U Flashcards
Temporalis
O: super and inferior temporal bone
A: coronoid process of mandible
Elevates and retracts mandible
Masseter
O: zygomatic arch
I: angle of mandible
Chewer, prime mover of jaw closure
Sternocleidomastoid
O: manubrium and sternum ends of clavicle
I: mastoid process of temporal bone
Rotation of atlantoaxial joint
Rectus abdominis
O: superior surface of pubis
I: xiphoid process
Flexes vertebral column
Trapezius
O: occipital bone
I: clavicle and acromion process
Elevates and adducts the scapula
Latissimus dorsi
O: spinous process of T7-12
I: intertubercular groove of humerus
Arm extension; swimmers muscle
Triceps brachii
3 heads
Long head: tubercle of scapula
Lateral: posterior humerus
Medial head: posterior humerus
I: olecranon of ulna
Gluteus Maximus
O: iliac crest, sacrum, coccyx
I: IT band, Linea aspera of femur
Biceps femoris
O: ischial tuberosity
I: head of fibula
Semimembranous
O: ischial tuberosity
I: tibia
Semitendinosus
O: ischial tuberosity
I: Pes anserine
Gastrocnemius
O: femur
I: calcaneus
Pectoralis major
O: clavicle, sternum, costal cartilage
I: humerus
Deltoid
O: clavicle, acromion and spine of scapula
I: deltoid tuberosity of humerus
Biceps brachii
Long head O: supraglenoid tubercle of scapula
Short head O: coracoid process of scapula
I: radial tuberosity of radius