LIMB MUSCLES

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Limb muscles

Muscles of the limb function in:

• movement

• grasping

• balance

Color Key:

Purple: Muscles that move the upper arm

Orange: Muscles that move the forearm

Brown: Muscles that move the hand

Anterior superficial muscles of the shoulder and arm

Posterior superficial muscles of the arm

Extensor digiti minimi

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Click on the picture to watch a tutorial on arm muscles

Find the muscles on your body.

Word Bank: Biceps brachii, Deltoid, Extensor digitorum, Extensor carpi radialis longus,Triceps brachii,

Word Bank: Brachioradialis, Extensor carpi ulnaris, Extensor digitorum, Flexor carpi ulnaris

Word Bank: Brachioradialis, Flexor carpi radialis, Flexor carpi ulnaris, Palmaris longus

Color Key:

Teal: moves the thigh

Gray: moves the lower leg

Pink: moves the foot

Anterior superficial muscles of the leg

Which muscle do you think is associated with a pulled groin?

Why do you think there is an * next to numbers 8, 9,10?

Part of the quadriceps group (vastus intermedius not shown.)

Posterior superficial muscles of the leg

What is special about the gluteus maximus?

It is the largest muscle of the body.

Why is there an * next to numbers 18,19 and 20?

They belong to the hamstring group.

Name 2 muscles that are synergists to the biceps brachii.

Brachialis and Brachioradialis

 

How did the triceps brachii get its name?

 It has 3 origins

It is an arm muscle

What is the action of the anterior forearm muscles?

Flexion of the hand

 

What is the action of the posterior forearm muscles?

 Extension of the hand

 

What is the longest muscle of the body and shown on the anterior leg diagram?

Sartorius

Click on the picture to watch a tutorial on leg muscles

Find the muscles on your body

Word Bank: Biceps femoris, Fibularis longus, Gastrocnemius, Soleus, Vastus lateralis,

Word Bank: Gastrocnemius, Gracilis, Rectus femoris, Tibialis anterior, Vastus lateralis, Vastus medialis,

KeyPurple- move upper arm Light brown- flex the handOrange- Move the forearm Dark brown- extend the hand

A DeltoidB Pectoralis majorC Biceps brachiiD CorocobrachialisE Triceps brachiiF BrachialisG BrachioradialisH Flexor carpi radialisI Palmaris longusJ Flexor carpi unlaris

K Extensor carpi radialis longusL AnconeusM Extensor digitorumN Extensor digiti minimiO Extensor carpi ulnaris

Color Key: Gray moves lower legTeal moves the thigh Pink moves the foot

A Vastus lateralisB GracilisC Adductor LongusD SartoriusE Rectus femorisF Vastus medialisG Fibularis (Peroneus) longusH GastrocnemiusI Tibialis AnteriorJ Soleus

K Gluteus maximusL Adductor magnusM SemitendinosusN Biceps femorisO GracilisP SemimembranosusQ GastrocnemiusR SoleusS Flexor digitorum longus