

Back 217

superficial peroneal n

Front 218

FUNCTION peroneus brevis

Back 218

evert foot
plantarflex ankle

Front 219

ORIGIN soleus

Back 219

posterior head and proximal 1/3 of fibula, soleal line and mid 1/3 of medial border of tibia, tendinous arch between tibia and fibula

Front 220

INSERTION soleus

Back 220

(with tendon of gastrocnemius) posterior surface of clacaneus

Front 221

INNERVATION soleus

Back 221

tibial n

Front 222

FUNCTION soleus

Back 222

plantarflex ankle

Front 223

ORIGIN gastrocnemius

Back 223

Medial head: proximal and posterior medial condyle and adjacent part of femur, capsule of knee joint
Lateral head: lateral condyle and posterior femur, capsule of knee

Front 224

INSERTION gastrocnemius

Back 224

mid part of posterior calcaneus

Front 225

INNERVATION gastrocnemius

Back 225

tibial n

Front 226

FUNCTION gastrocnemius

Back 226

flex ankle
flex knee

Front 227

ORIGIN plantaris

Back 227

distal part of lateral supracondylar line of femur, adjacent part of popliteal surface of femur, oblique popliteal lig of knee

Front 228

INSERTION plantaris

Back 228

posterior calcaneu

Front 229

INNERVATION plantaris

Back 229

tibial n

Front 230

FUNCTION plantaris

Back 230

flex ankle and knee

Front 231

ORIGIN popliteus

Back 231

anterior part of groove on lateral condyle of femur, oblique popliteal lig of knee

Front 232

INSERTION popliteus

Back 232

triangular area proximal to soleal line on posterior tibia, fascia covering M

Front 233

INNERVATION popliteus

Back 233

tibial n

Front 234

FUNCTION popliteus

Back 234

nonweight bearing: medially rotates tibia, flex knee
weight bearing: laterally rotates femur, flex knee

Front 235

ORIGIN semitendinosus

Back 235

tuberosity of ischium by tendon common with long head of biceps femoris

Front 236

INSERTION semitendinosus

Back 236

proximal part of medial body of tibia, deep fascia of leg

Front 237

INNERVATION semitendinosus

Back 237

sciatic n

Front 238

FUNCTION semitendinosus

Back 238

flex and medially rotate knee
extends and medially rotate hip

Front 239

ORIGIN semimembranosus

Back 239

tuberosity of ischium

Front 240

INSERTION semimembranosus

Back 240

posterior medial aspect of medial condyle of tibia

Front 241

INNERVATION semimembranosus

Back 241

sciatic n

Front 242

FUNCTION semimembranosus

Back 242

flexes and medially rotates knee
extends and medially rotates hip

Front 243

ORIGIN biceps femoris

Back 243

Long head: distal part of sacrotuberous lig and posterior part of tuberosity of ischium
Short head: lateral lip of linea aspera, proximal 2/3 of supracondylar line, lateral intermuscular septum

Front 244

INSERTION biceps femoris

Back 244

lateral head of fibula, lateral condyle of tibia, deep fascia on lateral side of leg

Front 245

INNERVATION biceps femoris

Back 245

sciatic n

Front 246

FUNCTION biceps femoris

Back 246

flex and laterally rotate knee
Long head: extends and laterally rotates hip

Front 247

ORIGIN psoas major

Back 247

ventral surface of transverse processes of lumbar vertebrae, sides of bodies and corresponding intervertebral disks of last thoracic and all lumbar vertebrae, membranous arches over bodies of lumbar vertebrae

Front 248

INSERTION psoas major

Back 248

lesser trochanter of femur

Front 249

INNERVATION psoas major

Back 249

lumbar plexus nn

Front 250

FUNCTION psoas major

Back 250

Fixed origin: flex hip by flexing femur on trunk, lateral rotation, and ABduct hip
Fixed insertion: flexes hip by flexing trunk on femur

Front 251

ORIGIN iliacus

Back 251

superior 2/3 of iliac fossa, internal lip of iliac crest, iliolumbar and vertral sacroiliac ligs, ala of sacrum

