Ch 10 Review updated (1)

Temporalis

Synergist muscle that helps with chewing.

Masseter

Prime mover muscle for chewing.

Frontal belly (Frontalis)

Muscle associated with raising the eyebrows.

Occipital belly (Occipitalis)

Muscle that pulls the scalp back.

Orbicularis oculi

Muscle responsible for closing the eyelids.

Orbicularis oris

Muscle responsible for closing and puckering the lips.

Zygomaticus major & minor

Muscles that elevate the corners of the mouth, involved in smiling.

Corrugator supercilii

Muscle that draws eyebrows together, causing frowning.

Levator labii superioris

Muscle that elevates the upper lip.

Buccinator

Muscle that compresses the cheeks, important in chewing.

Risorius

Muscle that pulls the corners of the mouth laterally.

Mentalis

Muscle that protrudes the lower lip.

Depressor labii inferioris

Muscle that depresses the lower lip.

Platysma

Muscle that tenses the skin of the neck and pulls the corners of the mouth down.

Sternocleidomastoid

Muscle that flexes and rotates the head.

Trapezius

Muscle that elevates, retracts, and rotates the scapula.

Sternohyoid

Muscle that depresses the hyoid bone.

Deltoid

Muscle responsible for arm abduction.

Triceps brachii

Muscle that extends the forearm.

Biceps brachii

Muscle that flexes the forearm.

Brachialis

Muscle that assists in flexing the elbow.

Pronator teres

Muscle that pronates the forearm.

Brachioradialis

Muscle that helps in flexing the forearm.

Flexor carpi radialis

Muscle that flexes and abducts the wrist.

Palmaris longus

Muscle that flexes the wrist.

Extensor carpi radialis longus

Muscle that extends and abducts the wrist.

Flexor carpi ulnaris

Muscle that flexes and adducts the wrist.

Extensor carpi ulnaris

Muscle that extends and adducts the wrist.

Extensor digitorum

Muscle that extends the fingers.

Pectoralis major

Muscle responsible for flexing, adducting, and medially rotating the arm.

Pectoralis minor

Muscle that stabilizes the scapula.

Serratus anterior

Muscle that protracts and stabilizes the scapula.

Internal intercostals

Muscles involved in forced expiration.

External intercostals

Muscles involved in inhalation.

Diaphragm

Muscle that contracts to allow inhalation.

Rectus abdominis

Muscle that flexes the vertebral column.

External oblique

Muscle that aids in trunk rotation and lateral flexion.

Internal oblique

Muscle that aids in trunk rotation and lateral flexion.

Transversus abdominis

Muscle that compresses the abdomen.

Infraspinatus

Muscle that laterally rotates the arm.

Teres major

Muscle that assists in adducting and medially rotating the arm.

Teres minor

Muscle that laterally rotates the arm.

Rhomboid major & minor

Muscles that retract the scapula.

Latissimus dorsi

Muscle responsible for extending, adducting, and medially rotating the arm.

Iliopsoas

Muscle critical for hip flexion.

Pectineus

Muscle that flexes and adducts the thigh.

Rectus femoris

Muscle that extends the knee and flexes the thigh.

Vastus lateralis

Muscle involved in knee extension.

Vastus medialis

Muscle involved in knee extension.

Vastus intermedius

Muscle involved in knee extension.

Tensor fascia lata

Muscle that helps with hip flexion and abduction.

Sartorius

Muscle that flexes, abducts, and externally rotates the thigh.

Adductor longus

Muscle that adducts and flexes the thigh.

Gracilis

Muscle that adducts the thigh and flexes the knee.

Gluteus maximus

Muscle that extends and laterally rotates the thigh.

Gluteus medius

Muscle that abducts and medially rotates the thigh.

Adductor magnus

Muscle that adducts the thigh.

Biceps femoris

Muscle that extends the thigh and flexes the knee.

Semitendinosus

Muscle that extends the thigh and flexes the knee.

Semimembranosus

Muscle that extends the thigh and flexes the knee.

Fibularis longus

Muscle that plantarflexes and everts the foot.

Extensor digitorum longus

Muscle that extends the toes and dorsiflexes the foot.

Tibialis anterior

Muscle that dorsiflexes and inverts the foot.

Gastrocnemius

Muscle that plantarflexes the foot and flexes the knee.

Soleus

Muscle that plantarflexes the foot.

Coracobrachialis

Muscle that flexes and adducts the arm.

Supraspinatus

Muscle that abducts the arm.