Origins & Insertions Flashcards
Trapezius
Origin - Occipital bone, vertebra prominens, thoracic vertebrae
Insertion - Spine of scapula & acromion
Levator Scapulae
Origin - Cervical vertebrae
Insertion - Medial border or scapula
Latissimus Dorsi
Origin - Iliac crest, lumbar vert & thoracic vert
Insertion - Intertubercular sulcus
Infraspinatus/Teres Minor
Infraspinatus
O = Infraspinous fossa
I = greater tubercle of the humerus
Teres Minor
O = Inferior angle of scapula
I = greater tubercle of the humerus
Subscapularis
O = subscapular fossa
I = lesser tubercle of humerus
Teres Major
O = Inferior angle of scapula
I = Lesser tubercle of humerus
Pectoralis Major
Origin - Clavicle, sternum & ribs
Insertion - intertubercular sulcus & greater tubercle of humerus
Gluteus maximus, medius, minimus
Gluteus Maximus
O = ilium, sacrum & coccyx
I = Iliotibial tract & shaft of femur
Gluteus Medius & minimus
O = Ilium
I = Greater trochanter
Tensor Fascia latae
O = Iliac crest
I = Iliotibial tract
Biceps Brachii
Origin:
- LH: supraglenoid tubercle
- SH: coracoid process
Insertion - radial tuberosity
Triceps Brachii
Origin:
- LH: infraglenoid tubercle
- Med & Lat H: shaft of humerus
Insertion - olecranon process
Brachialis
Origin - Shaft of humerus
Insertion - Coronoid process
Deltoids
Origin - Clavicle, acromion & spine of scapula
Insertion - Deltoid tuberosity
Rhomboids
Origin - Thoracic vertebrae
Insertion - Medial border or scapula
Iliacus & Psoas Major
Origin - Ilium, sacrum & lumbar vert
Insertion - Lesser trochanter
Rectus Femoris
Origin = anterior inferior iliac spine
Insertion - tibial tuberosity
Vastus lateralis, intermedius & medialis
Vastus lateralis
- O = linear aspera & greater trochanter
- I = tibial tuberosity
Vastus intermedius
- O = shaft of femur
- I = tibial tuberosity
Vastus medialis
- O = Linear aspera
- I = Tibial tuberosity
Fibularis group
Fibularis Longus
- O = head of fibula
- I = Metatarsal 1
Fibularis brevis
- O = head of fibula
- I = metatarsal 5
Hamstrings
Bicep femoris
- O = ischial tuberosity
- I = lateral condyle of tibia
Semimembranosus
- O = ischial tuberosity
- I = Medial condyle of tibia
Semitendinosus
- O = ischial tuberosity
- I = tibia via pes anserinus
Adductors
Adductors
O = pubis
I = Linea aspera
Gastrocnemius
Origin
- Medial and lateral condyles of femur
Insertion
- Calcaneous via achilles tendon
Soleus
Origin - shaft of tibia
Insertion - Calcaneous via achilles tendon
Tibialis Anterior
Origin
- Lateral condyle of tibia
Insertion
- Metatarsal 1
Tibialis Posterior
Origin
- Shaft of tibia
Insertion
- Metatarsals 2-4