skeletal muscle (voluntary muscle)
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Introduction
A collection of striated muscle fibers connected at either or both extremities within a bony framework of the body.
Histology
- histologically, the muscle consists of elongated, multinucleated, transversely striated muscle fibers together with connective tissues, blood vessels & nerves
- individual muscle fibers are surrounded by fine reticular & collagen fibers (endomysium).
- bundles or fascicles of muscle fibers are surrounded by irregular connective tissue (perimysium)
- the entire muscle is surrounded, except at the tendon junction, by a dense connective tissue (epimysium).
Pathology
Physiology
- muscle fibers regenerate by recruitment of muscle stem cells satellite cells
More general terms
More specific terms
- (compressor/constrictor) urethrae muscle
- abductor digiti minimi manus
- abductor digiti minimi pedis
- abductor hallucis longus
- abductor pollicis brevis
- abductor pollicis longus
- adductor brevis
- adductor hallucis
- adductor longus
- adductor magnus
- adductor muscle
- adductor pollicis
- anconeus
- anterior cervical intertransverse muscle
- articularis genus
- aryepiglottic part of oblique arytenoid muscle
- auricular muscle
- auricularis anterior
- auricularis posterior
- auricularis superior
- axial muscle
- biceps brachii
- biceps femoris
- brachialis
- brachioradialis
- buccinator
- bulbospongiosus; bulbocavernosis muscle
- ceratocricoid muscle (keratocricoid)
- ceratoglossus muscle
- chondroglossus muscle
- constrictor pharyngis medius
- constrictor pharyngis superior (cephalopharyngeus)
- coracobrachialis
- corrugator supercilii (Coiter muscle)
- cremaster muscle (Riolan muscle)
- cricothyroid muscle
- deep transverse perineal muscle
- deltoid
- depressor anguli oris (musculus triangularis labii inferioris)
- depressor labii inferioris (musculus quadratus menti)
- depressor septi nasi
- depressor supercilii
- diaphragm muscle
- digastric muscle
- dorsal interosseous manus
- dorsal interosseous pedis
- epicranius muscle (epicranial/scalp muscle)
- erector spinae (musculus sacrospinalis)
- extensor carpi radialis
- extensor carpi ulnaris
- extensor digiti minimi (extensor digiti quinti proprius)
- extensor digitorum
- extensor digitorum brevis
- extensor digitorum brevis of hand
- extensor digitorum longus
- extensor hallucis brevis
- extensor hallucis longus
- extensor indicis
- extensor muscles of wrist
- extensor pollicis brevis
- extensor pollicis longus
- external anal sphincter
- external oblique muscle
- external urethral sphincter
- extraocular muscle (EOM)
- flexor carpi radialis
- flexor carpi ulnaris
- flexor digiti minimi brevis manus
- flexor digiti minimi brevis pedis
- flexor digitorum brevis
- flexor digitorum longus
- flexor digitorum profundus
- flexor digitorum superficialis
- flexor hallucis brevis
- flexor hallucis longus
- flexor pollicis brevis
- flexor pollicis longus
- flexor pronator muscles
- gastrocnemius
- genioglossus muscle
- geniohyoid muscle
- gluteus maximus
- gluteus medius
- gluteus minimus
- gracilis
- hyoglossus muscle
- iliacus muscle
- iliopsoas muscle
- inferior gamellus
- inferior gemellus
- inferior lingual muscle
- inferior oblique (IO)
- inferior tarsal muscle
- infraspinatous
- infraspinatus
- intercostal muscle
- internal oblique muscle
- interspinal muscle
- ischiocavernosus (erector penis/clitoris)
- ischiococcygeus (coccygeus)
- laryngopharygeus (upper esophageal sphincter, cricopharyngeus)
- lateral cricoarytenoid muscle
- lateral pterygoid muscle
- latissimus dorsi
- levator anguli oris (musculis caninus)
- levator ani (ilio- & pubococcygeus {puborectalis})
- levator costae brevis
- levator costae longus
- levator labii superioris
- levator labii superioris alaeque nasi
- levator scapulae
- levator veli palatini
- levatores costarum muscles (elevator muscle of rib)
- lingual muscle (muscles of tongue, intrinsic/extrinsic tongue muscle)
- longus capitis (musculus rectus capitis anticus major)
- longus colli
- lumbricalis manus
- lumbricalis pedis
- masseter
- medial lumbar intertransversarii
