A&p1 Exam 3

Front 1

What is a muscle made of?

Back 1

Grouping of fascicles

Front 2

What covers a muscle?

Back 2

Epimysium

Front 3

What are fascicles made of?

Back 3

Muscle fibers

Front 4

What covers a fascicle?

Back 4

Perimysium

Front 5

What covers a muscle fiber?

Back 5

Endomysium

Front 6

Name the pronators of the forearm

Back 6

Pronator teres

Pronator quadratus

Front 7

Name the supinator of the forearm

Back 7

Supinator

Front 8

What is the origin of the pronator teres?

Back 8

Medial epicondyle of humerus

Front 9

Pronator teres insert?

Back 9

Mid-anterior radius

Front 10

Action of pronator teres

Back 10

Forearm pronation

Front 11

Back 11

Pronator teres

Front 12

Origin pronator quadratus

Back 12

Distal anterior of ulna

Front 13

Insertion pronator quadratus

Back 13

Distal anterior radius

Front 14

Action pronator quadratus

Back 14

Pronation forearm

Front 15

Back 15

Pronator quadratus

Front 16

Origin supinator

Back 16

Lateral epicondyle humerus

Front 17

Insertion supinator

Back 17

Proximal radius

Front 18

Back 18

Supinator

Front 19

Action: supinator

Back 19

Supination forearm

Front 20

Which muscles flex the wrist joint?

Back 20

Flexor carpi radialis

Flexor carpi ulnaris

Front 21

Which muscles flex fingers?

Back 21

Flexor digitorum profundus

Flexor digitorum superficialis

Front 22

Which muscle is not present in majority of humans?

Back 22

Palmaris longus

Front 23

Origin: flexor carpi radialis

Back 23

Medial epicondyle of humerus

Front 24

Insertion: flexor carpi radialis

Back 24

Bases of 2 + 3 metacarpals

Front 25

Action: flexor carpi radialis

Back 25

Wrist flexion and abduction

Front 26

Origin: flexor carpi ulnaris

Back 26

Medial epicondyle of humerus

Front 27

Insertion: flexor carpi ulnaris

Back 27

5th metacarpal base

Front 28

Action: flexor carpi ulnaris

Back 28

Flexion and adduction wrist

Front 29

Back 29

flexor carpi radialis

Front 30

Back 30

flexor carpi ulnaris

Front 31

Origin: palmaris longus

Back 31

Medial epicondyle of humerus

Front 32

Insertion: palmaris longus

Back 32

Palmar aponeurosis

Front 33

Action: palmaris longus

Back 33

Wrist flexion of cupped hand

Front 34

Back 34

Palmaris longus

Front 35

Which muscles originate at medial epicondyle of humerus?

Back 35

flexor carpi radialis

flexor carpi ulnaris

Palmaris longus

Flexor digitorum superficialis

Front 36

What do the muscle originating at medial epicondyle have in common?

Back 36

They are flexors

Front 37

Origin: Flexor digitorum profundus

Back 37

Ulna

Front 38

Insertion: Flexor digitorum profundus

Back 38

Distal phalanges 2-5

Front 39

Action: Flexor digitorum profundus

Back 39

Flexion of digits 2-5

Front 40

Back 40

Flexor digitorum profundus

Front 41

Origin: Flexor digitorum superficialis

Back 41

Medial epicondyle of humerus

Front 42

Insertion: Flexor digitorum superficialis

Back 42

Middle phalanges 2-5

Front 43

Action: Flexor digitorum superficialis

Back 43

Flexion of digits 2-5

Front 44

Which muscles extend the wrist?

Back 44

Extensor carpi radialis longus

Extensor carpi radialis brevis

Extensor carpi ulnaris

Front 45

Which muscles originate at lateral epicondyle of humerus?

Back 45

Extensor carpi radialis longus

Extensor carpi radialis brevis

Extensor carpi ulnaris

Extensor digitorum

Front 46

What action is associated with miracles originating at lateral epicondyle of humerus?

