Flexor Carpi Ulnaris
Origin : medial epicondyle of humerus
Insertion : pisiform / hamate
Action : flex wrist
Extensor Carpi Ulnaris
Origin : lateral epicondyle of humerus
Insertion : 5th metacarpal
Action : extend wrist
Masseter
Origin : zygomatic arch
Insertion : mandible
Action : elevate mandible
Sternomastoid
Origin : manubrium
Insertion : mastoid process
Action : rotate ; flex head
Sternohyoid
Origin : manubrium
Insertion : hyoid
Action : elevate hyoid
Biceps Brachii
Origin : coracoid process
Insertion : radial tuberosity
Action : flex elbow
Triceps Brachii (lateral head)
Origin : humerus
Insertion : olecranon process
Action : extend elbow
Gracilis
Origin : pubis
Insertion : tibia
Action : flex leg
Adductor Femoris
Origin : pubis
Insertion : femur and tibia
Action : adduct thigh
Gluteus Medius
Origin : gluteal surface of ilium
Insertion : greater trochanter of femur
Action : abduct thigh
Semimembranosus
Origin : ischial tuberosity
Insertion : medial condyle of femur
Action : flex knee
Vastus Lateralis
Origin : greater trochanter
Insertion : patella / tibial tuberosity
Action : extend knee
Tibialis Anterior
Origin : lateral condyle of tibia
Insertion : medial cuneiform / 1st metatarsal
Action : dorsiflexion foot
Gastrocnemius
Origin : medial / lateral condyle of femur
Insertion : achilles tendon into calcaneus
Action : plantarflexion foot
Subscapularis
Origin : subscapular fossa
Insertion : lesser tubercle of humerus
Action : internal rotation humerus
Supraspinatus
Origin : supraspinous fossa
Insertion : greater tubercle of humerus
Action : extend humerus
Rectus Abdominis
Origin : pubic crest
Insertion : xiphoid process / body of sternum
Action : flex abdominal spine
Spinodeltoid
Origin : scapular spine
Insertion : deltoid tuberosity of humerus
Action : raise humerus
Acromiotrapezius
Origin : spinous process of cervical vertebra
Insertion : scapular spine
Action : draw scapula dorsally
Rhomboideus
Origin : spinous process of vertebra
Insertion : medial border of scapula
Action : adduct scapula
Latissimus Dorsi
Origin : lumbrodorsal fascia / spinous process of lumbar vertebra
Insertion : intertubercular groove
Action : extend arm
Pectoralis Major
Origin : manubrium / sternum
Insertion : greater tubercle of humerus
Action : adduct arm