Kinesiology - Muscle action
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14838438 | Trapezius (upper) | scapular elevation, upward rotation | |
14838439 | Trapezius (middle) | scapular retraction | |
14838440 | Trapezius (lower) | scapular depression, upward rotation | |
14838441 | Serratus Anterior | scapular protraction, upward rotation, prevents winging | |
14838442 | Rhomboid major & minor | scapular down ward rotation, scapular retraction, scapular elevation | |
14838443 | Levator Scapulae | scapular elevation, down ward rotation | |
14838444 | Pectoralis minor | scapular depression, scapular tipping | |
14838445 | Supraspinatus | glenohumeral abduction, glenohumeral stabilization | |
14838446 | Infraspinatus | glenohumeral ER, glenohumeral stabilization | |
14838447 | Teres minor | glenohumeral ER, glenohumeral stabilization | |
14838448 | Subscapularis | glenohumeral IR, glenohumeral add, glenohumeral stabilization | |
14838449 | Deltoid (anterior) | glenohumeral flex, glenohumeral IR | |
14838450 | Deltoid (middle) | glenohumeral abd | |
14838451 | Deltoid (posterior) | glenohumeral ext, glenohumeral ER, glenohumeral HADD | |
14838452 | Coracobrachialis | glenohumeral flex, glenohumeral add | |
14838453 | Pectoralis major | glenohumeral add, glenohumeral HADD, IR, 1st 60 degrees flex, 1st 60 degrees ext | |
14838454 | Latissimus Dorsi | glenohumeral ext, glenohumeral add, glenohumeral IR, shoulder girdle depression | |
14838455 | Teres major | glenohumeral ext, glenohumeral add, glenohumeral IR | |
14840901 | Biceps Brachii | elbow flex, forearm sup, shoulder flex, glenohumeral stabilization | |
14840902 | Brachialis | elbow flex | |
14840903 | Brachioradialis | elbow flex | |
14840904 | Triceps Brachii | elbow flex, glenohumeral ext | |
14840905 | Anconeus | stabilization of humeralulnar joint, elbow ext assist | |
14840906 | Supinator | sup | |
14840907 | Pronator Teres | forearm pronation | |
14840908 | Pronator Quadratus | forearm pronation | |
14840909 | Flexor Carpi Radialis | wrist flex, radial deviation | |
14840910 | Flexor Carpi Ulnaris | wrist flex, ulnar deviation | |
14840911 | Palmaris Longus | wrist flex | |
14840912 | Flexor Digitorum Superficialis | wrist flex, MCP joint flex of digits 2-5, PIP joint flex of digits 2-5 | |
14840913 | Flexor Digitorum Profundus | wrist flex, MCP joint flex of digits 2-5, PIP joint flex of digits 2-5, DIP joint flex of digits 2-5 | |
14840914 | Extensor Carpi Radialis Longus | wrist ext, radial deviation | |
14840915 | Extensor Carpi Radialis Brevis | wrist ext, radial deviation | |
14840916 | Extensor Carpi Ulnaris | wrist ext, ulnar deviation | |
14840917 | Extensor Digitorum Communis | ext of digits 2-5, wrist ext | |
14840918 | Flexor Pollicis Longus | thumb flex, CMC flex, MCP flex, IP flex | |
14840919 | Abductor Pollicis Longus | thumb CMC joint abd | |
14840920 | Extensor Pollicis Longus | ext thumb CMC, ext thumb IP, ext thumb MCP | |
14840921 | Extensor Pollicis Brevis | thumb ext, CMC ext, MCP ext | |
14840922 | Adductor Pollicis | thumb add at CMC | |
14840923 | Abductor Pollicis Brevis | thumb abd at CMC | |
14840924 | Flexor Pollicis Brevis | thumb flex at CMC, thumb flex at MCP | |
14840925 | Opponens Pollicis | thumb opposition at CMC | |
14840926 | Abductor Digiti Minimi | 5th digit abd at MCP | |
14840927 | Flexor Digiti Minimi | 5th digit flex at MCP | |
14840928 | Opponens Digiti Minimi | 5th digit opposition at CMC | |
14840929 | Lumbricals | flex at MCP, ext at PIP & DIP | |
