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Muscles
Muscle Descriptions Using Medical Word Elements
| Term | Definition |
|---|---|
| Abductor digiti minimi pedis | Little (minimi) muscle that moves the little toe (digit) away from (abductor) the midline of the foot (pedis) |
| Adductor longus | Long (longus) muscle that moves the leg toward (adductor) the midline |
| Adductor magnus | Large (magnus) muscle that moves the leg toward (adductor) the midline |
| Biceps brachii | Muscle with two (bi-) heads (ceps) in the arm (brachii) |
| Deltoid | Triangular (deltoid) muscle of the shoulder |
| Dilator naris posterior | Muscle of the nose (naris) that opens (dilator) the back (posterior) portion of the nostril |
| Extensor hallucis longus | Long (longus) muscle that extends (extensor) the great toe (hallicus) |
| Extensor pollicis brevis | Short (brevis) muscle that extends (exensor) the thumb (pollicus) |
| External oblique | Outermost (external) muscle that extends at an angle (oblique) from the ribs to the pelvis at the iliac crest |
| Flexor carpi radialis | Muscle that flexes (flexor) the wrist (carpi) toward the radius (radialis) |
| Flexor carpi ulnaris | Muscle attached to the ulna (ulnaris) that flexes (flexor) the wrist (carpi) and the hand |
| Frontalis | Muscle over the frontal bone |
| Gastrocnemius | Muscle that makes up the belly (gastroc) of the lower leg (nemius) |
| Gluteus maximus | Largest (maximus) muscle of the buttocks (gluteus) |
| Gluteus medius | Muscle of the buttocks (glueteus) that lies in the middle (medius) between the other gluteal muscles |
| Gracilis | Slender (gracilis) muscle of the thigh |
| Iliopsoas | Muscle that is formed from the iliacus and psoas major muscles; the iliacus extends from the iliac bone (iliacus), and the psoas major is the large (major) muscle of the loin (psoas) |
| Latissimus dorsi | Broadest (latissimus) muscle of the back (dorsi) |
| Masseter | Muscle of chewing (masseter) or mastication |
| Orbicularis oculi and oris | Muscles circling (orbicularis) the eye (oculi) or mouth (orus) |
| Palmaris longus | Long (longus) muscle of the palm (palmaris) |
| Pectineus | Muscle of the pubic (pectineus) bone) |
| Pectoralis major | Large (major) muscle of the chest (pectoralis) |
| Peroneus longus | Long (longus) muscle attached to the fibula (peroneus) |
| Plantaris | Muscle that flexes the foot (plantaris) and the leg) |
| Pronator teres | Long round (teres) muscle that turns the palm downward into a prone (pronator) position |
| Rectus abdominis | Muscle that extends in a straight (rectus) line upward across the abdomen (abdominis); the center border of the left and right rectus abdominis muscles in the linea alba, or the white (alba) line (linea) at the midline of the abdomen |
| Rectus femoris | Part of the quadriceps muscle that is straight (rectus) and lies near the femur (femoris) |
| Sartorius | Muscle of the leg that enables a person to sit in a cross-legged tailor's (sartorial) position |
| Semimembranosus | Muscle made up partly (semi-) of membranous tissue; part of the hamstring group |
| Semitendanosus | Muscle made up partly (semi-) of tendinous tissue; part of the hamstring group |
| Serratus anterior | Sawtooth-shaped (serratus) muscle in front of (anterior) the shoulder and rig cage |
| Soleus | Muscle that resembles a flat fish (sole) located in the calf of the leg |
| Sternocleidomastoid | Muscle attached to the breastbone (sterno), the collarbone (cleido), and the mastoid (mastoid) process of the temporal bone |
| Temporalis | Muscle over the temporal (temporalis) bone |
| Tensor fasciae latae | Muscle that tenses (tensor) the fascia (fasciae) of the thigh (latae) |
| Teres minor | Small (minor) round (teres) muscle that moves the arm |
| Tibialis anterior | Muscle in front (anterior) of the tibia (tibialis) |
| Trapezius | Four-sided, trapezoid-shaped (trapezuis) muscle of the shouler |
| Triceps brachii | Three (tri-) headed (ceps) muscle of the arm (brachii) |
| Vastus lateralis, medialis, intermedialis | Large (vastus) lateral (lateralis), toward the midline (medialis), and the middle (intermedialis) muscles of the quadriceps muscle group; the quadriceps has four (quadri-) heads (ceps) |