Front 252

INSERTION iliacus

Back 252

lateral side of tendon of psoas major, distal to lesser trochanter

Front 253

INNERVATION iliacus

Back 253

femoral n

Front 254

FUNCTION iliacus

Back 254

Fixed origin: flex hip by flexing femur on trunk, lateral rotation and ABduction of hip
Fixed insertion: flexes hip by flexing trunk on femur

Front 255

ORIGIN psoas minor

Back 255

sides of bodies of T12 and L1, intervertebral disk between these 2 vertebrae

Front 256

INSERTION psoas minor

Back 256

iliopectineal eminence, arcuate line of ilium, iliac fossa

Front 257

INNERVATION psoas minor

Back 257

lumbar plexus nn

Front 258

FUNCTION psoas minor

Back 258

flex pelvis on lumbar spine and vice versa

Front 259

ORIGIN sartorius

Back 259

anterosuperior iliac spine, superior 1/2 of notch distal to spine

Front 260

INSERTION sartorius

Back 260

proximal medial surface of tivia near anterior border

Front 261

INNERVATION sartorius

Back 261

femoral n

Front 262

FUNCTION sartorius

Back 262

flex, laterally rotate, ABduct hip
medially rotate knee

Front 263

ORIGIN tensor fasciae latae

Back 263

anterior part of external lip of iliac crest, outer surface of anterosuperior iliac spine, deep surface of fascia lata

Front 264

INSERTION tensor fasciae latae

Back 264

iliotibial tract of fascia lata at junction of proximal adn mid 1/3 of thigh

Front 265

INNERVATION tensor fasciae latae

Back 265

superior gluteal N

Front 266

FUNCTION tensor fasciae latae

Back 266

flex, medially rotate, ABduct hip
tenses fascia lata

Front 267

ORIGIN pectineus

Back 267

superior ramus of pubis, between iliopectineal eminence and pubic tubercle

Front 268

INSERTION pectineus

Back 268

pectineal line of femur

Front 269

INNERVATION pectineus

Back 269

femoral and obturator NN

Front 270

FUNCTION pectineus

Back 270

ADduct hip
pectineus: flex hip

Front 271

ORIGIN adductor magnus

Back 271

inferior pubis ramus, ramus of ischium, ischial tuberosity

Front 272

INSERTION adductor magnus

Back 272

medial to gluteal tuberosity, mid linea aspera, medial supracondylar line, adducter tubercle of medial condyle of femur

Front 273

INNERVATION adductor magnus

Back 273

obturator n

Front 274

FUNCTION adductor magnus

Back 274

ADduct hip
adductor magnus: flex and extend hip

Front 275

ORIGIN gracilis

Back 275

inferior 1/2 of symphysis pubis, medial margin of inferior ramus of pubis

Front 276

INSERTION gracilis

Back 276

medial surface of body of tibia

Front 277

INNERVATION gracilis

Back 277

obturator n

Front 278

FUNCTION gracilis

Back 278

ADduct hip
gracilis: flex and medially rotate knee

Front 279

ORIGIN adductor brevis

Back 279

outer surface of inferior ramus of pubis

Front 280

INSERTION adductor brevis

Back 280

distal 2/3 of pectineal line, proximal 1/2 of medial lip of linea aspera

Front 281

INNERVATION adductor brevis

Back 281

obturator n

Front 282

FUNCTION adductor brevis

Back 282

ADduct hip

Front 283

ORIGIN adductor longus

Back 283

anterior surface of pubis at junction of crest and symphysis

Front 284

INSERTION adductor longus

Back 284

mid 1/3 of medial lip of linea aspera

Front 285

INNERVATION adductor longus

Back 285

obturator n

Front 286

FUNCTION adductor longus

Back 286

ADduct hip

Front 287

ORIGIN rectus femoris

Back 287

Straight head: anteroinferior iliac spine
Reflexted head: groove above rim of acetabulum

Front 288

INSERTION rectus femoris

Back 288

proximal border of patella, patellar lig to tuberosity of tibia

Front 289

INNERVATION rectus femoris

Back 289

femoral n

Front 290

FUNCTION rectus femoris

Back 290

extend knee
rectus femoris: flex hip

Front 291

ORIGIN vastus lateralis

Back 291

proximal part of intertrochanteric line, anterior and inferior greater trochanter, lateral lip of gluteal tuberosity, proximal 1/2 lateral lip of linea aspera, lateral intermuscular septum

