Muscle Worksheet
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Deltoid | Lateral 1/3 of clavicle, acromion, and spine of scapula | Deltoid tuberosity | Axillary from brachial plexus | Abduction of shoulder, Flexion/Extension of shoulder, Medially/Laterally rotates shoulder | (blank)
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| Trapezius | External occipital protuberance, superior nuchal line of occiput, ligamentum nuchae, and spinous process of C7-T12 | Lateral 1/3 of clavicle, acromion, and spine of scapula | Spinal accessory and cervical plexus | Extend head/neck, Lateral flex of neck to same side, Rotate neck to opposite side,stabilize scapula, rotate scapula up/down, Adduct scapula | (blank)
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| Latissimus Dorsi | Spinous process T6-T12, last 3-4 ribs, thoracolumbar aponeurosis, and posterior illiac crest | Crest of lesser tubercle of humerus | Thoracodorsal | Extend, adduct, and medially rotate shoulder | (blank)
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| Teres Major | Lateral side of inferior angle and lower half of lateral border of the scapula | Crest of lesser tubercle of humerus | Lower subscapular | Extend, adduct, and medially rotate shoulder | (blank)
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| Supraspinatus | Supraspinous fossa of the scapula | Greater tubercle of humerus | Suprascapular | Abducts shoulder and stabilizes head of humerus in glenoid cavity | (blank)
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| Infraspinatus | infraspinous fossa of the scapula | Greater tubercle of humerus | Suprascapular | Laterally rotates shoulder, Adduct & Extend shoulder, stabilizes head of humerus in glenoid cavity | (blank)
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| Teres Minor | Superior half of lateral border of scapula | Greater tubercle of humerus | Axillary | Laterally rotates shoulder, Adduct & Extend shoulder, stabilizes head of humerus in glenoid cavity | (blank)
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| Subscapularis | Subscapular fossa of the scapula | Lesser tubercle of humerus | Upper/lower subscapular | Medially rotates shoulder and stabilizes head of humerus in glenoid cavity | (blank)
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| Rhomboid Major | Spinous processes of T2-T5 | Medial border of scapula; between spine of scapula and inferior angle | Dorsal scapular from brachial plexus | Adduct, elevate, and downwardly rotate scapula | (blank)
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| Rhomboid Minor | Spinous processes of C7 and T1 | Upper portion of medial border of scapula, across form spine of scapula | Dorsal scapular from brachial plexus | Adduct, elevate, and downwardly rotate scapula | (blank)
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| Levator Scapulae | transverse process of cervical 1-4 | vertebral border of scapula, between superior angle and scapular spine | dorsal scapular C5, and ventral rami of C3,4 | scapular elevation, downward rotation, and retraction | (blank)
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| Serratus Anterior | superior lateral surfaces of upper 8 or 9 ribs | costal surface of vertebral border along inferior angle of scapula | Long thoracic, C5,6,7. | scapular protraction, upward rotation, stabilization | (blank)
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| Pectoralis Minor | anterior surface of 3rd, 4th, 5th ribs | coracoid process of scapula | coracoid process of scapula | protraction with fixed ribs, elevates ribs with coracoid fixed (scapular depression, downward rotation, stabilization) | (blank)
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| Pectoralis Major | C: ant surface of med. 1/2 clavicle; S: sternum to 7th rib, cartilages of true ribs and aponeurosis of ext. obliques | lateral lip of the intertubercular sulcus of the humerus (bicipital groove); crest of greater tubercle | C:lateral pectoral C5, 6 S: lateral and medial pectoral, C7,8, T1. | flexion, adduction, horiz. flexion, medial rotation. S also extends flexed humerus | (blank)
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| Coracobrachialis | Coracoid Process | roughening in the medial shaft | musculocutaneous, C5-7 | flexes arm at glenohumeral joint | (blank)
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| Biceps Brachii | supraglenoid tubercle on scapula(long) and coracoid process (short) | radial tuberosity | musculocutaneous, C5-6 | forearm flexion and supination | (blank)