Back 46

Extension

Front 47

Origin: Extensor carpi radialis longus

Back 47

Lateral epicondyle of humerus

Front 48

Insertion: Extensor carpi radialis longus

Back 48

2nd metacarpal

Front 49

Action: Extensor carpi radialis longus

Back 49

Wrist extension and abduction

Front 50

Back 50

Extensor carpi radialis longus

Front 51

Back 51

Flexor digitorum superficialis

Front 52

Origin: Extensor carpi radialis brevis

Back 52

Lateral epicondyle of humerus

Front 53

Insertion: Extensor carpi radialis brevis

Back 53

3rd metacarpal

Front 54

Action: Extensor carpi radialis brevis

Back 54

Wrist extension and abduction

Front 55

Back 55

Extensor carpi radialis brevis

Front 56

Which muscles extend and abduct the wrist joint?

Back 56

Extensor carpi radialis longus

Extensor carpi radialis brevis

Front 57

Origin: Extensor carpi ulnaris

Back 57

Lateral epicondyle of humerus

Front 58

Insertion: Extensor carpi ulnaris

Back 58

5th metacarpal

Front 59

Action: Extensor carpi ulnaris

Back 59

Wrist joint extension and adduction

Front 60

Back 60

Extensor carpi ulnaris

Front 61

Origin: Extensor digitorum

Back 61

Lateral epicondyle of humerus

Front 62

Insertion: Extensor digitorum

Back 62

Digital phalanges of 2-5

Front 63

Action: Extensor digitorum

Back 63

Extend digits 2-5

Front 64

Back 64

Extensor digitorum

Front 65

Which aspect of the arm are extensor on?

Back 65

Posterior

Front 66

What aspect of the arm are flexors on?

Back 66

Anterior

Front 67

Which muscles extend the thumb?

Back 67

Extensor pollicis brevis

Extensor pollicis longus

Front 68

Origin: Extensor pollicis brevis

Back 68

Distal radius

Front 69

Insertion: Extensor pollicis brevis

Back 69

Proximal 1st phalanx

Front 70

Action: thumb extension

Back 70

Extensor pollicis brevis

Front 71

Back 71

Extensor pollicis brevis

Front 72

Origin: Extensor pollicis longus

Back 72

Ulna: medial

Front 73

Insertion: Extensor pollicis longus

Back 73

1st digital phalanx

Front 74

Action: Extensor pollicis longus

Back 74

Thumb extension

Front 75

Back 75

Extensor pollicis longus

Front 76

Origin: abductor pollicis longus

Back 76

Radius and ulna

Front 77

Insertion: abductor pollicis longus

Back 77

Metacarpal 1st

Front 78

Action: abductor pollicis longus

Back 78

Abducts thumb

Front 79

Back 79

abductor pollicis longus

Front 80

Origin: flexor pollicis longus

Back 80

Radius and ulna

Front 81

Insertion: flexor pollicis longus

Back 81

Distal 1st phalanx

Front 82

Action: flexor pollicis longus

Back 82

Thumb flexion

Front 83

Back 83

flexor pollicis longus

Front 84

What are the muscles of the pectoral girdle?