Front 292

INSERTION vastus lateralis

Back 292

proximal border of patella, patellar lig to tuberosity of tibia

Front 293

INNERVATION vastus lateralis

Back 293

femoral n

Front 294

FUNCTION vastus lateralis

Back 294

extend knee

Front 295

ORIGIN vastus intermedius

Back 295

anterior and lateral surface of proximal 2/3 of body of femur, distal 1/2 of linea aspera, lateral intermuscular septum

Front 296

INSERTION vastus intermedius

Back 296

proximal border of patella, patellar lig to tuberosity of tibia

Front 297

INNERVATION vastus intermedius

Back 297

femoral n

Front 298

FUNCTION vastus intermedius

Back 298

extend knee

Front 299

ORIGIN vastus medialis

Back 299

distal 1/2 of intertrochanteric line, medial lip of linea aspera, proximal part of medial supracondylar line, tendons of adductor longus and adductor magnus and medial intermuscular septum

Front 300

INSERTION vastus medialis

Back 300

proximal border of patella, patellar lig to tuberosity of tibia

Front 301

INNERVATION vastus medialis

Back 301

femoral n

Front 302

FUNCTION vastus medialis

Back 302

extend knee

Front 303

ORIGIN adductor hallucis

Back 303

Oblique head: base of metatarsals II-V, sheath of tendon of peroneus longus
Transverse head: plantar metatarsophalangeal lig of II-V digits, deep transverse metatarsal lig

Front 304

INSERTION adductor hallucis

Back 304

lateral side of base of proximal phalanx I

Front 305

INNERVATION adductor hallucis

Back 305

tibial N

Front 306

FUNCTION adductor hallucis

Back 306

ADducts and flexes metatarsophalangeal joint of hallucis

Front 307

What MM are contained within the medial compartment of the thigh?

Back 307

Gracilis, Adductor brevis, Adductor magnus (adductor portion), obturator externus

Front 308

What is the primary function of MM in the medial compartment of thigh?

Back 308

ADduct thigh

Front 309

What N innervates the Medial compartment of the thigh?

Back 309

Obturator N (L2-4)

Front 310

What MM make up the posterior compartment of the thigh?

Back 310

Adductor magnus (hamstring portion), biceps femoris, semitendinosus, semimembranosus

Front 311

What N innervates the MM of the posterior compartment of thigh?

Back 311

tibial
*EXCEPT for short head of biceps femoris--Common peroneal N

Front 312

What are the primary functions of the posterior compartment of thigh?

Back 312

Flex leg
Extend thigh

Front 313

What AA supply the posterior compartment of thigh?

Back 313

Deep femoral A, Popliteal A

Front 314

What is the Function of retinacula?

Back 314

hold tendons down and help the MM move in the foot like a pulley that increases the mechanical force of mm

Front 315

What MM are contained within the anterior compartment of the leg?

Back 315

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

Front 316

What N innervates the anterior compartment of the leg?

Back 316

deep peroneal n

Front 317

What are the primary functions of the MM of the anterior compartment of the leg?

Back 317

Dorsiflex foot
dorsiflex IP joint of toes

Front 318

What MM make up the lateral compartment of the leg?

Back 318

peroneus longus, peroneus brevis

Front 319

What N innervates the MM of the lateral compartment of the leg?

Back 319

superficial peroneal N

Front 320

What AA supply the lateral compartment of the leg?

Back 320

peroneal A, post tibial a

Front 321

What is the main function of the MM of the lateral compartment of the leg?

Back 321

plantarflexion and eversion of foot

Front 322

What MM make up the posterior compartment of the leg?

Back 322

gastrocnemius, soleus, plantaris, popliteus, flexor digitorum longus, flexor hallucis longus, tibialis posterior

Front 323

What N innervates the posterior compartment of the leg?

Back 323

tibial N

Front 324

What are the main functions of the MM of the posterior compartment of the leg?

Back 324

plantarflex foot
plantarflex IP joints of toes

Front 325

What is the musculoskeletal pump?

Back 325

when MM contract, it compresses the VV and forces venous blood back to the heart

Front 326

What is the function of the venous valves?

Back 326

keep blood from back flowing becuase it is moving against gravity