LAB 10 ANTERIOR MUSCLES

Flashcards covering key anterior muscles relevant to LAB 10, based on the provided notes.

Frontalis

Muscle located in the forehead area, responsible for raising the eyebrows. #24

Temporalis

Muscle involved in chewing, located on the side of the head. #28

Orbicularis oculi

Muscle that encircles the eye, allowing for blinking and squinting. #29

Orbicularis oris

Muscle encircling the mouth, used for closing and puckering lips. #35

Zygomaticus major

Muscle that raises the corners of the mouth, involved in smiling. #36

Buccinator

Muscle located in the cheek, helps in chewing by holding food between the teeth. #37

Masseter

Large muscle located at the back of the jaw, essential for chewing. #43

Sternocleidomastoid

Muscle that rotates the head and flexes the neck. #43

Digastric

Muscle consisting of two muscle bellies located under the jaw, assists in lowering the mandible. #44

Mylohyoid

Muscle forming the floor of the mouth, involved in swallowing. #46

Sternohyoid

Muscle that depresses the hyoid bone and larynx. #47

Thyrohyoid

Muscle that elevates the larynx and depresses the hyoid. #48

Omohyoid

Muscle that has two bellies; it helps in depressing the hyoid bone. #49

Iliacus

Muscle in the pelvis that flexes the hip. #1

Psoas major

Muscle that flexes the hip and laterally rotates the thigh. #2

Iliopsoas

Combined muscle made up of the iliacus and psoas major. 1+2

Tensor fasciae latae

Muscle that helps stabilize the hip and knee. #3

Iliotibial tract

A band of connective tissue along the lateral aspect of the thigh. #4, (not a muscle)

Sartorius

#13

Rectus femoris

Part of the quadriceps, extends the knee and flexes the hip. #14

Vastus medialis

Muscle of the quadriceps that extends the knee. #15

Vastus intermedius

Deep muscle of the quadriceps that extends the knee. #16

Vastus lateralis

Outer muscle of the quadriceps, involved in extending the knee. #17

Pectineus

Muscle in the upper thigh that assists in hip flexion. #18

Adductor longus

Muscle that adducts the thigh. #19

Gracilis

Thin muscle in the inner thigh, aids in adduction. #20

Adductor brevis

#21 (can only be seen when adductor longus is raised up)

Adductor magnus

#22

Tibialis anterior

Muscle located in the front of the leg, responsible for dorsiflexion of the foot. #29

Extensor digitorum longus

Muscle that extends the toes and dorsiflexes the ankle. #30

Fibularis longus

Muscle that everts and plantar flexes the foot. #32

Fibularis brevis

Muscle that aids in eversion of the foot. #33

Tibialis anterior

#29

Extensor digitorum longus

#30

Extensor hallucis longus

Muscle is deep to extensor digitorum longus which is raised up to show- #31

Extensor retinaculum

#78

Deltoid

#14

Biceps brachii

#16

Biceps brachii (raised up)

#16

Coracobrachialis

#17

Brachialis

Muscle is deep to biceps brachii which is being raised up to make visible

Brachioradialis

Muscle of the forearm that helps flex the elbow. #27

Pronator teres

Muscle that pronates the forearm. #28

Palmaris longus

Muscle that aids in flexing the wrist. #30 (centered on the forearm)

Flexor carpi radialis

Muscle that flexes and abducts the wrist. #29

Flexor digitorum superficialis

#32

Palmaris longus

#30

Hypothenar muscles: Two muscles

Muscles that control movements of the little finger.

Thenar muscles: Two muscles

Muscles that control movements of the thumb.