Unit 3, lesson 1: Muscle naming practice

Match each term used to name muscles by shape with its meaning:

• shaped like a trapezoid

• trapezoid

• triangle

• plat-

• like a saw

• deltoid

• flat

• serratus

Which terms here indicate a muscle that is large? (choose all that apply)

• vastus

• major

• maximus

• brevis

Match the muscle size name with its meaning

• long

• longus

• short

• brevis

• large

• minimus

• small

• vastus

Match the terms that indicate muscle fiber orientation with their meanings:

• fibers run perpendicular to the midline

• oblique

• fibers run diagonally

• transverse

• fibers are straight

• rectus

Match the muscle name parts with their meanings:

• moves an arm or leg away from midline

• extensor

• moves an arm or leg toward the midline

• adductor

• extends a joint

• abductor

• rotates a body part in a circle

• flexor

• flexes a joint

• rotator

Match the muscle name parts with their meanings:

• muscle that elevates a body part

• pronator

• helps in pronation of forearm

• levator

• depresses a body part like the mouth

• supinator

• muscle that helps in supination of the forearm

• depressor

• circular muscles that close an opening

• sphincter

Match the muscle term with its meaning:

• 2-headed, or 2 origins

• quadriceps

• 4-headed, or 4 origins

• triceps

• 3-headed, or 3 origins

• biceps

Match the muscle term with its meaning:

• above, or superior

• medialis

• to the side of, lateral

• lateralis

• in the middle of, between

• supra

• toward the midline, medial

• intermedius

• below, or inferior

• infra

Which action does the biceps muscle do in a human?

• elbow flexion

• elbow extension

Which action does the triceps muscle do in a human?

• elbow flexion

• elbow extension