14840930 | Dorsal Interossei | abd of digits 2,3,5 | |
14840931 | Palmar Interossei | add of digits 2, 4, 5 | |
14842147 | Coccygeus | pulls coccyx foreward (counternutation), supports floor of abdominal cavity | |
14842148 | Levator Ani | supports weight of abdominal contents | |
14842149 | External Anal Sphincter | voluntary control of defecation | |
14842150 | Sphincter Urethrae | voluntary control of urination | |
14842151 | Iliopsoas | hip flex, vertebral column flex | |
14842152 | Tensor Fascia Latae (TFL) | hip abd, hip IR, hip flex | |
14842153 | Sartorius | hip flex, knee flex, hip ER, hip abd | |
14842154 | Pectinius | hip flex, hip add | |
14842155 | Adductor Longus | hip add | |
14842156 | Adductor Brevis | hip add | |
14842157 | Adductor Magnus | hip add | |
14842158 | Gracilis | hip add, knee flex | |
14842159 | Gluteus Maximus | hip ext, hip add, hip ER | |
14842160 | Gluteus Medius | hip abd | |
14842161 | Gluteus Minimus | hip abd, hip IR | |
14842162 | Piriformis (if hip extended) | ER, joint stabilization | |
14842163 | Piriformis (if hip flexed) | abd, joint stabilization | |
14842164 | Obturator Externus | ER, joint stabilization | |
14842165 | Obturator Internus (if hip extended) | ER, joint stabilization | |
14842166 | Obturator Internus (if hip flexed) | abd, joint stabilization | |
14842167 | Superior Gemelli & Inferior Gemelli (if hip extended) | ER, joint stabilization | |
14842168 | Superior Gemelli & Inferior Gemelli (if hip flexed) | abd, joint stabilization | |
14842169 | Quadratus Femoris | ER, joint stabilization | |
14843743 | Quadriceps | knee ext, hip flex (rectus femoris) | |
14843744 | Hamstrings | knee flex, hip ext (all but short head) | |
14843745 | Popliteus | unlocks knee | |
14843746 | Tibialis Anterior | dorsi flex, inv | |
14843747 | Extensor Hallucis Longus | dorsi flex, great toe ext | |
14843748 | Extensor Digitorum Longus | dorsi flex, ext of digits 2-5 | |
14843749 | Peroneus (Fibularis) Tertius | dorsi flex, ever | |
14843750 | Peroneus (Fibularis) Longus | plantar flex, ever | |
14843751 | Peroneus (Fibularis) Brevis | plantar flex, ever | |
14843752 | Gastrocnemius | plantar flex, knee flex | |
14843753 | Soleus | plantar flex | |
14843754 | Plantaris | assist with plantar flex | |
14843755 | Tibialis Posterior | plantar flex, inv, supports medial arch | |
14843756 | Flexor Hallucis Longus | plantar flex, great toe flex, supports medial arch | |
14843757 | Flexor Digitorum Longus | plantar flex, flex of digits 2-5, supports medial arch | |
14843758 | Extensor Digitorum Brevis | ext of digits 2,3,4 | |
14843759 | Extensor Hallucis Brevis | ext of great toe MTP joint | |
14843760 | Abductor Hallucis | abd great toe | |
14843761 | Flexor Digitorum Brevis | flex digits 2-5 | |
14843762 | Abductor Digiti Minimi | abd 5th digit | |
14843763 | Quadratus Plantae | helps with flex of digits 2-5 | |
14843764 | Lumbricals | MTP flex of digits 2-5 | |
14843765 | Flexor Hallucis Brevis | 1st digit MTP flex | |
14843766 | Adductor Hallucis | add of great toe | |
14843767 | Flexor Digiti Minimi | 5th digit MTP flex | |
14843768 | Dorsal Interossei | abd of digits 2-5 | |
14843769 | Plantar Interossei | add of digits 3-5 | |
14845051 | Scalenes | cervical flex, cervical side bend, raises first 2 ribs | |
14845052 | Sternocleidomastoid | cervical flex, cervical side bend to the same side, cervical rotation to the opposite side | |
14845053 | Rectus Capitis Anterior | flex of atlanto-occipital joint | |
