Unit 3, lesson 1: Muscle naming practice

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

• triangle

• deltoid

• shaped like a trapezoid

• plat-

• flat

• trapezoid

• like a saw

• 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

• large

• brevis

• small

• longus

• long

• minimus

• short

• vastus

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

• fibers are straight

• rectus

• fibers run diagonally

• oblique

• fibers run perpendicular to the midline

• transverse

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

• flexor

• extends a joint

• rotator

• rotates a body part in a circle

• abductor

• flexes a joint

• adductor

Match the muscle name parts with their meanings:

• depresses a body part like the mouth

• pronator

• circular muscles that close an opening

• levator

• muscle that elevates a body part

• sphincter

• helps in pronation of forearm

• depressor

• muscle that helps in supination of the forearm

• supinator

Match the muscle term with its meaning:

• 3-headed, or 3 origins

• quadriceps

• 4-headed, or 4 origins

• triceps

• 2-headed, or 2 origins

• biceps

Match the muscle term with its meaning:

• toward the midline, medial

• intermedius

• below, or inferior

• medialis

• above, or superior

• infra

• in the middle of, between

• supra

• to the side of, lateral

• lateralis

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