Back 84

Pectoralis minor

Pectoralis major

Trapezius

Latissimus dorsi

Levator scapulae

Serratus anterior

Rhomboids group

Front 85

Origin: pectoralis minor

Back 85

Costals 3-5

Front 86

Insertion: pectoralis minor

Back 86

Scapula coracoid proccess

Front 87

Action: pectoralis minor

Back 87

Foward tilt shoulder girdle

Front 88

Back 88

Pectoralis minor

Front 89

Origin: pectoralis major

Back 89

Sternum

Clavicle proximal

Various costals

Front 90

Insertion: pectoralis major

Back 90

Anterior proximal humerus

Front 91

Action: pectoralis major

Back 91

Horizontal adduction of shoulder joint

Front 92

Back 92

pectoralis major

Front 93

Orion: trapezius

Back 93

Occiput

Spinous proccess of all cervical + thoracic vertebrae

Front 94

Insertion: trapezius

Back 94

Spine+acromion proccess of scapula

Clavicle distal

Front 95

Action: trapezius

Back 95

elevation, retraction, depression or shoulder joint

Front 96

Origin: latissimus dorsi

Back 96

T7-12 + L1-5 spinous process

Iliac crest coxal bone

Front 97

Insertion: latissimus dorsi

Back 97

Anterior proximal of humerus

Front 98

Action: latissimus dorsi

Back 98

Shoulder joint: extension, medial rotation, adduction

Front 99

Back 99

latissimus dorsi

Front 100

Back 100

Trapezius

Front 101

Back 101

Pectoralis major

Front 102

Origin: levator scapulae

Back 102

Traverse proccess of upper cervical vertebrae

Front 103

Insertion: levator scapulae

Back 103

Superior angle of scapula

Front 104

Action: levator scapulae

Back 104

Shoulder girdle: elevation

Front 105

Back 105

levator scapulae

Front 106

Origin: serratus anterior

Back 106

Costals 1-8

Front 107

Insertion: serratus anterior

Back 107

Medial border of scapula

Front 108

Action: serratus anterior

Back 108

Shoulder girdle protraction

Front 109

Back 109

serratus anterior

Front 110

Origin: rhomboids group

Back 110

C7-T5 spinous proccess

Front 111

Insertion: rhomboids group

Back 111

Medial border of scapula

Front 112

Action: rhomboids group

Back 112

Shoulder girdle: retraction

Front 113

Back 113

Rhomboid major

Front 114

Back 114

Rhomboid minor

Front 115

Rotator cuff muscles

Back 115

Supraspinatus

Infraspinatus

Teres minor

Subscapularis

Front 116

What muscles stabilize shoulder joint?

Back 116

Supraspinatus

Infraspinatus

Teres minor

Subscapularis

Front 117

Origin: supraspinatus

Back 117

Supraspinous fossa of scapula

Front 118

Insertion: supraspinatus

Back 118

Greater tubercle of humerus

Front 119

Action: supraspinatus

Back 119

Abduction of shoulder joint

Front 120

Back 120

Supraspinatus

Front 121

Origin: infraspinatus

Back 121

Infraspinous fossa of scapula

Front 122

Insertion: infraspinatus

Back 122

Greatest tubercle of humerus

Front 123

Action: infraspinatus

Back 123

Shoulder joint lateral rotation

Front 124

Back 124

Infraspinatus

Front 125

Origin: teres minor

Back 125

Lateral border of scapula

Front 126

Insertion: teres minor

Back 126

Greater tubercle of humerus

Front 127

Back 127

Teres minor

Front 128

What muscles insert at greater tubercle of humerus?

Back 128

Supraspinatus

Infraspinatus

Teres minor

Front 129

Origin: subscapularis

Back 129

Subscapular fossa scapula

Front 130

Insertion: subscapularis

Back 130

Lesser tubercle of humerus

Front 131

Action: subscapularis

Back 131

Shoulder joint: medial rotation

Front 132

Back 132

Subscapularis

Front 133

Which muscles adduct the arm at the shoulder joint?

Back 133

Coracobrachialis

Latissimus dorsi

Teres major

Front 134

Origin: coracobrachialis

Back 134

Coracoid proccess of scapula

Front 135

Insertion: coracobrachialis

Back 135

Humerus: medial shaft

Front 136

Action: coracobrachialis

Back 136

Shoulder joint adduction

Front 137

Back 137

coracobrachialis

Front 138

Origin: teres major

Back 138

Lateral border of scapula

Front 139

Insertion: teres major

Back 139

Anterior proximal of humerus

Front 140

Action: teres major

Back 140

Shoulder joint adduction

Front 141

Back 141

Teres major

Front 142

Which muscles abduct the arm at the shoulder joint?

Back 142

Supraspinatus

Deltoid

Front 143

Origin: deltoid

Back 143

Distal clavicle

Spine + acromion process of scapula

Front 144

Insertion: deltoid

Back 144

Deltoid tuberosity of humerus

Front 145

Action: deltoid

Back 145

Shoulder joint abduction

Front 146

Back 146

Deltoid

Front 147

Which muscles both extend the arm at the shoulder joint and forearm at the elbow joint?

Back 147

Triceps brachii

Front 148

Origin: triceps brachii: long head

Back 148

Infraglenoid tubercle of scapula

Front 149

Origin: triceps brachii: lateral head

Back 149

Posterior humerus

Front 150

Origin: triceps brachii: medial head

Back 150

Posterior humerus

Front 151

Insertion: triceps brachii

Back 151

Olecranon process of ulna

Front 152

Action: triceps brachii

Back 152

Shoulder and elbow joint extension

Front 153

Which muscle/s flex the arm at both the elbow and shoulder joint?

Back 153

Biceps brachii

Front 154

What muscles flex the arm at the elbow joint?