- medial pterygoid (internal pterygoid)
- mentalis muscle (levator labii inferioris)
- multifidus muscle
- mylohyoid (diaphragma oris)
- nasalis muscle (musculus compressor naris, musculus dilator naris)
- oblique arytenoid muscle
- obliquus capitis inferior
- obliquus capitis superior
- obturator externus
- obturator internus
- occipitofrontalis (occipitalis, frontalis)
- omohyoid muscle
- opponens digiti minimi (opponens digiti quinti)
- opponens pollicis
- orbicularis oculi
- orbicularis oris
- palatine muscle (muscles of soft palate)
- palatoglossus muscle (glossopalatinus)
- palatopharyngeus muscle (pharyngopalatinus, pharyngostaphylinus)
- palmar interosseous (interosseous volaris)
- palmar longus (long palmar muscle)
- palmaris brevis (short palmar muscle)
- pectineus muscle
- pectoralis major
- pectoralis minor
- peroneus brevis (fibularis brevis)
- peroneus longus (fibularis longus)
- peroneus tertius (fibularis tertius)
- piriformis
- plantar interosseous
- plantaris (tibialis gracilis)
- platysma (subcutaneous colli, tetragonus)
- popliteus
- posterior cervical intertransversarii
- posterior cricoarytenoid
- procerus muscle (pyramidalis nasi)
- pronator quadratus
- pronator teres
- proximal muscle
- psoas major
- psoas minor
- pubovaginalis
- pyramidalis
- quadratus femoris
- quadratus lumborum muscle
- quadratus plantae
- quadriceps femoris
- rectus abdominis muscle
- rectus capitis anterior (rectus capitis anticus minor)
- rectus capitis lateralis
- rectus capitis posterior major (rectus capitis posticus major)
- rectus capitis posterior minor (rectus capitis posticus minor)
- rectus femoris
- rhomboid
- rhomboid major (greater rhomboid)
- rhomboid minor (lesser rhomboid)
- risorius muscle
- rotatores cervicis
- rotatores lumborum
- rotatores thoracis
- salpingopharyngeus
- sartorius (Taylor's muscle)
- scalenus anterior (anticus)
- scalenus medius
- scalenus minimus (Albinus' muscle, Sibson's muscle)
- scalenus posterior (posticus)
- semimembranosus
- semispinalis capitis
- semispinalis cervicis/colli; semispinal muscle of neck
- semispinalis thoracis (dorsi), (semispinal muscle of thorax)
- semitendinosus muscle
- serratus anterior (costoscapularis, serratus magnus)
- serratus posterior inferior
- serratus posterior superior
- soleus
- splenius capitis
- splenius cervicis
- stapedius muscle
- sternalis muscle
- sternochondroscapular muscle
- sternoclavicular muscle
- sternocleidomastoid
- sternohyoid
- sternothyroid
- styloauricular muscle
- styloglossus
- stylohyoid muscle
- stylopharyngeus
- subclavius muscle
- subcostal muscle
- subscapularis muscle
- superficial back muscle
- superficial lingual muscle (superior longitudinal muscle of tongue)
- superficial perineal muscles
- superficial transverse perineal muscle (Theile muscle)
- superior gemellus
- supinator radii brevis
- supraclavicular muscle
- supraspinatus
- temporalis
- temporoparietalis
- tensor fascia latae
- tensor veli palatini
- teres major
- teres minor
- thoracic intertransversarii
- thyroarytenoid
- thyroepiglottic muscle
- thyrohyoid
- tibialis anterior (anticus)
- tibialis posterior (posticus)
- tracheoclavicular muscle (posticus)
- transverse arytenoid muscle
- transversus abdominis muscle (transversus aponeurosis)
- transversus linguae (transverse muscle of tongue)
- transversus thoracis (triangularis sterni, sternocostalis)
- trapezius (cowl muscle)
- triceps
- triceps coxae
- tunica muscularis; circular/longitudinal muscle of esophagus
- uvulae muscle (palatouvularis muscle)
- vastus intermedius (crureus)
- vastus lateralis (vastus externus)
- vastus medialis (vastus internus)
- vastus muscles
- verticalis linguae (vertical muscle of tongue/vertical lingual muscle)
- vocalis muscle
- zygomaticus major
- zygomaticus minor (caput zygomaticum labii superioris)
Additional terms
- age-associated changes in skeletal muscle
- muscular disease; myopathy
- myotome
- skeletal muscle contraction
- skeletal muscle fiber
Components
References
- ↑ Stedman's Medical Dictionary 26th ed, Williams & Wilkins, Baltimore, 1995
- ↑ Bones, Joints and Muscles http://health.nih.gov/search.asp/2