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| Brachialis | anterior aspect of the humerus and adjacent intermuscular septae | tuberosity of the ulna | musculocutaneous, C5-6 (and some C7 from Radial N.) | forearm flexion | (blank)
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| Triceps Brachii | infraglenoid tubercle(long), superior 1/2 of post. humerus(lat), inferior 2/3 of post. humerus (medial) | olecranon process of ulna | radial, C6-8 | extension of forearm (long also adducts shoulder) | (blank)
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| Pronator Teres | medial epicondyle(humeral) and medial coronoid process (ulnar) | middle 1/3 lateral radius | median, C6-7 | pronation and flexion | (blank)
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| Pronator Quadratus | linear ridge on distal anterior surface of ulna | distal ant. surface of radius | median nerve (ant. interosseus), C7-8 | pronation | (blank)
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| Supinator | lateral epicondyle, radial collateral lig., annular lig, supinator crest of the ulna | lateral surface of radius | Deep Radial, C6-7 | supination | (blank)
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| Flexor Carpi Radialis | medial epicondyle | anterior surface of base of 2nd and 3rd metacarpal | median, C6-7 | flexion and radial deviation | (blank)
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| Flexor Carpi Ulnaris | medial epicondyle | posterior border of ulna | ulnar, C7-8 and T1 | wrist flexion and ulnar deviation | (blank)
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| Flexor Digitorum Superficialis | medial epicondyle and coronoid process(humeroulnar), oblique line of radius (radial) | 4 tendons to base of middle phalanges | median, C8 and T1 | wrist flexion, MCP jt and IP jt flexion | (blank)
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| Flexor Digitorum Profundus | Anteromedial surface of ulna and anteromedial surface of interosseus membrane | palmar surface of distal phalynx | median (lat. half) and ulnar (medial half), C8 and T1 | flexes DIP, MP and wrist | (blank)
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| Extensor Carpi Ulnaris | lateral epicondyle and post. border of ulna | post. surface of 5th metacarpal | post. interosseus, C7-8 | extends and ulnarly deviates wrist | (blank)
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| Extensor Carpi Radialis Longus | Distal lateral supracondylar ridge | dorsal surface of base of 2nd metacarpal | Radial, C6-7 | wrist extension and radial deviation with coulpled with flexor carpi radialis) | (blank)
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| Extensor Digitorum | lateral epicondyle | 4 tendons, split 1 to dorsal MP and 2 to DP | post. interosseus C7-8 | extends fingers | (blank)
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| Extensor Indicis | Posterior ulna and interosseus membrane | ext. hood of index (ex. digit tendon) | post. interosseus, C7-8 | Extends phalanges of index | (blank)
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| Lumbricals | Surfaces of the flexor digitorium profundus tendons | Extensor aponeurosis on dorsal durface of phalanges | Second and third: Median Fourth and fifth: Ulnar | Extend 2nd-5th fingers @ interphalangeal joints Flex 2nd-5th fingers @ metacarpophalangeal joints | (blank)
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| Palmar Interossei | Base of 1st, 2nd, 4th, and 5th metacarpals | Base of proximal phalanges of related finger and the extensor aponeurosis | ulnar | Adduct the thumb, 2nd, 4th, and 5th fingers toward 3rd finger. Assist in Extend 2nd-5th fingers @ interphalangeal joints. Assist in Flex 2nd-5th fingers @ metacarpophalangeal joints | (blank)
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| Psoas Major | Bodies and transverse processes of lumbar vertebrae | Lesser Trochanter | Lumbar plexus | Flex, laterally rotate, and adduct the hip | (blank)
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| Psoas Minor | Body and transverse processes of 1st lumbar vertebrae | Superior ramus of pubis | Ventral rami of lumbar | Assist to create lordotic cuvature in the lumbar spine, tilts pelvis posteriorly | (blank)
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| Iliacus | Iliac fossa | Lesser Trochanter | Femoral | Flex, laterally rotate, and adduct the hip | (blank)
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| Sartorius | Anterior superior iliac spine (ASIS) | Proximal, medial shaft of tibia @pes anserinus tendon | Femoral | Flex, laterally rotate, and abduct the hip, flex knee and medially rotate flexed knee | (blank)