Back 154

Biceps brachii

Bracialis

Brachioradialis

Front 155

Origin: biceps brachii: short head

Back 155

Coracoid proccess of scapula

Front 156

Insertion: biceps brachii

Back 156

Radial tuberosity

Front 157

Origin: biceps brachii: long head

Back 157

Supraglenoid tubercle of scapula

Front 158

Action: biceps brachii

Back 158

Flexion at shoulder and elbow joint

Supination at forearm

Front 159

Which muscles supinate the forearm?

Back 159

Supinator

Biceps brachii

Front 160

Back 160

Triceps brachii

Front 161

Back 161

Triceps brachii: long head

Front 162

Back 162

Triceps brachii: lateral head

Front 163

Yellow

Back 163

Triceps brachii: medial head

Front 164

Back 164

Biceps brachii

Front 165

Blue

Back 165

Biceps brachii short head

Front 166

Red

Back 166

Biceps brachii long head

Front 167

Origin: brachialis

Back 167

Distal anterior of humerus

Front 168

Insertion: brachialis

Back 168

Coronoid proccess of ulna

Front 169

Action: brachialis

Back 169

Flexion of elbow joint

Front 170

Back 170

brachialis

Front 171

Origin: brachioradialis

Back 171

Lateral supracondylar ridge of humerus

Front 172

Insertion: brachioradialis

Back 172

Styloid proccess of radius

Front 173

Action: brachioradialis

Back 173

Flexion of elbow joint (semipronated)

Front 174

Back 174

brachioradialis

Front 175

Which muscles make up the everters of the foot?

Back 175

Fibularis longus

Fibularis brevis

Fibularis tertius

Front 176

Origin: fibularis tertius

Back 176

Anterior distal fibula

Front 177

Insertion: fibularis tertius

Back 177

5th metatarsal base

Front 178

Action: fibularis tertius

Back 178

Foot eversion and dorsiflexion

Front 179

Back 179

fibularis tertius

Front 180

Origin: fibularis brevis

Back 180

Lateral distal fibula

Front 181

Insertion: fibularis brevis

Back 181

5th metatarsal base

Front 182

Action: fibularis brevis

Back 182

Foot eversion and plantar flexion

Front 183

Back 183

fibularis brevis

Front 184

Origin: fibularis longus

Back 184

Lateral proximal fibula

Front 185

Insertion: fibularis longus

Back 185

1st metatarsal base

Front 186

Action: fibularis longus

Back 186

Foot eversion and plantar flexion

Front 187

Back 187

fibularis longus

Front 188

Origin: flexor hallucis longus

Back 188

Posterior fibula

Front 189

Insertion: flexor hallucis longus

Back 189

1st phalanx

Front 190

Action: flexor hallucis longus

Back 190

Flexion digit 1

Plantar flexion

Front 191

Back 191

flexor hallucis longus

Front 192

Origin: flexor digitorum longus

Back 192

Posterior tibia

Front 193

Insertion: flexor digitorum longus

Back 193

Phalanges 2-5

Front 194

Action: flexor digitorum longus

Back 194

Flexion digits 2-5

Plantar flexion

Front 195

Back 195

flexor digitorum longus

Front 196

Origin: tibialis posterior

Back 196

Posterior fibula and tibia

Front 197

Insertion: tibialis posterior

Back 197

1st metatarsal base

Front 198

Action: tibialis posterior

Back 198

Foot inversion

Plantar flexion

Front 199

Back 199

tibialis posterior

Front 200

Which muscles invert the foot?

Back 200

Tibialis anterior

tibialis posterior

Front 201

Which muscles flex the toes?

Back 201

Flexor digitorum longus

Flexor hallucis longus

Front 202

Which muscles plantar flex the foot?

Back 202

Fibularis longus

Fibularis brevis

Flexor digitorum longus

Flexor hallucis longus

tibialis posterior

Plantaris

Soleus

Gastrocnemius

Front 203

Where do the main plantar flexors of the foot insert?

Back 203

Calcaneus tuberosity

Front 204

Which muscles are the main plantar flexors of the foot?

