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Common Name | Origin | Insertion | Action | ||
Trunk | |||||
Gluteus maximus | Illiac crest to the sacrum/coccyx | Femur | Retraction of the leg and lateral rotation of the leg | ||
Gluteus medius | Illiac crest | Femur (great trochanter) | Lateral and medial rotation and abduction | ||
Gluteus minimus | Illiac crest | Femur (great trochanter) | Lateral and medial rotationa nd abduction | ||
Erector spinae | Transverse processes on the vertebral column | Transverse and spinous process on the vertebral column | Antagonists to the abdominal muscles. Hyperextension and extension of the spine | ||
Trapezius | Skull to the vertebral column | Scapula | Rotation of the scapula, restraction of the skull | ||
Rhomboids | Vertebral column | Scapula | Rotation of the scapula | ||
Levator scapulae | Cervical vertebral column | Top of scapula | Raises the scapula | ||
Supraspinatis | Rotator cuff | Scapula | Humerus | Adduction of the arm, rotation | |
Infraspinatis | Rotator cuff | Scapula | Humerus | Adduction of the arm, rotation | |
Teres major | Scapula | Humerus | Adduction of the arm, rotation | ||
Teres minor | Scapula | Humerus | Adduction of the arm, rotation | ||
Pectoralis major | Sternum to clavicle | Humerus | Adduction | ||
Deltoid | Scapula and clavicle | Humerus | Moves the arm; abduction, rotation and retraction | ||
Serratus anterior | Ribs | Scapula | Stabilises the scapula | ||
Lattissimus dorsi | Vertebral column to sacrum & ilium | Humerus | Adduction, some retraction | ||
Splenius capitus | Top of the vertebral column | Base of the skull | Hyper extend vertebrae & lateral flexing | ||
Iliacus | Iliac crest | Top & medial of the femur | Hip flexor | ||
Psoas | Base of the vertebral column | Top & medial of the femur | Hip flexor | ||
Subscapularis | Scapula | Humerus | Medial rotation & stabilises shoulder | ||
Sterno-cleido mastoid | Clavicle and sternum | Occipital and temporal bone | Rotate and flex the head. In deep breathing, raises the rib cage | ||
Abdominus rectus | Sternum | Pubis | Flexing lumbar vertebrae | ||
Abdominus transversalis | - | - | Supporting trunk muscles | ||
Internal oblique | Pelvic girdle | Linea alba | Twisting the trunk | ||
External oblique | Ribs | Pelvic girdle (opposite side) | Twisting the trunk | ||
Arm | |||||
Brachialis | Humerus | Ulna | Elbow flexor | ||
Biceps | Biceps brachii | Humerus | Radius and ulna | Elbow flexor | |
Coraco brachialis | Scapula | Humerus | Adduction | ||
Triceps | Triceps | Scapula and humerus | Ulna | Extend the elbow | |
Brachioradialis | Humerus | Radius | Flex and laterally rotate the elbow | ||
Pronator teres | Humerus | Radius and Ulna | Supination | ||
Supinator radii brevis | Humerus | Radius | Pronation and small inflexion | ||
Flexor carpi radialis | Humerus | Carpals | Flexes the wrist joint | ||
Extensor carpi radialis | Humerus | Carpals | Extends and abducts the hand | ||
Extensor carpi ulnaris | Humerus | Carpals | Extends and adducts the hand | ||
Flexor carpi ulnaris | Humerus | Carpals | Flexes the wrist joint | ||
Flexor carpi digitorum | Humerus and radius | Carpals | Flexes the hands and fingers | ||
Extensor carpi digitorum | Humerus | Phalanges | Extends the hand and fingers | ||
Leg/Thigh | |||||
Rectus femoris | Quadriceps | Hip | Patella, via ligament to Tibia | Flex hip, extend knee | |
Vastus lateralis | Quadriceps | Femur | Patella | Extend knee | |
Vastus medialis | Quadriceps | Femur | Patella | Extend knee | |
Vastus intermedius | Quadriceps | Femur | Patella | Extend knee | |
Biceps femoris | Hamstrings | Hip | Tibia, Fibula | Flex knee, lateral rotation | |
Semimembranosus | Hamstrings | Hip | Tibia | Flex knee, medial rotation | |
Semitendinosus | Hamstrings | Fip | Tibia | Flex knee, medial rotation | |
Adductor longus | Hip | Femur | Adduction, lateral rotation | ||
Adductor magnus | Hip | Femur | Adduction, lateral rotation | ||
Adductor brevis | Hip | Femur | Adduction, lateral rotation | ||
Gracilis | Hip | Tibia | Thigh adduction, extend knee | ||
Sartorius | Tailors muscle | Hip | Tibia | Flex knee, abduction, rotation, flex thigh | |
Lower Leg | |||||
Gastrocnemius | Calf muscle | Femur | Calcaneum | Plantarflexion | |
Soleus | Calf muscle | Tibia, fibula | Calcaneum | Plantarflexion | |
Tibialis anterior | Tibia | Metatarsal | Dorsiflexion & lateral rotation (inversion) | ||
Peroneus longus | Fibula | Metatarsal | Plantarflexion and medial rotation (eversion) | ||
Flexor digitorum longus | Tibia | Phalanges | Dorsiflexion | ||
Extensor digitorum longus | Tibia | Phalanges | Dorsiflexion | ||
Extensor hallucis longus | Fibula | 1st Phalange | Dorsiflexion and inversion | ||
Face, neck and Scalp | |||||
Obicularis oculi | Eye socket/orbit | Eye socket/orbit | Close the eye lids | ||
Obicularis oris | Around the mouth | Around the mouth | Pucker up | ||
Masseter | Zygomatic and maxilla | Mandibles | Protract the lower jaw | ||
Buccinator | Maxilla, mandibles | Lip muscle | Compress the cheek | ||
Levator anguli oris | Maxilla | Side of the lip | Raise the lip sides | ||
Levator labii superioris | Maxilla | Upper lip and nose | Flares naves and elevates lip | ||
Mentalis | Mandible | Chin below lower lip | Protrudes lower lip | ||
Zygomaticus | Zygomatic | Angle of the mouth | Laughing | ||
Temporalis | Temporal | Mandibles | Closes the mouth | ||
Nasalis | Maxilla | Maxilla. opp. side | Holds the naves (nostrils) open | ||
Procerous | Nasal | Top of the nose | Wrinkling your nose | ||
Corrugator | Orbit | Eye brow | Pull eye brow down | ||
Frontalis | Frontal | Occipital | Wrinkle forehead | ||
Occipitalis | Occipital | Frontal | Wrinkle forehead | ||
Pterygoids | Maxilla, spehnoid palatine | Mandibles | Close the teeth/jaw | ||
Triangularis | |||||
Platysma | Top of the chest | Mandibles | Depress, draw lower lip and open mouth |