Question

Muscle names often come with descriptive prefixes that indicate their location or action. For the following terms, provide the (1) definition and (2) example of a muscle in the lower extremity that contains this term

a. Plantar
1.____________________
2.____________________
c. Rectus
1.____________________
2.___________________
e. Quadratus
1.____________________
2.___________________
g. Internus
1.____________________
2.___________________
b. Hallucis
1.____________________
2.___________________
d. Magnus
1.____________________
2.___________________
f. Medius
1.____________________
2.___________________
h. Longus
1.____________________
2.___________________

Answer 1

a. Plantar 1. Referring to the sole of the foot 2. Example: Flexor digitorum brevis

c. Rectus 1. Straight or in a straight line 2. Example: Rectus femoris

e. Quadratus 1. Square or four-sided 2. Example: Quadratus femoris

g. Internus 1. Located internally or on the inside 2. Example: Obturator internus

b. Hallucis 1. Pertaining to the big toe 2. Example: Flexor hallucis longus

d. Magnus 1. Large or powerful 2. Example: Adductor magnus

f. Medius 1. Middle or intermediate 2. Example: Gluteus medius

h. Longus 1. Long or lengthened 2. Example: Tibialis anterior

Step-by-step explanation:

a. Plantar refers to the sole of the foot. An example is the Flexor digitorum brevis, a muscle involved in toe movement.

c. Rectus means straight or in a straight line. An example is the Rectus femoris, one of the quadriceps muscles.

e. Quadratus implies square or four-sided. Quadratus femoris is a muscle in the hip region.

g. Internus denotes located internally or on the inside. Obturator internus is a hip muscle.

b. Hallucis pertains to the big toe. Flexor hallucis longus is involved in flexing the big toe.

d. Magnus signifies large or powerful. Adductor magnus is a substantial muscle in the inner thigh.

f. Medius means middle or intermediate. Gluteus medius is located in the middle of the buttocks.

h. Longus refers to long or lengthened. Tibialis anterior is a long muscle in the anterior compartment of the leg.

Option A/B/C/D is answer, providing the definitions and examples of muscles in the lower extremity with descriptive prefixes.