Back 204

Plantaris

Soleus

Gastrocnemius

Front 205

Origin: plantaris

Back 205

Lateral epicondyle of femur

Front 206

Insertion: plantaris

Back 206

Calcaneus tuberosity

Front 207

Action: plantaris

Back 207

Plantar flexion

Weak knee flexion

Front 208

Back 208

plantaris

Front 209

Origin: soleus

Back 209

Soleal line of tibia + fibula

Front 210

Insertion: soleus

Back 210

Calcaneus tuberosity

Front 211

Action: soleus

Back 211

Plantar flexion

Front 212

Back 212

soleus

Front 213

Origin: gastrocnemius

Back 213

Medial + lateral epicondyle of femur

Front 214

Insertion: gastrocnemius

Back 214

Calcaneus tuberosity

Front 215

Action: gastrocnemius

Back 215

Plantar flexion

Weak knee flexion

Front 216

Back 216

gastrocnemius

Front 217

Which muscles dorsiflex the foot?

Back 217

Tibialis anterior

Extensor digitorum longus

Extensor hallucis longus

Front 218

Which muscles extend the toes?

Back 218

Extensor digitorum longus

Extensor hallucis longus

Front 219

Origin: Extensor hallucis longus

Back 219

Anterior fibula

Front 220

Insertion: Extensor hallucis longus

Back 220

Phalanx 1

Front 221

Action: Extensor hallucis longus

Back 221

Dorsiflexion

Extends digit 1

Front 222

Back 222

Extensor hallucis longus

Front 223

Origin: Extensor digitorum longus

Back 223

Anterior tibia

Front 224

Insertion: Extensor digitorum longus

Back 224

Phalanges 2-5

Front 225

Action: Extensor digitorum longus

Back 225

Dorsiflexion

Extends digits 2-5

Front 226

Back 226

Extensor digitorum longus

Front 227

Origin: tibialis anterior

Back 227

Anterior lateral border of tibia

Front 228

Insertion: tibialis anterior

Back 228

1st Metatarsal base

Front 229

Action: tibialis anterior

Back 229

Dorsiflexion

Inversion

Front 230

What are the knee joint extenders?

Back 230

Quadriceps femoris: rectus femoris, vastus lateralis, vastus medialis, vastus intermedius

Front 231

Back 231

Quadriceps femoris

Front 232

Origin: vastus intermedius

Back 232

Anterior proximal femur

Front 233

Insertion: vastus intermedius

Back 233

Tibial tuberosity via patella

Front 234

Action: vastus intermedius

Back 234

Extension at knee joint

Front 235

Back 235

vastus intermedius

Front 236

Back 236

Tibialis anterior

Front 237

Origin: vastus medialis

Back 237

Linea aspera of femur

Front 238

Insertion: vastus medialis

Back 238

Tibial tuberosity via patella

Front 239

Action: vastus medialis

Back 239

Knee joint extension

Front 240

Back 240

vastus medialis

Front 241

Origin: vastus lateralis

Back 241

Linea aspera of femur

Front 242

Insertion: vastus lateralis

Back 242

Tibial tuberosity via patella

Front 243

Action: vastus lateralis

Back 243

Knee joint extension

Front 244

Back 244

vastus lateralis

Front 245

Origin: rectus femoris

Back 245

Anterior inferior iliac spine of coxal bone

Front 246

Insertion: rectus femoris

Back 246

Tibial tuberosity via patella

Front 247

Action: rectus femoris

Back 247

Knee joint extension

Weak hip flexor

Front 248

Back 248

rectus femoris

Front 249

Where does the quadriceps femoris insert?

Back 249

Tibial tuberosity via patella

Front 250

Where do the knee joint extenders insert?

Back 250

Tibial tuberosity via patella

Front 251

Origin: biceps femoris

Back 251

Ischial tuberosity of coxal bone

Front 252

Insertion: biceps femoris

Back 252

Fibular head

Front 253

Action: biceps femoris

Back 253

Leg flexion

Weak hip extensor

Front 254

Back 254

biceps femoris

Front 255

Origin: semitendinosus

Back 255

Ischial tuberosity of coxal bone

Front 256

Insertion: semitendinosus

Back 256

Proximal tibia via pes anserinus

Front 257

Action: semitendinosus

Back 257

Leg flexion

Weak hip extensor

Front 258

Back 258

semitendinosus

Front 259

Origin: semimembranous

Back 259

Ischial tuberosity of coxal bone

Front 260

Insertion: semimembranous

Back 260

Medial condyle of tibia

Front 261

Action: semimembranous

Back 261

Knee joint flexion

Weak hip extensor

Front 262

Which muscles are hip joint adductors?

