Kin 270 Lab Practical 2

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flexor digitorum longus

Ankle inversion & plantar flexion; toe flexion

Psoas major

Hip flexion; lateral vertebral column flexion

Thyrohyoid

Hyoid depression; larynx elevation

External oblique (located on the side and front of abdomen)

Paired: vertebral column flexion & abdominal cavity compression Individually: vertebral column rotation & lateral flexion

Internal oblique (located under external obliques)

Paired: vertebral column flexion & abdominal cavity compression Individually: vertebral column rotation & lateral flexion

Extensor hallucis longus

big toe extension

Sternocleidomastoid

neck lateral flexion and rotation

Triceps brachii

elbow extension

Brachialis

elbow flexion

Brachioradialis

elbow flexion & stabilization

Biceps brachii

elbow flexion, forearm supination

Orbicularis oris

closes and purses lips

Orbicularis oculi

closes eye; eyebrow depression

Extensor digitorium

finger extension & abduction

Flexor digitorum profundus

finger flexion

Pronator quadratus

forearm pronation

Pronator teres

forearm pronation

Supinator

forearm supination

Tibialis anterior

ankle dorsiflexion & inversion

Fibularis (peroneus) brevis

ankle eversion & plantar flexion

Fibularis (peroneus) longus

ankle eversion & plantar flexion

Tibialis posterior

ankle inversion

Flexor hallucis longus

ankle inversion & plantar flexion; big toe flexion

Soleus

ankle plantar flexion

Gastrocnemius

ankle plantar flexion (when knee is extended)

Gluteus medius

hip abduction & medial rotation

Gluteus mimimus

hip abduction & medial rotation

Adductor brevis

hip adduction, flexion & medial rotation

Adductor longus

hip adduction, flexion & medial rotation

Gracilis

hip adduction, flexion & medial rotation

Pectineus

hip adduction, flexion & medial rotation

Gluteus maximus

hip extension

Biceps femoris

hip extension, knee flexion

Semimembramosus

hip extension; knee flexion

Semitendinosus

hip extension; knee flexion

Iliacus

hip flexion

Tensor fasciae latae

hip flexion, abduction, and medial rotation

Sartorius

hip flexion, adduction & lateral rotation; knee flexion

Rectus femoris

hip flexion, knee extension

Vastus medialis

hip flexion, knee extension

Vastus lateralis

hip flexion, knee extension, and stabilization

Quadratus femoris

hip lateral rotation

Inferior gemellus

hip lateral rotation of extended hip

Obturator internus

hip lateral rotation of extended hip

Piriformis

hip lateral rotation of extended hip

Superior gemellus

hip lateral rotation of extended hip

Stylohyoid

hyoid bone elevation and retraction

Omohyoid

hyoid depression and retraction

Mylohyoid

hyoid elevation

Extensor Indicis

index finger extension

Vastus intermedius

knee extension

Popliteus

knee flexion and medial rotation

Plantaris

knee flexion; ankle plantar flexion

Sternohyoid

larynx and hyoid depression

Zygomaticus

lateral corner of mouth elevation

Buccinator

lateral mouth depression; holds food between teeth during chewing; cheek compression

Extensor digiti minimi

little finger extension

Digastric

mandible depression; hyoid stabilization

Masseter

mandible elevation

Temporalis

mandible elevation and retraction

Epicranius

pulls scalp posteriorly

Rhomboid major

retracts scapula

Rhomboid minor

retracts scapula

Internal intercostal

rib cage depression (draws ribs together)

External intercostal

rib cage elevation (pulls ribs together)

Trapezius

scapula elevation, depression, and retraction

Serratus anterior

scapula protraction and stabilization

Pectoralis minor

scapula protraction; rib cage elevation

Levator scapulae

scapular elevation and adduction

Platysma

tenses skin of neck; mandible depression

Diaphragm

thoracic cavity expansion

Abductor pollicis longus

thumb abduction & extension

Extensor pollicis (longus; brevis)

thumb extension

Flexor pollicis longus

thumb flexion

Sternothyroid

thyroid cartilage and hyoid depression

Extensor digitorum longus

toe extension

Scalene

upper rib elevation; neck flexion and rotation

Spinalis

vertebral column extension

Iliocostalis

vertebral column extension and lateral flexion

Longissimus

vertebral column extension and lateral flexion

Rectus abdominis (front of abdomen; "six pack")

vertebral column flexion

Extensor carpi ulnaris

wrist extension

Extensor carpi radialis brevis

wrist extension & abduction

Extensor carpi radialis longus

wrist extension & abduction

Palmaris longus

wrist flexion (and tenses skin of palm)

Flexor carpi ulnaris

wrist flexion, hand adduction

Flexor carpi radialis

wrist flexion; hand abduction

Adductor magnus

Anterior: hip adduction, medial rotation & flexion Posterior: hip extension

Anconeus

Ulna abduction (during pronation of forearm)

Transverse abdominis (located under obliques, deepest of the abdominal muscles)

abdominal cavity compression

Epicranius

eyebrow elevation

Deltoid

shoulder abduction

Subscapularis

shoulder abduction & stabilization

Supraspinatus

shoulder abduction & stabilization

Latissimus dorsi

shoulder extension, adduction, medial rotation

Coracobrachialis

shoulder flexion and adduction

Pectoralis major

shoulder flexion, medial rotation, and adduction

Infraspinatus

shoulder lateral rotation & stabilization

Teres minor

shoulder lateral rotation & stabilization

Teres major

shoulder medial rotation & adduction


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