Muscular System

Muscular System

Learning Goals

Know major muscles and their functions

Understand movement terminology

Multiple Choice

muscle that moves the body

• skeletal

• cardiac

• smooth

• digestive

Multiple Choice

muscle of the heart

• cardiac

• smooth

• myofibril

• skeletal

Multiple Choice

muscles found in organs

• cardiac

• smooth

• slow twitch

• skeletal

Multiple Choice

muscles that contract when needed

• fast twitch

• slow twitch

• voluntary

• involuntary

Multiple Choice

muscles that you make contract

• fast twitch

• slow twitch

• voluntary

• involuntary

Multiple Choice

fibers that contract/relax very quickly

• voluntary

• involuntary

• fast twitch

• slow twitch

Multiple Choice

muscles that contract/relax more slowly

• fast twitch

• slow twitch

• involuntary

• voluntary

Bending the joint to reduce the angle.

​​Flexion

Straightening the joint (increasing the joint angle).

​​Extension

Movement away from the midline.

​​Abduction

Movement toward the midline.

Adduction

Match

Match the following

• Bending the joint to reduce the angle

• Straightening the joint (increasing angle)

• Movement away from the midline

• Movement toward the midline

Flexion

Extension

Abduction

Adduction

• Flexion

• Extension

• Abduction

• Adduction

Match

Match the following exercise with the main muscle group that is worked:

• Pectorals

• Lats

• Biceps

• Triceps

• Deltoids

Bench Press

Bent Row

Preacher Curls

Dips

Military Press

• Bench Press

• Bent Row

• Preacher Curls

• Dips

• Military Press

Match

Match the following exercise with the main muscle group that is worked:

• Glutes

• Hamstrings

• Calves

• Quads

Squat

RDL (Romanian Deadlift)

Pogo Hops

Leg Extension

• Squat

• RDL (Romanian Deadlift)

• Pogo Hops

• Leg Extension

Match

Match the following muscle contraction:

• Eccentric

• Concentric

• Isometric

Muscle actively lengthens

Muscle actively shortens

Muscle is held at set length

• Muscle actively lengthens

• Muscle actively shortens

• Muscle is held at set length

Multiple Choice

What is an isometric contraction?

• Muscle lengthens as it contracts.

• Muscle shortens as it contracts.

• Muscle contraction where the muscle stays the same length.

• The contraction force exceeds the load.

Multiple Choice

Which of the following is an example of an isometric contraction?

• Pushing the bar during bench press

• Lowering the bar during bench press

• Split Lunge Holds / Planks

• Running at a steady pace

Multiple Choice

What is an eccentric contraction?

• The load exceeds the contraction causing the muscle to lengthen as it contracts.

• Muscle shortens as it contracts.

• Muscle contraction where the muscle stays the same length.

• The contraction force exceeds the load.

Multiple Choice

Which of the following is an example of an eccentric contraction?

• Split Lunge Holds / Planks

• Pushing the bar during bench press

• Lowering the bar during bench press

• Holding a static arm curl

Multiple Choice

As this athlete jumps into the air, his quadriceps undergo-

• concentric contraction
• eccentric contraction
• isometric contraction

Multiple Choice

What type of contraction is happening here??

• isostabilize

• isokinetic

• isotonic

• isometric

Multiple Choice

As the athlete lowers the weights, his biceps undergo-

• concentric contraction

• eccentric contraction

• isometric contraction

Multiple Choice

Concentric contraction ______ muscles

• shorten

• lengthen

Terminology

◼

Hypertrophy

–

increase in muscle size

◼

Atrophy

–

decrease in muscle size

◼

Isolation

–

singling out a particular muscle group

◼

Motor unit

–

part of muscle stimulated by brain

◼

Superset

–

doing 2 or 3 exercises together (no rest)

◼

Circuit training

–

a rotation of multiple exercises with

little or no rest between

◼

Partial rep

–

not completing the full range of motion

Match

Match the following fitness term with its description:

• Hypertrophy

• Atrophy

• Superset

• Circuit

• Isolation

Increase in muscle size

Decrease in muscle size

Doing 2 or 3 exercises together (no rest)

A rotation of multiple exercises with little or no rest between

Singling out a single muscle group

• Increase in muscle size

• Decrease in muscle size

• Doing 2 or 3 exercises together (no rest)

• A rotation of multiple exercises with little or no rest between

• Singling out a single muscle group