Back 262

Pectineus

Adductor magnus

Adductor longus

Adductor brevis

Gracilis

Front 263

Origin: gracilis

Back 263

Public ramus of coxal bone

Front 264

Insertion: gracilis

Back 264

proximal tibia via Pes Anserinus

Front 265

Action: gracilis

Back 265

Hip joint adduction

Knee joint flexion

Front 266

Back 266

gracilis

Front 267

Origin: adductor brevis

Back 267

Public ramus of coxal bone

Front 268

Insertion: adductor brevis

Back 268

Linea aspera of femur

Front 269

Action: adductor brevis

Back 269

Hip joint adduction

Front 270

Back 270

adductor brevis

Front 271

Origin: adductor longus

Back 271

Public ramus of coxal bone

Front 272

Insertion: adductor longus

Back 272

Linea aspera of femur

Front 273

Action: adductor longus

Back 273

Hip joint adduction

Front 274

Back 274

adductor longus

Front 275

Origin: adductor magnus

Back 275

Ischial tuberosity of coxal bone

Front 276

Insertion: adductor magnus

Back 276

Linea aspera and adductor tubercle of femur

Front 277

Action: adductor magnus

Back 277

Hip joint adduction and extension

Front 278

Back 278

adductor magnus

Front 279

Origin: pectineus

Back 279

Public ramus of coxal bone

Front 280

Insertion: pectineus

Back 280

Linea aspera of femur

Front 281

Action: pectineus

Back 281

Hip joint adduction and flexion

Front 282

What is the origin of the majority of the Hip joint adductors?

Back 282

Public ramus of coxal bone

Front 283

Where do the majority of the Hip joint adductors insert?

Back 283

Linea aspera of femur

Front 284

What are the hip joint flexors?

Back 284

Sartorius

Iliopsoas: iliacus + psoas major

Tensor fasciae latae

Front 285

Origin: Tensor fasciae latae

Back 285

Coxal bone: anterior superior iliac spine

Front 286

Insertion: Tensor fasciae latae

Back 286

Ilio-tibial tract

Front 287

Action: Tensor fasciae latae

Back 287

Hip joint: flexion + medial rotation

Front 288

Back 288

Tensor fasciae latae

Front 289

Back 289

Pectineus

Front 290

Origin: psoas major

Back 290

Lumbar vertebra anterior

Front 291

Insertion: psoas major

Back 291

Lesser trochanter of femur

Front 292

Action: psoas major

Back 292

Hip joint: flexion + lateral rotation

Front 293

Back 293

psoas major

Front 294

Origin: iliacus

Back 294

Coxal bone: iliac fossa

Front 295

Insertion: iliacus

Back 295

Lesser trochanter of femur

Front 296

Action: iliacus

Back 296

Hip joint: flexion + lateral rotation

Front 297

Back 297

Iliacus

Front 298

Insertion: iliopsoas

Back 298

Lesser trochanter of femur

Front 299

Action: iliopsoas

Back 299

Hip joint: flexion + lateral rotation

Front 300

Back 300

iliopsoas

Front 301

Origin: sartorius

Back 301

Coxal bone: anterior superior iliac spine

Front 302

Insertion: sartorius

Back 302

Proximal tibia via pes anserinus

Front 303

Action: sartorius

Back 303

Hip joint: flexion + abduction w/ lateral rotation

Knee joint: flexion

Front 304

Back 304

sartorius

Front 305

What are the abductors of the thigh?

Back 305

Gluteus medius

Gluteus minimus

Piriformis

Front 306

Where do the abductors of the thigh insert?