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| Tensor Fasciae Latae | Iliac crest, posterior to ASIS | Iliotibial tract | Superior gluteal | Flex, medially rotate, and abduct the hip | (blank)
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| Rectus Femoris | Anterior inferior iliac spine (AIIS) | Tibial Tuberosity | Femoral | Extend knee and Flex hip | (blank)
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| Vastus Medialis | Medial lip of linea aspera | Tibial Tuberosity | Femoral | Extend knee | (blank)
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| Vastus Lateralis | Lateral lip of linea aspera, glueal tuberosity | Tibial Tuberosity | Femoral | Extend knee | (blank)
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| Vastus Intermedius | Anterior and lareral shaft of femur | Tibial Tuberosity | Femoral | Extend knee | (blank)
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| Biceps Femoris | (long head): ischial tuberosity (short head): lateral lip of linea aspera | head of fibula | tibial and peroneal | Flex the knee, laterally rotate flexed knee, extend and laterally rotate hip, tilt pelvis posteriorly | (blank)
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| Semitendonosus | Ischial tuberosity | Proximal, medial shaft of tibia at pes anserinus tendon | tibial | Flex knee, medially rotate flexed knee, extend hip and medially rotate hip, tilt pelvis posteriorly | (blank)
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| Semimembranosus | Ischial tuberosity | Posterior aspect of medial condyle of tibia | tibial | Flex knee, medially rotate flexed knee, extend hip and medially rotate hip, tilt pelvis posteriorly | (blank)
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| Gluteus Maximus | Coccyx, edge of sacrum, posterior iliac crest, sacotuberous and sacroiliac ligaments | Gluteal tuberosity and iliotibial tract | Inferior gluteal | Extend, adduct, abduct, and laterally rotate the hip | (blank)
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| Gluteus Medius | Gluteal surfice of ilium between iliac crest and posterior/anterior gluteal line | Greater trochanter | Superior gluteal | Flex, extend, abduct, medially/laterally rotate hip | (blank)
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| Gluteus Minimus | Gluteal surface of ilium between anterior and inferior gluteal lines | Anterior border of greater tochanter | Superior gluteal | Flex, medially rotate, and abduct the hip | (blank)
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| Adductor Magnus | Inferior ramus of the pubis, ramus of iscium and ischial tuberosity | Medial lip of linea aspera and adductor tubercle | Obturator and tibial | Extend, adduct and medially rotate hip, assist in flexing hip | (blank)
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| Adductor Longus | Pubic Tubercle | Medial lip of linea aspera | Obturator | Adduct and Medially rotate hip; assist in flex of hip | (blank)
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| Adductor Brevis | Inferior ramus of pubis | Pectineal line and medial lip of linea aspera | Obturator | Adduct and Medially rotate hip; assist in flex of hip | (blank)
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| Gracillis | Inferior ramus of pubis and ranus of ischium | Proximal, medial shaft of tibia @ pes anserinus tendon | Obturator | Adduct and Medially rotate hip; Flex knee and Medially rotate flexed knee | (blank)
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| Piriformis | Anterior suface of sacrum | Greater trochanter | Branch of sacral plexus | Laterally rotate hip and Abduct hip when hip is flexed | (blank)
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| Gastrocnemus | Condyles of femur | Calcaneus via calcaneal tendon | Tibial | Flex knee and plantar flex ankle | (blank)
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| Soleus | Soleal line, posterior surface of tibia and fibula | Calcaneus via calcaneal tendon | Tibial | plantar flex ankle | (blank)
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| Peroneus Longus (fibularis) | Proximal 2/3 of lateral fibula | Base of 1st metatarsal and medial cuneiform | Superior peroneal | Evert foot and assist in plantar flex of ankle | (blank)
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| Peroneus Brevis | Distal 2/3 of lateral fibula | Tuberosity of 5th metatarsal | Superior peroneal | Evert foot and assist in plantar flex of ankle | (blank)
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| Tibialis Anterior (extensor) | Proximal lateral surface of tivia and interosseous membrane | Medial cuneiform and base of 1st metatarsal | Deep Peroneal | invert foot and dorsiflex ankle | (blank)
