Muscles 3/31

Question 1

Insertion: ASIS
Action: flexion, abduction, and lateral rotation of hip
Flexion of leg
Innervation: femoral nerve

Answer 1

Sartorius

Question 2

Insertion: proximal medial femur
Action: Adducts and flexes thigh
Innervation: femoral nerve

Answer 2

Pectineus

Question 3

Insertion: lesser trochanter of femur
Action: flexes thigh
Innervation: femoral nerve

Answer 3

Psoas major
Psoas minor
Iliacus

Question 4

Insertion: patella, tibial tuberosity
Action: extend the leg
Innervation: femoral nerve

Answer 4

Rectus femoris
Vastus lateralis
Vastus medialis
Vastus intermedius

Question 5

Insertion: mastoid process
Insertion: sternal head- Manubrium of clavicle
Clavicular head: medial clavicle
Action: unilaterally: laterally flexes neck & rotates face to opposite side
Bilaterally: flexion of neck
Innervation: accessory nerve

Answer 5

Sternocleidomastoid SCM

Question 6

Origin: transverse processes of cervical vertebrae
Insertion: 1st rib, 1st, 2nd rib
Action: elevates ribs aiding in forced inspiration, flexes neck
Innervation: cervical spinal nerves

Answer 6

Anterior scalene
Middle scalene
Posterior scalene