Download MUSCULAR SYSTEM

MUSCULAR SYSTEM
You are expected to be able to identify these muscles on the models. Cadavers may be
used in your lab to assist your learning – however, cadavers will NOT be on the practical
exam.
HEAD & NECK
Move the head:
Sternocleidomastoid
Facial expression:
Frontalis (frontal belly of epicranius)
Occipitalis (occipital belly of epicranius)
Orbicularis oculi
Orbicularis oris
Mentalis (models)
Levator labii superioris (models)
Depressor labii inferioris (models)
Buccinator
Risorius
Depressor anguli oris
Zygomaticus major and minor
Muscles that move the tongue:
Genioglossus (tongue model)
Styloglossus
Hyoglossus (picture in text)
Mastication:
Masseter
Temporalis (deep to temperoparietalis)
Suprahyoid muscles (elevate hyoid)
Digastric – anterior and posterior bellies
Mylohyoid
Geniohyoid (tongue model
Stylohyoid
Infrahyoid muscles (depress hyoid)
Sternohyoid
Sternothyroid
Omohyoid – superior and inferior bellies
Thyrohyoid
Posteior compartment of neck:
Levator scapulae
Scalenes – anterior, medial and posterior
Splenius capitis
Miscellaneous head/neck muscles:
Temperoparietalis (also known as superior auricular)
TORSO & ABDOMEN
Pectoralis major and minor
Serratus anterior
External & Internal oblique
Transversus & Rectus abdominus
Linea alba and tendinous inscriptions of the abdomen
Aponeurosis of the external oblique and the inguinal ligament
Aponeurosis of the transverses abdominus
Intercostals – external and internal
Diaphragm
BACK
Latissimus dorsi
Rhomboideus major and minor (deep to trapezius)
Trapezius – three regions
Teres major
Rotator cuff muscles:
Teres minor
Subscapularis
Supraspinatus & infraspinatus
UPPER EXTREMITY - ARM
Deltoid
Flexors of forearm:
Biceps brachii – both heads
Brachialis
Brachioradialis
Coracobrachialis
Extensors of Forearm:
Triceps brachii – all three heads
Anconeus (cubitalis riolani)
Flexors of the hand/fingers – NOT THE INDIVIDUAL MUSCLES!!!
Extensors of the hand/fingers – NOT THE INDIVIDUAL MUSCLES!!!
Flexor retinaculum (roof of the carpal tunnel)
Extensor retinaculum
PELVIS
Iliooccygeus, pubococcygeus - Levator ani
Coccygeus
Quadratus lumborum
LOWER EXTREMITY
Extensors of Hip:
Gluteus maximus
3 hamstrings
Adductor magnus
Flexors of Hip:
Iliacus + Psoas major = Iliopsoas
Sartorius
Tensor fascia latae – with its iliotibial tract
Rectus femoris
4 adductors of the hip
Abductors of Hip:
Gluteus medius & gluteus minimus (under gluteus medius)
Tensor fascia latae – with its iliotibial tract
Piriformis
Superior and inferior gemellar muscles
Obturator internus
Quadratus femoris
Adductors of Hip:
Adductor longus
Adductor magnus
Adductor brevis (don’t need to find)
Pectineus (under the femoral artery and nerve)
Gracilis
Extensors of Knee:
Quadriceps femoris - also known as rectus femoris, vastus lateralis, vastus medialis &
vastus intermedius
Flexors of Knee:
Gracilis
Sartorius
Hamstrings: Biceps femoris (long & short heads), Semitendinosus & Semimembranosus
Gastrocnemius (lateral and medial bellies)
Popliteus
Anterior compartment of leg:
Tibialis anterior
Extensor digitorum longus
Posterior compartment of leg:
Gastrocnemius
Soleus
Tibialis posterior (under soleus)
Flexor digitorum longus
Flexor hallicis longus
Achilles tendon (calcaneal tendon)
Lateral aspect of leg:
Fibularis (peroneus) longus & brevis