Muscle Region

Scalp:

• Frontalis: Wrinkles the forehead & raises eyebrows.
  Mnemonic: "Front of the head—wrinkles the forehead."

• Occipitalis: Pulls on the galea aponeurosis when it contracts.
  Mnemonic: "Occipital pulls—galea is what gets pulled."

Orbital Region (Around the eyes):

• Orbicularis oculi: Blinking.
  Mnemonic: "Eyes close to wink!"

Oral Region (Around the mouth):

• Orbicularis oris: Purse lips.
  Mnemonic: "O for oral—purse lips like a kiss."

• Levator labii superioris: Lifts the lip.
  Mnemonic: "Lift the lip—Levator for lift."

• Risorius: Pulls lip straight (smiling).
  Mnemonic: "Risorius—straight smile."

• Zygomaticus major: Smiling.
  Mnemonic: "Zygomaticus = big smile."

• Depressor Anguli Oris: Frown.
  Mnemonic: "Depress the angle of the mouth = frown."

• Depressor labii inferioris: Pulls lip down.
  Mnemonic: "Depress the lip = downward."

Mental Region (Chin area):

• Mentalis: Wrinkles chin.
  Mnemonic: "Mental wrinkle = chin wrinkle."

• Buccinator: Helps with chewing.
  Mnemonic: "Buccinator = cheek muscle, helps chew."

• Platysma: Pulls mouth down to open wide.
  Mnemonic: "Platysma = pull down."

Flexors of the Neck:

• Sternocleidomastoid: Lateral flexion of neck.
  Mnemonic: "Stern-cleido = side to side flex."

• Splenius Capitis: Supports head.
  Mnemonic: "Splenius = support the head."

• Trapezius: Part of neck support.
  Mnemonic: "Trap muscles = neck and upper back."

• Semispinalis Capitis: Helps keep head upright.
  Mnemonic: "Semi = semi-right head."

Trunk:

Muscles of Respiration:

• Diaphragm: Primary muscle for breathing.
  Mnemonic: "Dia-breath = diaphragm."

• Intercostals: Help with rib movement during breathing.
  Mnemonic: "Inter = between ribs, helps with inhalation and exhalation."

Abdominal Wall:

• External Abdominal Oblique: Most superficial.
  Mnemonic: "Oblique = side, external = outer."

• Internal Abdominal Oblique: Underneath external.
  Mnemonic: "Internal = deeper oblique."

• Transverse Abdominal: Deepest layer.
  Mnemonic: "Transverse = deepest."

• Rectus Abdominis: Strengthens abdominal wall.
  Mnemonic: "Rectus = straight abdominal muscle."

• Rectus Sheath: Covers the rectus abdominis.
  Mnemonic: "Sheath covers the rectus."

• Tendinous Intersections: Divides the rectus abdominis into segments.
  Mnemonic: "Tendinous = parts of rectus."

• Linea Alba: Separates rectus abdominis.
  Mnemonic: "Linea = line in the middle."

Back Muscles:

• Quadratus Lumborum: Lumbar support.
  Mnemonic: "Quadratus = square for back support."

• Erector Spinae: Helps keep spine upright.
  Mnemonic: "Erect = spine upright."

Shoulder and Arm:

Pectoral Girdle:

• Pectoralis Minor: Anterior chest.
  Mnemonic: "Minor = smaller chest muscle."

• Serratus Anterior: Pulls scapula forward.
  Mnemonic: "Serratus = side ribs, anterior = front."

• Trapezius: Posterior upper back.
  Mnemonic: "Traps = upper back."

• Rhomboideus Major/Minor: Stabilize scapula.
  Mnemonic: "Rhomboids = like a rhombus, stabilizing scapula."

Arm Muscles:

• Deltoid: Shoulder muscle.
  Mnemonic: "Deltoid = shoulder."

• Teres Major: Under deltoid.
  Mnemonic: "Teres = rounded, like shoulder movement."

Rotator Cuff Muscles:

• Supraspinatus, Infraspinatus, Teres Minor: Posterior.
  Mnemonic: "Supraspinatus = top of scapula; Infraspinatus = below; Teres Minor = small muscle below."

• Subscapularis: Anterior.
  Mnemonic: "Sub = underneath, subscapularis = front muscle."

Forearm Muscles:

• Biceps Brachii: Flexes elbow.
  Mnemonic: "Biceps = front of the arm."

• Triceps Brachii: Extends elbow.
  Mnemonic: "Triceps = back of the arm."

• Brachialis: Flexes elbow.
  Mnemonic: "Brachialis = elbow flex."

• Brachioradialis: Elbow flexor.
  Mnemonic: "Brachio = arm, radial side."

Lower Limb Muscles:

Posterior Hip and Femur Muscles:

• Gluteus Maximus: Butt muscle.
  Mnemonic: "Maximus = largest muscle of the butt."

• Gluteus Medius: Helps with abduction.
  Mnemonic: "Medius = middle butt muscle."

• Tensor Fasciae Latae: Stabilizes hip.
  Mnemonic: "Tense = hip stabilizer."

• Piriformis: Hip rotator.
  Mnemonic: "Piriformis = rotates hip."

Medial Adductors of the Thigh:

• Pectineus, Adductor Magnus, Adductor Brevis, Adductor Longus, Gracilis: Pull thigh inward.
  Mnemonic: "Adductors = pull toward the body."

Anterior Thigh Extensors:

• Sartorius: Longest muscle.
  Mnemonic: "Sartorius = cross leg muscle."

• Rectus Femoris, Vastus Lateralis/Medialis/Intermedius: Extend knee.
  Mnemonic: "Rectus = straight, vastus = big."

Posterior Flexors of the Thigh:

• Biceps Femoris, Semitendinosus, Semimembranosus: Hamstrings.
  Mnemonic: "Biceps = lateral, Semitendinosus = middle, Semimembranosus = medial."

Lower Leg:

• Anterior Extensors: Extensor Digitorum Longus, Tibialis Anterior.
  Mnemonic: "Anterior = front of the leg."

• Posterior Flexors: Gastrocnemius, Soleus.
  Mnemonic: "Gastrocnemius = calf, Soleus = deep calf."

• Deeper Flexors: Tibialis Posterior, Flexor Digitorum Longus, Flexor Hallucis Longus.
  Mnemonic: "Deeper flexors = behind the surface."

Lateral Compartment of the Leg:

• Fibularis Longus/Brevis: Evert the foot.
  Mnemonic: "Fibularis = outside of leg, foot eversion