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Muscles to Know - Anatomy & Physiology

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Termini in questo insieme (30)

  • Frontalis muscle
    Muscle of the head that raises the eyebrows and wrinkles the forehead.
  • Occipitalis muscle
    Muscle at the back of the head that pulls the scalp posteriorly.
  • Orbicularis oculi
    Muscle that encircles the eye and allows blinking and closing of the eyelids.
  • Orbicularis oris
    Muscle around the mouth that controls movements of the lips.
  • Zygomaticus major
    Muscle that elevates the corners of the mouth, as in smiling.
  • Masseter muscle
    Primary muscle of mastication that elevates the mandible to close the jaw.
  • Temporalis muscle
    Muscle that elevates and retracts the mandible during chewing.
  • Sternocleidomastoid
    Muscle that flexes and laterally rotates the head.
  • Pectoralis major
    Large chest muscle that adducts and medially rotates the arm.
  • Serratus anterior
    Muscle that protracts and stabilizes the scapula.
  • Deltoid muscle
    Muscle that abducts the arm at the shoulder.
  • External intercostals
    Deep muscles that elevate ribs during inspiration.
  • Internal intercostals
    Deep muscles that depress ribs during forced expiration.
  • Diaphragm
    Primary muscle of respiration that contracts to increase thoracic volume.
  • Rectus abdominis
    Muscle that flexes the vertebral column and compresses abdominal contents.
  • External oblique
    Muscle that rotates and laterally flexes the trunk.
  • Trapezius
    Muscle that moves the scapula and supports the arm.
  • Latissimus dorsi
    Muscle that extends, adducts, and medially rotates the arm.
  • Biceps brachii
    Muscle that flexes the elbow and supinates the forearm.
  • Triceps brachii
    Muscle that extends the elbow.
  • Iliopsoas group
    Deep muscles (Psoas major and Iliacus) that flex the hip.
  • Gluteus maximus
    Large muscle that extends and laterally rotates the hip.
  • Gluteus medius
    Muscle that abducts and medially rotates the thigh.
  • Adductor group
    Muscles (Pectineus, Gracilis, Adductor brevis, longus, magnus) that adduct the thigh.
  • Sartorius
    Longest muscle that flexes, abducts, and laterally rotates the thigh.
  • Quadriceps femoris group
    Muscles (Rectus femoris, Vastus lateralis, medialis, intermedius) that extend the knee.
  • Hamstring group
    Muscles (Biceps femoris, Semitendinosus, Semimembranosus) that flex the knee and extend the hip.
  • Gastrocnemius
    Calf muscle that plantarflexes the foot and flexes the knee.
  • Fibularis (Peroneus) longus
    Muscle that everts and plantarflexes the foot.
  • Tibialis anterior
    Muscle that dorsiflexes and inverts the foot.