Spinal root of ACCESSORY NERVE (CNXI)

Elevation, retraction & rotation of scapula

Dorsal scapular nerve

press the scapula to the thoracic wall, retraction of scapula medially

Dorsal scapular nerve

Press the scapula to the thoracic wall, retraction of scapula medially

Dorsal scapular nerve

elevates the scapula

Latissimus dorsi

(coughing muscle)

Thoracodorsal nerve

Adduction & lowering the arm, medial rotation & extension of the arm (humerus)

raises body toward the arm when climbing

intercostals nerves

accessory muscles of respiration in COPD

Intercostals nerve

rib elevation - accessory muscles of respiration

Primary spinal dorsal rami

for erect posture of the body & 2 splenii r rotate the head

extensors when both sides contract & flexion when one side contracts

Primary dorsal rami

for erect posture of the body & 2 splenii r rotate the head

extensors when both sides contract & flexion when one side contracts

Primary dorsal rami

for erect posture of the body & 2 splenii r rotate the head

extensors when both sides contract & flexion when one side contracts

Primary dorsal rami

extensors when both sides contract & flexion when one side contracts

Primary spinal dorsal rami

extensors when both sides contract

some stabilize & some rotate the vertebral column

Primary spinal dorsal rami

extensors when both sides contract

some stabilize & some rotate the vertebral column

Primary spinal dorsal rami

extensors when both sides contract

some stabilize & some rotate the vertebral column

Greater occpitial nerve

Rectus capitis posterior major

Oblique capitis superior

Oblique capitis inferior

Turning the head backward or laterally

Super gluteal nerve

Abduction, medial rotation & flexion of the thigh, protects the knee joint

Gluteus maximus

Inferior gluteal nerve

(inferior gluteal artery)

powerful extensor of hip joint, lateral rotator, active in rising, sitting, climbing

Superior gluteal nerve

(superior gluteal artery)

abduction, medial rotation of thigh

keeps pelvis level when oppsite leg is raised

Superior gluteal nerve

(superior gluteal artery)

abduction, medial rotation of thigh

keeps pelvis level when opposite leg is raised

nerve to piriformis (sacral plexus) S1-S2

may be partially/totally absent

lateral rotator & abductor of the thigh, keeps femur head in acetabulum

nerve to obturator internus

lateral rotator of the thigh when it's extended & abductor of the thigh when flexed

nerve to quadratis femoris

lateral rotator of the thigh when it's extended & abductor of the thigh when flexed

Tibial nerve

extension at hip, flexion & medial rotationat the knee

Tibial nerve

hip extensor, knee flexor, medial rotator

Tibial nerve to part inserted at linea aspera

Obturator nerve to part inserted to adductor tubercle

Powerful adductor, lateral rotator, medial rotator at knee

extensor of hip joint

Long head:  tibial nerve

Short head:  common peroneal nerve

long head:  extensiton at hip - it's flexor & lateral rotator at knee joint

short head may be absent

Tibial nerve

active in hard & sustained motion (red fiber)

tibial nerve

active for fast movements (white fiber)

Tibial nerve

best plantar flexors, active in walking

tibial nerve

active in plantar flexion & supination of the foot

tibial nerve

active in plantar flexion & supination of teh foot

tibial nerve

active in plantar flexion & supination of the foot

Tibial nerve

Flexion of the knee, unlocking of the knee joint, protection of lateral meniscus

Superficial peroneal nerve

strongest pronator of the foot

Obturator nerve

strongest pronator of the foot

Obturator nerve

Adductor of thigh, flexor of hip, flexor at jnee joints

Pectineus

Femoral nerve & obturator nerve

adductor of thigh & flexor of hip joint

Obturator nerve

Adductor of thigh, flexor of hip

Obturator nerve

Adduction of thigh, hip flexion

Tibial nerve to part inserted to linea aspera

Obturator nerve to part inserted to adductor tubercle

same as magnus

may not be found in everyone

Lumber plexus to psoas

Femoral nerve to iliacus

Chief flexor of the hip

Femoral nerve

Chief extensor of the knee joint

Femoral nerve

Acts on 2 joints:  flexes at both hip & knee joints

Deep peroneal nerve

dorsiflexion & supination; with peroneal longus keeps the transverse arch of the foot

Deep peroneal nerve

Dorsiflexion of foot

Deep peroneal

first toe dorsiflexion

Deep peroneal

Dorsiflexion of the digits

Deep peroneal

Dorsiflexion of 1st digit

Lateral plantar nerve

adductors of the digits

Lateral plantar nerve

Adductors of the digits