Back 306

Greater trochanter of the femur

Front 307

Origin: Piriformis

Back 307

Sacrum lateral border

Front 308

Insertion: Piriformis

Back 308

Greater trochanter of the femur

Front 309

Action: Piriformis

Back 309

Hip joint: abduction + lateral rotation

Front 310

Back 310

Piriformis

Front 311

Origin: gluteus minimus

Back 311

Lateral ilium of coxal bone

Front 312

Insertion: gluteus minimus

Back 312

Greater trochanter of the femur

Front 313

Action: gluteus minimus

Back 313

Hip joint: abduction

Front 314

Back 314

gluteus minimus

Front 315

Origin: gluteus medius

Back 315

Lateral ilium of coxal bone

Front 316

Insertion: gluteus medius

Back 316

Greater trochanter of the femur

Front 317

Action: gluteus medius

Back 317

Hip joint: abduction + lateral rotation

Front 318

Back 318

gluteus medius

Front 319

Origin: gluteus maximus

Back 319

Sacrum, coccyx, and Coxal bone: posterior superior iliac spine

Front 320

Insertion: gluteus maximus

Back 320

Gluteal tuberosity of femur and ilio-tibial tract

Front 321

Action: gluteus maximus

Back 321

Hip joint: extension + lateral rotation

Front 322

Back 322

gluteus maximus

Front 323

Action: zygomaticus major and minor

Back 323

Elevates corner of mouth

Front 324

Back 324

Zygomaticus minor

Front 325

Back 325

Zygomaticus major

Front 326

Action: risorius

Back 326

Retracts corners of mouth

Front 327

Back 327

Risorius

Front 328

Action: levator anguli oris

Back 328

Elevates mouth corners

Front 329

Back 329

levator anguli oris

Front 330

Action: depressor anguli oris

Back 330

Depresses corners of mouth

Front 331

Back 331

depressor anguli oris

Front 332

Action: depressor labii inferioris

Back 332

Depresses lower lip

Front 333

Back 333

depressor labii inferioris

Front 334

Action: levator labii superioris

Back 334

Elevates upper lip

Front 335

Back 335

levator labii superioris

Front 336

Action: orbicularis oris

Back 336

Puckers lip

Front 337

Back 337

orbicularis oris

Front 338

Action: orbicularis oculi

Back 338

Closes eyelids

Depresses eyebrows (squinting)

Front 339

Back 339

orbicularis oculi

Front 340

Action: epicranius

Back 340

Elevates eyebrows

Front 341

Back 341

Epicranius posterior belly

Front 342

Back 342

Epicranius frontal belly

Front 343

Back 343

Epicranius

Front 344

What are the muscles of mastication?

Back 344

Masseter

Temporalis

Pterygoids

Buccinator

Platysma

Front 345

Action: Platysma

Back 345

Tense skin of throat

Depress mandible

Front 346

Origin: Platysma

Back 346

Fascia of chest muscles

Front 347

Insertion: Platysma

Back 347

Mandible

Front 348

Back 348

Platysma

Front 349

Origin: Buccinator

Back 349

Maxilla and mandible

Front 350

Insertion: Buccinator

Back 350

Orbicularis oris

Front 351

Action: Buccinator

Back 351

Compresses cheek

Front 352

Back 352

Buccinator

Front 353

Origin: Pterygoids

Back 353

Sphenoid, palatine, maxilla

Front 354

Insertion: Pterygoids

Back 354

Mandible

Front 355

Action: Pterygoids

Back 355

Protrusion and side to side motion of mandible

Front 356

Action: Pterygoids lateral

Back 356

Depression of mandible

Front 357

Action: Pterygoids medial

Back 357

Elevation of mandible

Front 358

Back 358

Pterygoids

Front 359

Back 359

Pterygoids medial

Front 360

Back 360

Pterygoids lateral

Front 361

Origin: Temporalis

Back 361

Temporal

Front 362

Insertion: Temporalis

Back 362

Mandible coronoid proccess

Front 363

Insertion: Temporalis

Back 363

Mandible coronoid proccess

Front 364

Action: Temporalis

Back 364

Elevates mandible

Front 365

Back 365

Temporalis

Front 366

Origin: Masseter

Back 366

Zygomatic and temporal (zygomatic arch)

Front 367

Insertion: Masseter

Back 367

Ramus and angle of mandible

Front 368

Action: Masseter

Back 368

Elevation of mandible

Front 369

Back 369

Masseter

Front 370

Which muscles elevate the mandible?

Back 370

Masseter

Temporalis

Pterygoids medial

Front 371

Which muscles depress the mandible?

Back 371

Platysma

Pterygoids lateral

Front 372

What are/is the postural muscle/s of the lower back?

Back 372

Quadratus lumborum

Front 373

Origin: Quadratus lumborum

Back 373

Iliac crest of coxal bone

Front 374

Insertion: Quadratus lumborum

Back 374

Transverse processes of lumbar vertebrae

12th costal dorsal

Front 375

Action: Quadratus lumborum

Back 375

Lateral flexion

Stabilizes vertebral column

Frontal posture

Front 376

Back 376

Quadratus lumborum

Front 377

Which muscle/s extend the trunk and erect the spine?

