Chpt 10 - Muscle Anatomy Groups

head/neck flexors (anterior)

sternocleidomastoid, scalene muscles

head/neck extensors (posterior)

trapezius, splenius, spinalis, longissimus

lip/mouth elevation (smiling or sneering)

zygomaticus major and minor, levator labii superioris, levator anguli oris, risorius

lip/mouth depression (frown or pout)

depressor anguli oris, depressor labii inferioris, platysma

chewing/jaw elevation (mandible closing)

temporalis, masseter, medial pterygoid

jaw depression (mandible opening)

lateral pterygoid, hyoid

vertebral column extensors

iliocostalis, longissimus, spinalis

vertebral column flexors and trunk compressors

rectus abdominis, abdominal oblique, transversus abdominis

scapular retraction/medial movement

rhomboideus, trapezius, levator scapulae

scapular protractors (pull scapula anteriorly)

serratus anterior, pectoralis minor

shoulder flexors

pectoralis major, deltoid, coracobrachialis, biceps brachii

shoulder extensors

latissimus dorsi, teres major, deltoid

shoulder abductors

deltoid, supraspinatus

rotator cuff group

supraspinatus, infraspinatus, teres minor, subscapularis

elbow flexors

brachialis, biceps brachii, brachioradialis

elbow extensors

triceps brachii

forearm pronators

pronator teres

forearm supinators

supinator and biceps brachii

wrist flexors

flexor carpi radialis, flexor carpi ulnaris, palmaris longus

wrist extensors

extensor carpi radialis longus, extensor carpi ulnaris

hip flexors (anterior)

iliopsoas group, rectus femoris, sartorius, tenor fasciae latae

hip extensors (posterior)

gluteus maximus, hamstring group

hip adductors (medial thigh)

adductor longus, adductor brevis, adductor magnus, pectineus, gracilis

hip abductors (medial thigh)

gluteus medius and minimuss

knee extensors

rectus femoris, vastus lateralis, vastus medialis, vastus intermedius

knee flexors

biceps femoris, semitendinosus, semimembranosus, gastrocnemius, sartorius and gracilis

ankle dorsiflexors

tibialis anterior, extensor digitorum longum

anke plantar flexors

gastrocnemius, soleus, fibularis longus and fibularis brevis, tibialis posterior

standing up (hip and knee extension)

gluteus maximus, quadriceps femoris (rectus femoris, vastus lateralis, vastus intermedius, vastus medialis)

flexing elbow

biceps brachii, brachialis, brachioradialis

walking up stairs

quadriceps femoris, gluteus maximus, gastrocneius/soleus