kin quiz origins and insertions Flashcards
sternocleidomastoid
O: manubrium, sternal head of clavicle
I: mastoid process
A: one - rotates and extends head
both - flexes neck
gluteus maximus
O: ilium, sacrum, coccyx
I: gluteal tuberosity of femur, lateral condyle of tibia
A: extends, abducts, and laterally rotates thigh
gluteus medius
O: outer ilium
I: greater trochanter of femur
A: medially rotates and abducts thigh
vastus, lateralis, medialis, intermedius
O: greater trochanter
I: tibial tuberosity
A: leg extension
rectus femoris
O: anterior inferior iliac spine
I: tibial tuberosity
A: lex extension, some hip flexion
semimembranosus, semitendinosus
O: ischial tuberosity
I: medial tibia
A: extends thigh, flexes and medially rotates leg
biceps femoris
O: ischial tuberosity (long head) linea aspera of femur (short head)
I: head of fibula, lateral tibia
A: extends thigh, flexes and laterally rotates leg
adductor brevis, adductor longus, adductor magnus
O: pubis (magnus - pubis and ischium)
I: linea aspera of femur
A: adduction and lateral rotation of the thigh
tibialis anterior
O: tibia, lateral
I: 1st metatarsal and medial cuneiform
A: dorsi flexion and foot inversion
gastrocnemius
O: medial and lateral condyles of femur
I: calcaneus
A: plantar flextion, flexes leg
pectoralis minor
O: ribs 3-5
I: coracoid process of scapula
A: depresses scapula and elevates rib pairs 3-5
pectoralis major
O: clavicle, sternum, and ribs 1-7
I: greater tubercle of humerus
A: adducts, medially and laterally rotates the arm
latissimus dorsi
O: T7-T12, L1-L5, sacrum, ilium, and ribs 10-12
I: intertubercular groove of humerus
A: adducts, extends, medially rotates the arm, pulls shoulder inferiorly
trapezius
O: occipital, C7-C12
I: clavicle, acromion and spine of scapula
A: abducts and extends head, rotates and adducts scapula
supraspinatus, infraspinatus
O: supraspinatus - supraspinous fossa
infraspinatus - infraspinous fossa
I: humerus
A: circumduction
deltoid
O: clavicle, acromion and spine of scapula
I: humerus, deltoid tuberosity
A: abducts arm
biceps brachii
O: supraglenoid tubercle and coracoid process
I: radial tuberosity
A: arm flexion, supinates hand
triceps brachii
O: infraglenoid tubercle and humerus
I: ulna, olecranon process
A: adducts arm, extends arm and forearm