14845054 | Rectus Capitis Lateralis | side bend of atlanto-occipital joint | |
14845055 | Longus Capitis | cervical flex | |
14845056 | Longus Colli | cervical flex | |
14845057 | Suboccipital muscles | head ext, head side bend, head rotation | |
14845058 | Splenius Capitis | cervical ext, cervical side bend, cervical rotation | |
14845059 | Splenius Cervicis | cervical ext, cervical side bend, cervical rotation | |
14845060 | Diaphragm | contracts during inspiration | |
14845061 | External Intercostals | raise the ribs during inspiration | |
14845062 | Serratus Anterior | elevate rib cage during deep or forced inspiration | |
14845063 | Pectoralis Minor | elevate rib cage during deep or forced inspiration | |
14845064 | Pectoralis Major | elevate rib cage during deep or forced inspiration | |
14845065 | Upper Trapezius | elevate rib cage during deep or forced inspiration | |
14845066 | Levator Scapulae | elevate rib cage during deep or forced inspiration | |
14845067 | Rhomboids | elevate rib cage during deep or forced inspiration | |
14845068 | SCM | elevate rib cage during deep or forced inspiration | |
14845069 | Scalenes | elevate rib cage during deep or forced inspiration | |
14845070 | Serratus Posterior Superior | elevate rib cage during deep or forced inspiration | |
14845071 | Levator Costarum | elevate rib cage during deep or forced inspiration | |
14845072 | Internal Intercostals | depress the ribs during expiration | |
14845073 | Rectus Abdominis | accessory muscle of expiration | |
14845074 | External Obliques | accessory muscle of expiration | |
14845075 | Internal Obliques | accessory muscle of expiration | |
14845076 | Transverse Obliques | accessory muscle of expiration | |
14845077 | Serratus Posterior Inferior | accessory muscle of expiration | |
14845078 | Quadratus Lumborum | accessory muscle of expiration | |
14845079 | Latissimus Dorsi | accessory muscle of expiration | |
14845080 | Latissimus Dorsi | elevate rib cage during deep or forced inspiration | |
14847329 | Iliocostalis (lateral column) | bilateral ext of back, unilateral side bend of back | |
14847330 | Longissimus (Intermediate column) | bilateral ext of back, unilateral side bend of back | |
14847331 | Spinalis (medial column) | bilateral ext of back, unilateral side bend of back | |
14847332 | Semispinalis | bilateral ext of back, unilateral rotation to the opposite side | |
14847333 | Multifidus | segmental stabilization (core stabilization) | |
14847334 | Rotatores | rotation to the opposite side | |
14847335 | Interspinalis | ext of back | |
14847336 | Intertransversarii | ext, side bend of back | |
14847337 | Quadratus Lumborum | ext of lumbar spine, side bend of lumbar spine, hip hiking in open chain | |
14847338 | Rectus Abdominis | trunk flex | |
14847339 | External Oblique | trunk flex, rotation to the opposit side, compresses and supports abdominal cavity | |
14847340 | Interanl Oblique | trunk flex, rotation to the same side, compresses and supports abdominal cavity | |
14847341 | Transverse Abdominis | lumbar stabilization, compresses and supports abdominal cavity | |
14847511 | Temporalis | elevation of mandible, retraction of mandible | |
14847512 | Masseter | elevation of mandible, protraction of mandible | |
14847513 | Medial Pterygoid | elevation, protraction, contralaeral deviation | |
14847514 | Lateral Pterygoid | depression, protraction, ipsilateral deviation | |
14847515 | Suprahyoid muscles | assist with opening the mouth | |
14847516 | Infrahyoid muscles | stabilize the hyoid during mouth opening |