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