Master Muscle Sheet

Serratus Anterior

Scapular upward rotation and protraction

Tibialis Posterior

Supination of foot, adduction, plantar flexion

Masseter

Biting

Pectoralis Minor

Protraction, downward rotation, depression

Abductor Digiti Minimi

Abduction of 5th MTP joint

Procerus

Wrinkles the nose

Infraspinatus

External rotation, horizontal abduction

Flexor Hallucis Longus

Flexes hallux

Zygomaticus Major

Smiling

Anterior Deltoid

Flexion, abduction

Adductor Hallucis

Adduction of 1st MTP joint

Digastric

Opens mouth

Triceps Brachii

Extension, adduction

Extensor Digitorum Brevis

Extension of 2-5 MTP joints

Mentalis

Elevates skin on the chin

Subscapularis

Internal rotation

Soleus

Plantar flexion

Buccinator

Depresses cheek

Middle Trapezius

Scapular retraction

Lumbar Flexors

Flexion of 2nd-5th MTP joints

Orbicularis Oris

Puckers lips

Rhomboid Minor

Scapular retraction and elevation

Abductor Hallucis

Abduction of 1st phalanx

Mylohyoid

Opens mouth

Levator Scapulae

Scapular elevation and downward rotation

Extensor Digitorum Longus

Extends 2nd-5th MTP joints

Depressor Anguli Oris

Frowning

Lower Trapezius

Scapular depression, upward rotation, retraction

Peroneus Brevis

Pronation of foot

Temporalis

Biting

Posterior Deltoid

Extension, abduction, horizontal abduction

Flexor Digiti Minimi Brevis

Flexion of 5th MTP joint

Geniohyoid

Opens mouth

Pectoralis Major

Adduction, flexion, horizontal adduction, internal rotation

Flexor Digitorum Brevis

Flexion of 2nd-5th MTP joints

Depressor Labii Inferioris

Lowers mouth

Levator Anguli Oris

Raises side of mouth

Teres Minor

External rotation, horizontal abduction

Tibialis Anterior

Dorsiflex and supinate the foot

Biceps Brachii

Flexion, abduction, forearm supination

Peroneus Longus

Pronation of foot

Upper Trapezius

Scapular elevation

Extensor Hallucis Longus

Extends 1st phalanx

Rectus Abdominis

Lumbar flexion, posterior pelvic rotation

Latissimus Dorsi

Extension, internal rotation, adduction

Flexor Hallucis Brevis

Flexion of 1st MTP joint

External Oblique

Bilateral: lumbar flexion, posterior pelvic rotation; Unilateral: lumbar rotation to opposite side, lateral bending to same side

Coracobrachialis

Flexion, adduction

Peroneus Tertius

Pronation of foot

Internal Oblique

Bilateral: support abdominal organs, posterior pelvic rotation, lumbar flexion; Unilateral: lumbar rotation to same side, lateral bending to same side

Teres Major

Extension, internal rotation, adduction

Flexor Digitorum Longus

Flexes 2nd-5th phalanges

Middle Deltoid

Abduction, flexion

Plantaris

Plantar flexion

Gastrocnemius

Plantar flexion, assists knee flexion

Supraspinatus

Abduction, external rotation

Rhomboid Major

Retraction, elevation, downward rotation of scapula

Gemellus Inferior

Hip external rotation

Extensor Indicis

2nd MCP extension

Gracilis

Hip adduction, knee flexion

Opponens Pollicis

Thumb opposition

Sartorius

Hip flexion, abduction, external rotation, knee flexion

Longissimus Capitis

Extension of neck and head

Flexor Carpi Ulnaris

Wrist flexion, ulnar deviation

Psoas Major and Minor

Hip flexion

Longissimus Cervicis

Extension of spinal column, lateral bending

Adductor Pollicis

1st CMC adduction, 1st MCP adduction, 1st MCP flexion

Adductor Magnus

Hip adduction, internal rotation

Longissimus Thoracis

Extension of spinal column, lateral bending

Palmaris Longus

Wrist flexion

Gluteus Medius

Hip abduction, hip flexion (ant), hip internal rotation (ant)

Multifidus

Rotation of spine to opposite side, stabilization of vertebral column

Extensor Carpi Ulnaris

Wrist extension, ulnar deviation

Iliacus

Hip flexion

Semispinalis Capitis

Extension of neck and head

Flexor Digitorum Superficialis

PIP flexion, MCP flexion

Biceps Femoris

Hip extension, external rotation, knee flexion

Semispinalis Cervicis

Extension of thoracic and cervical spine

Extensor Pollicis Longus

1st IP extension, 1st MCP extension

Adductor Brevis

Hip adduction, hip internal rotation

Extensor Pollicis Brevis

1st MCP extension, 1st CMC extension, 1st CMC abduction

Rectus Femoris

Hip flexion, knee extension

Vastus Intermedius

Knee extension

Palmar Interossei

Adduction of 1, 2, 4, and 5 digits

Semimembranosus

Knee flexion, hip extension, hip internal rotation

Popliteus

Tibial internal rotation, knee flexion

Vastus Lateralis

Knee extension

Pronator Quadratus

Forearm pronation

Flexor Pollicis Longus

1st IP flexion, 1st MCP flexion

Extensor Carpi Radialis Brevis

Wrist extension, radial deviation

Brachialis

Elbow flexion

Pronator Teres

Forearm pronation, elbow flexion

Brachioradialis

Elbow flexion, forearm pronation

Semispinalis Thoracis

Extension of thoracic spine

Vastus Medialis

Knee extension

L-spine rotation

Movement of the lumbar spine around its vertical axis.

L-spine flexion

Bending of the lumbar spine forward.

L-spine lateral bend

Side bending movement of the lumbar spine.

Thorax depression

Lowering of the thoracic region.

Respiration

Process of inhaling and exhaling air.