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| Extensor Digitorum Longus | Proximal anterior shaft of fibula and interosseous membrane | Middle and distal phalanges of 2nd-5th toes | Deep Peroneal | Extend 2nd-5th toes, evert foot and dorsiflex ankle | (blank)
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| Extensor Hallucis Longus | Middle anterior ssurface of fibula and interosseous membrane | Distal phalanges of 1st toes | Deep Peroneal | Extend 1st toe, invert foot and dorsiflex ankle | (blank)
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| Tibialis Posterior (flexor) | Proximal posterior shaft of tibia, proximal fibula and interosseous membrane | Navicular, cuneiforms cuboid, and bases of 2nd-4th metatarsals | Tibial | invert foot and plantar flex ankle | (blank)
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| Flexor Digitorum Longus | Middle posterior surface of tibia | Distal phalanges of 2nd-5ht toes | Tibial | Flex 2nd-5th toes; weak invert foot and plantar flex ankle | (blank)
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| Flexor Hallucis Longus | Middle half of posterior fibula | Distal phalanges of 1st toe | Tibial | Flex 1st toe; weak invert foot and plantar flex ankle | (blank)
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| Spinalis Cervicis | Ligamentum nuchea, spinous process of C7 | Spinous process of upper thoracic | Dorsal primary division of spinal nerves | (Unilaterally) Laterally flex vertebral column to same side (Bilaterally) Extend vertebral column | (blank)
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| Spinalis Thoracis | Spinous process of upper lumbar and lower thoracic vertebae | Spinous process of cervicals, except C1 | Dorsal primary division of spinal nerves | (Unilaterally) Laterally flex vertebral column to same side (Bilaterally) Extend vertebral column | (blank)
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| Longissimus Capitis | Transverse process of upper 5 thoracic vertebrae | Mastoid process of temporal bone | Dorsal primary division of spinal nerves | (Unilaterally) Laterally flex vertebral column to same side (Bilaterally) Extend vertebral column | (blank)
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| Longissimus Cervicis | Transverse process of upper 5 thoracic vertebrae | Transverse process of cervical vertibrae | Dorsal primary division of spinal nerves | (Unilaterally) Laterally flex vertebral column to same side (Bilaterally) Extend vertebral column | (blank)
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| Longissimus Thoracic | Common Tendon (Thoroculumbar aponeurosis) attaced to posterior surface of sacrum, iliac crest, spinous processes of lumbar and last 2 thoracic vertebrae | Lower 9 ribs and transverse processes of thoracic vertebrae | Dorsal primary division of spinal nerves | (Unilaterally) Laterally flex vertebral column to same side (Bilaterally) Extend vertebral column | (blank)
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| Iliocostalis Cervicis | Posterior surface of ribs 1-12 | Transverse process of lower cervicals. | Dorsal primary division of spinal nerves | (Unilaterally) Laterally flex vertebral column to same side (Bilaterally) Extend vertebral column | (blank)
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| Iliocostalis Thoracis | Posterior surface of ribs 1-12 | Posterior surface of ribs 1-6 | Dorsal primary division of spinal nerves | (Unilaterally) Laterally flex vertebral column to same side (Bilaterally) Extend vertebral column | (blank)
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| Iliocostalis Lumborum | Common Tendon (Thoroculumbar aponeurosis) attaced to posterior surface of sacrum, iliac crest, spinous processes of lumbar and last 2 thoracic vertebrae | Transverse process of lumbar vertebrae 1-3 and posterior suface of ribs 6-12 | Dorsal primary division of spinal nerves | (Unilaterally) Laterally flex vertebral column to same side (Bilaterally) Extend vertebral column | (blank)
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| Multifidi | Sacrum and transvers processes of lumbar through cervical vertebrae | Spinous processes of lumbar vertebrae through second cervical vertebra; (multifidi span 2 to 4 vertebrae | Dorsal primary division of spinal nerves | (Unilaterally) Rotate vertebral column to opposite side (Bilaterally) Extend vertebral column | (blank)
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| Rotatores | Transverse processes of lumbar through cervical vertebrae | Spinous processes of lumbar vertebrae through second cervical vertebra; (rotators span 1 to 2 vertebrae | Dorsal primary division of spinal nerves | (Unilaterally) Rotate vertebral column to opposite side (Bilaterally) Extend vertebral column | (blank)
