Muscles

 

Region	Muscle	Origin	Insertion
Shoulder	Deltoid	Lateral End Clavicle, Acromium Process & Spine of the Scapular	Humerus
Upper Arm
a. Flexor Group of Upper Arm	Brachialis (under Biceps)	Front Surface Humerus	Head Ulna
	Biceps; Long Head	Above Glenoid Fossa	Head Radius
	Biceps; Short Head	Coracoid Process, Scapular	Head Radius
b. Extensor Group of the Upper Arm (rear/high)	Triceps; Long Head	Below Glenoid Fossa	Tendon to Elbow
	Triceps; Short Head	Back Sureace Humerus	Tendon to Elbow
Lower Arm
a. Flexor-Pronator Group (inner side-low)	Flexor Carpi Ulnaris	Humerus, Medial Epicondyle	Wrist, little finger side
	Palmaris	Humerus, Medial Epicondyle	Wrist, centre palm
	Flexor Carpi Radialis	Humerus, Medial Epicondyle	Thumb base
	Pronator Teres	Humerus, Medial Epicondyle	Upper Radius
b. Extensor-Supinator Group (rear/high)	Brachioradialis	Humerus, between Triceps and Biceps	Radius, near thumb
	Extensor Carpi Radialis Longus	Humerus, Lateral Epicondyle	Metacarpal #2
	Extensor Carpi Radialis Brevis	Humerus, Lateral Epicondyle	Metacarpal #3
	Extensor Digitorum (Communis)	Humerus, Lateral Epicondyle	By 4 Tendons to fingers 2-5
	Extensor Carpi Ulnaris	Humerus, Lateral Epicondyle	Metacarpal #5
	Anconeus	Humerus, Lateral Epicondyle	Ulna, top surface
Simplified Lower Arm
	Extensor Group	Elbow, outer side	Thumb and back of hand
	Flexor Group	Elbow, inner side	Hand, Palm side

Extensor & Flexor Groups divided by Ulna  and on the inside by a line from the inner Elbow to the inner Wrist.

Wrist-thumb Group
	Abductor Pollicis Longus	Ulna & Radius, Wrist end	Thumb
	Extensor Pollicis Brevis	Radius, Wrist end	Thumb
Hand
	Thenar Eminence	Wrist, Thumb side	Thumb
	Hypothenar Eminence	Wrist, Little Finger side	Little Finger
Head and Neck
	Fontalis	Forehead
	Orbicularis Occuli	Around Eyes
	Nasalis	Nose
	Orbicularis Oris	Around Mouth
	Zygomaticus	Zygomatic bone (cheekbone)	Top of lips
	Masseter	Behind Zygomatic bone	Corner of jaw under ear
	Sternocleidomastoid	Behind Ear	Sternum & Clavicle
Chest
	Pectoral	Clavicle (middle half), Sternum, Abdominal Sheath	Humerus
	Serratus	Fan like digitations from 8 Upper Ribs	Passed between Ribs & Scapular
Flank
	External Oblique	By digitations from Ribs 5-7, upper 4 weave with slips of Serratus	Rectus Abdominus, Liguinal Line, Iliac Crest
Abdomen
	Rectus Abdominus	Symphysis Pubis	Thoracic Arch
Back
	Strong Cords of the back	Sacrum & Iliac Crest	Lower Ribs
	Rhomboids	Thoracic Vertebrae 1-4	Scapular
	Infraspinatus	Below Spine of the Scapular	Humerus, Major Tubercle
	Teres Major	Scapular, lower angle	Upper Humerus, below Latissimus Dorsi
	Latissimus Dorsi	Thoracic Vertebrae #7, Iliac Crest, Lower 3 Ribs	Humerus, near hand
	Trapezius	Base of Skull, Nuchal Ligament	Outer Clavicle, Acromium Process, Scapular Spine
Groin and Thigh
a. Groin and Adductor Group of Thigh (Upper-Inner Group)	Adductors	Pubis	Femur
	Gracilis	Pubis	Tibia, behind Satorius
b. Iliac Reins to Knee	Satorius	Pelvic Point	Tibia Tuberosity
	Tensor Fasciae Latae	Pelvic Point	Ilio-Tibial Band to Tibia Head
c. Extensor Group – Quadriceps (front-high)	Vastus Medialis	Femur	Common tendon to Patella
	Vastus Lateralis	Great Trochanter	Common tendon to Patella
	Rectus Femoris	Second Pelvic Point	Common tendon to Patella
d. Buttock and Abductor Group	Gluteus Maximus	Ilium & Sacrum	Ilio-Tibial Band
	Gluteus Medius	Ilium	Great Trochanter
e. Flexor Group – Hamstring Muscles (rear-low)	Biceps Femoris	Femur	Fibular Head
	Semitendinosus	Ischium	Tuberosity of Tibia
	Semimembranosus	Ischium	Tibia, Medial Condyle
Lower Leg
a. Flexor Group (high, passing behind ankle)	Gastrocnemius	Femur Condyles	Archilles
	Peronius Longus	Fibula Head	Behind outer Ankle by tendon
b. Extensor Group (middle, passing front Ankle)	Tibialis Anterior	Tibia, in front of Fibula Head	Tendon to Big Toe
Foot
	Extensor Digitorum Brevis	Inside of Outer Ankle	Tendons to Toes 1 to 4
Sole of Foot
	Abductor Hallucis	Inner Heel	Base of Big Toe
	Abductor Digiti Minimi	Outer Heel	Base of Little Toe