Back 377

Spinalis group

Longissimus group

Iliocostalis group

Front 378

Origin: Spinalis group

Back 378

Spinous processes of cervical and thoracic vertebrae

Front 379

Insertion: Spinalis group

Back 379

Spinous proccess of vertebrae

Front 380

Action: Spinalis group

Back 380

Extension of trunk and neck

Front 381

Back 381

Spinalis group

Front 382

Origin: Longissimus group

Back 382

Transverse processes of vertebrae

Front 383

Insertion: Longissimus group

Back 383

Transverse processes of vertebrae

Costals

Front 384

Action: Longissimus group

Back 384

Extension of trunk

Same side lateral flexion

Front 385

Back 385

Longissimus group

Front 386

Origin: Iliocostalis group

Back 386

Iliac crest of coxal bone

Sacrum

Front 387

Insertion: Iliocostalis group

Back 387

Dorsal costals

Front 388

Action: Iliocostalis group

Back 388

Extension of trunkSame side lateral flexion

Front 389

Back 389

Iliocostalis group

Front 390

Which muscle/s flex the trunk?

Back 390

Rectus abdominis

Obliquus externus abdominis

Obliquus internus abdominis

Transverse abdominis

Front 391

Origin: Transverse abdominis

Back 391

Lumbar spine

Ribcage

Pelvis

Front 392

Insertion: Transverse abdominis

Back 392

Linea alba

Front 393

Action: Transverse abdominis

Back 393

Compress abdomen for forced exhalation

Front 394

Back 394

Transverse abdominis

Front 395

Origin: Obliquus internus abdominis

Back 395

Lumbar spine

Pelvis

Front 396

Insertion: Obliquus internus abdominis

Back 396

Linea Alba

Front 397

Action: Obliquus internus abdominis

Back 397

Flexion and rotation of trunk

Front 398

Back 398

Obliquus internus abdominis

Front 399

Origin: Obliquus externus abdominis

Back 399

Lower, anterior costals

Front 400

Insertion: Obliquus externus abdominis

Back 400

Linea alba

Front 401

Action: Obliquus externus abdominis

Back 401

Flexion and rotation of trunk

Front 402

Back 402

Obliquus externus abdominis

Front 403

Origin: Rectus abdominis

Back 403

Pubis of coxal bone

Front 404

Insertion: Rectus abdominis

Back 404

Sternum

Costals

Front 405

Action: Rectus abdominis

Back 405

Flexion of trunk

Bilateral contraction

Front 406

Back 406

Rectus abdominis

Front 407

Muscle/s of ventilation

Back 407

Diaphragm

External intercostals

Internal intercostals

Front 408

Origin: Diaphragm

Back 408

Interior costals

T-12

Sternum

Front 409

Insertion: Diaphragm

Back 409

Central tendon of muscle belly

Front 410

Action: Diaphragm

Back 410

Depresses itself for active inhalation

Front 411

Back 411

Diaphragm

Front 412

Origin: External intercostals

Back 412

Costal margin

Front 413

Insertion: External intercostals

Back 413

Costal margin

Front 414

Action: External intercostals

Back 414

Stabilizes ribcage for forced inhalation

Front 415

Back 415

External intercostals

Front 416

Origin: Internal intercostals

Back 416

Costal margin

Front 417

Insertion: Internal intercostals

Back 417

Costal margin

Front 418

Action: Internal intercostals

Back 418

Stabilizes ribcage for forced exhalation

Front 419

Back 419

Internal intercostals

Front 420

Origin: splenius capitus

Back 420

Ligamentum nuchae

Front 421

Insertion: splenius capitus

Back 421

Mastoid proccess of temporal bone

Front 422

Action: splenius capitus

Back 422

Extends and hyperextends neck

Front 423

Back 423

splenius capitus

Front 424

Origin: scalenus muscle group

Back 424

Transverse processes of cervical vertebrae

Front 425

Insertion: scalenus muscle group

Back 425

Costals 1+2

Front 426

Action: scalenus muscle group

Back 426

Flexes neck

Same side rotation

Elevates ribcage for forced exhalation

Front 427

Back 427

scalenus muscle group

Front 428

Origin: sternocleidomastoid

Back 428

Manubrium of sternum

Proximal clavicle

Front 429

Insertion: sternocleidomastoid

Back 429

Mastoid proccess of temporal bone

Front 430

Action: sternocleidomastoid

Back 430

Flexes neckOpposite side rotation

Front 431

Back 431

sternocleidomastoid