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| Semispinalis Capitis | Transverse process of thoracic vertebrae, articular processes of lower cervicals | Spinous processes of upper thoracic and cervical (except C1), and superior nuchal line of occiput | Dorsal primary division of spinal nerves | Extend vertebral column and head | (blank)
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| Splenius Capitis | Ligamentum nuchae, spinous processes of C7 to T3 | Mastoid process and lateral prtion of superior nuchal line | Branches of dorsal division of cervical | (Unilaterally) Rotate head and neck to same side, laterally flex head and neck (Bilaterally) Extend head and neck | (blank)
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| Spenius Cervicis | spinous processes of T3 to T6 | Transverse process of upper cervical vertebrae | Branches of dorsal division of cervical | (Unilaterally) Rotate head and neck to same side, laterally flex head and neck (Bilaterally) Extend head and neck | (blank)
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| Quadratus Lumborum | Posterior iliac crest | Last rib and transverse processes of 1st -4th lumbar vertebrae | Branches of 1st lumbar and 12th thoracic | (Unilaterally) Laterally tilt pelvis, Laterally flex vertebral to same side and assist to extend vertebra column (Bilaterally) Fix last ribduring inhalationand forced exhalation | (blank)
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| Rectus Abdominis | Pubic crest, pubic symphysis | Cartilage of 5th, 6th, and 7th ribs and xiphoid process | Branches of intercostals | Flex vertebra column | (blank)
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| External Oblique | Lower 8 ribs | Anterior part of iliac crest, abdominal aponeurosis to linea alba | Branches of intercostals | (Unilaterally) Laterally flex vertebrae to same side, rotate vertebrae to opposite side (Bilaterally) Flex vertebrae and compress abdominal contents | (blank)
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| Internal Oblique | Lateral inguinal ligament, iliac crest and thoroculmbar fascia | Internal surface of lower 3 ribs, abdominal aponeurosis to linea alba | Branches of intercostals | (Unilaterally) Laterally flex vertebrae to same side, rotate vertebrae to opposite side (Bilaterally) Flex vertebrae and compress abdominal contents | (blank)
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| Transverse Abdominis | Lateral inguinal ligament, iliac crest, thoroculmbar fascia and internal surface of bs | abdominal aponeurosis to linea alba | Branches of intercostals | Compress abdominal contents | (blank)
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| Sternocleidomastoid (SCM) | Sternal head- Top of manubrium Clavicular head- Medial 1/3 of clavicle | Mastoid process of temporal bone and lateral portion of superior nuchal line of occiput | Spinal Accessory | (Unilaterally) Laterally flex head and neck to same side and rotate head/ned to opposite side (Bilaterally) Flex neck and assist in inhalation | (blank)
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| Scalenes (Anterior) | Transverse processes of 3rd-6th cervical vertebrae | first rib | Cervical and Brachial plexus | (Unilaterally) with ribs flexed, laterally flex head/neck to same side and rotate head/neck to opposite side (Bilaterally) Elevate ribs during inhalation and flex head/neck | (blank)
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| Scalenes (Middle) | Transverse processes of 2nd-7th cervical vertebrae | first rib | Cervical and Brachial plexus | (Unilaterally) with ribs flexed, laterally flex head/neck to same side and rotate head/neck to opposite side (Bilaterally) Elevate ribs during inhalation and flex head/neck | (blank)
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| Scalenes (Posterior) | Transverse processes of 5th-6th cervical vertebrae | ond rib | Cervical and Brachial plexus | (Unilaterally) with ribs flexed, laterally flex head/neck to same side and rotate head/neck to opposite side (Bilaterally) Elevate ribs during inhalation and flex head/neck | (blank)
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| Masseter | Zygomatic arch | Angle and ramus of mandible | Mandibular nerve | Elevate mandible | (blank)
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| Temporalis | Temporal fossa | corinoid process of mandible | Deep temporal branck of mandible nerve | Elevate mandible | (blank)
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