Core Muscle Categories and Functions

Question 1

ERECTOR SPINAE GROUP

[erect-or] [spin-ae] [group]

Answer 1

Trunk EXTENSION

Question 2

QUADRATUS LUMBORUM

[quad-rat-us] [lum-bor-um]

Answer 2

Trunk LATERAL Flexion

Question 3

RECTUS ABDOMINIS

[rec-tus] [ab-dom-in-is]

Answer 3

Trunk FLEXION

POSTERIOR Pelvic Tilt

Question 4

EXTERNAL/INTERNAL OBLIQUE ABDOMINIS

Answer 4

Trunk LATERAL Flexion

Trunk ROTATION

Question 5

TRANSVERSUS ABDOMINIS

[trans-vers-us] [ab-dom-in-is]

Answer 5

Pulls abdominal wall INWARD

To INCREASE

Intra-abdominal pressure

Question 6

Name the muscles of the GLOBAL CORE STABILIZERS.

Answer 6

1. ERECTOR SPINAE GROUP
2. QUADRATUS LUMBORUM
3. RECTUS ABDOMINIS
4. INTERNAL OBLIQUE ABDOMINIS
5. EXTERNAL OBLIQUE ABDOMINIS
6. TRANSVERSUS ABDOMINIS

Question 7

MULTIFIDUS

[multi-fid-us]

Answer 7

Trunk EXTENSION

Question 8

Name the muscles of the LOCAL CORE STABILIZERS.

Answer 8

1. MULTIFIDUS
2. ROTATORES
3. INTERTRANSVERSALIS
4. INTERSPINALIS
5. DIAPHRAGM
6. PELVIC FLOOR GROUP

Question 9

ROTATORES

[ro-tat-or-es]

Answer 9

Trunk ROTATION

Question 10

INTERTRANSVERSALIS

[inter] [trans-vers] [al-is]

Answer 10

Trunk LATERAL Flexion

Question 11

INTERSPINALIS

[inter-spin-al-is]

Answer 11

Trunk EXTENSION

Question 12

DIAPHRAGM

[dia-phragm]

Answer 12

Contracts DOWNWARD

to INCREASE

Intra-abdominal Pressure

Question 13

PELVIC FLOOR GROUP

[pel-vic] [floor] [group]

Answer 13

Contracts UPWARD

to INCREASE

Intra-Abdominal Pressure

Question 14

PECTORALIS MAJOR

[pec-tor-al-is] [ma-jor]

Answer 14

• Shoulder FLEXION
• Shoulder Horizontal ADDuction
• Shoulder Diagonal ADDuction

Question 15

LATISSIMUS DORSI

[lat-issi-mus] [dor-si]

Answer 15

• Shoulder EXTENSION
• Shoulder Horizontal ABduction
• Shoulder Diagonal ABduction

Question 16

PECTORALIS MINOR

[pec-Tor-al-is] [min-or]

Answer 16

Scapular DEPRESSION

Question 17

SERRATUS ANTERIOR

[ser-rat-us] [ant-er-i-or]

Answer 17

Scapular PROTRACTION

Question 18

RHOMBOIDS

[rhom-boi-ds]

Answer 18

Scapular RETRACTION

Question 19

TRAPEZIUS

[trap-e-zi-us]

Answer 19

• Scapular ELEVATION-UPPER fibers
• Scapular RETRACTION-MIDDLE fibers
• Scapular DEPRESSION-LOWER fibers

Question 20

Name the muscles of the LOWER EXTREMITY CORE-LIMB TRANSFER MUSCLES.

Answer 20

1. ILLIOPSOAS GROUP
2. GLUTEUS MAXIMUS
3. HAMSTRINGS GROUP
4. GLUTEUS MEDIUS

Question 21

ILLIOPSOAS GROUP

[illio-psoas] [group]

Answer 21

• Hip FLEXION

* ANTERIOR Pelvic Tilt

Question 22

GLUTEUS MAXIMUS

[glut-e-us] [max-i-mus]

Answer 22

• Hip EXTENSION

* POSTERIOR Pelvic Tilt

Question 23

HAMSTRINGS GROUP

[ham-strings] [group]

Answer 23

• Hip EXTENSION

* POSTERIOR Pelvic Tilt

Question 24

GLUTEUS MEDIUS

[glut-e-us] [me-di-us]

Answer 24

• Hip ABduction

* LATERAL Pelvic Tilt

Question 25

Name the muscles of the UPPER EXTREMITY CORE-LIMB TRANSFER MUSCLES.

Answer 25

1. PECTORALIS MAJOR
2. LATISSIMUS DORSI
3. PECTORALIS MINOR
4. SERRATUS ANTERIOR
5. RHOMBOIDS
6. TRAPEZIUS