Muscle Function Guide: Anatomy and Movements, Exams of Biology

A concise overview of various muscles and their primary functions in the human body. It covers muscles such as the rectus abdominis, external oblique, internal oblique, transversus abdominis, erector spinae, sternocleidomastoid, serratus anterior, pectoralis minor, rhomboid major and minor, levator scapulae, trapezius, subscapularis, supraspinatus, infraspinatus, teres minor and major, pectoralis major, latissimus dorsi, deltoid, biceps brachii, brachialis, triceps brachii, flexor and extensor digitorum, gluteus minimus, medius and maximus, semimembranosus, semitendinosus, biceps femoris, iliopsoas, vastus intermedius, medialis and lateralis, rectus femoris, sartorius, adductor brevis, longus and magnus, gracilis, extensor and flexor digitorum longus, and gastrocnemius. Each muscle is paired with its corresponding action, such as flexion, extension, abduction, adduction, and rotation, making it a useful reference for students studying anatomy or physical therapy.

Typology: Exams

2025/2026

Available from 12/05/2025

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Biol 162 Practical 2 With Complete Solutions
rectus abdominis - - flexion of trunk
external oblique - - flexion of trunk
internal oblique - - flexion of trunk
transversus abdominis - - compression of
trunk
erector spinae - - extension of spine
Sternocleidomastoid - - flexion of
head/neck
serratus anterior - - protraction of scapula
pectoralis minor - - protraction of scapula
rhomboid major - - retraction of scapula
rhomboid minor - - retraction of scapula
levator scapulae - - elevation of scapula
trapezius - - -elevation of scapula
-retraction of scapula
-depression of scapula
subscapularis - - medial rotation of
shoulder joint
supraspinatus - - abduction of arm at
shoulder
infraspinatus - - lateral rotation of shoulder
teres minor - - lateral rotation of shoulder
teres major - - medial rotation of shoulder
pectoralis major - - medial rotation of
shoulder
latissimus dorsi - - medial rotation of
shoulder
anterior part of deltoid - - medial rotation at
shoulder
lateral part of deltoid - - abduction of
shoulder
posterior part of deltoid - - lateral rotation at
shoulder
biceps brachii - - flexion of elbow
brachialis - - flexion of elbow
triceps brachii - - extension of elbow
flexor digitorum profundus - - flexion of
wrist and digits
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Biol 162 Practical 2 With Complete Solutions

rectus abdominis - - flexion of trunk external oblique - - flexion of trunk internal oblique - - flexion of trunk transversus abdominis - - compression of trunk erector spinae - - extension of spine Sternocleidomastoid - - flexion of head/neck serratus anterior - - protraction of scapula pectoralis minor - - protraction of scapula rhomboid major - - retraction of scapula rhomboid minor - - retraction of scapula levator scapulae - - elevation of scapula trapezius - - - elevation of scapula

  • retraction of scapula
  • depression of scapula subscapularis - - medial rotation of shoulder joint supraspinatus - - abduction of arm at shoulder infraspinatus - - lateral rotation of shoulder teres minor - - lateral rotation of shoulder teres major - - medial rotation of shoulder pectoralis major - - medial rotation of shoulder latissimus dorsi - - medial rotation of shoulder anterior part of deltoid - - medial rotation at shoulder lateral part of deltoid - - abduction of shoulder posterior part of deltoid - - lateral rotation at shoulder biceps brachii - - flexion of elbow brachialis - - flexion of elbow triceps brachii - - extension of elbow flexor digitorum profundus - - flexion of wrist and digits

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Biol 162 Practical 2 With Complete Solutions

extensor digitorum - - extension of wrist and digits gluteus minimus - - abduction of hip gluteus medius - - abduction of hip gluteus maximus - - extension of hip Semimembranosus - - flexion of knee semitendinosus - - flexion of knee biceps femoris - - flexion of knee iliopsoas - - flexion of hip vastus intermedius - - extension of knee vastus medialis - - extension of knee vastus lateralis - - extension of knee rectus femoris - - extension of knee sartorius - - flexion of knee adductor brevis - - adduction of hip adductor longus - - adduction of hip adductor magnus - - adduction of hip gracilis - - adduction of hip extensor digitorum longus - - extension of toes flexor digitorum longus - - flexion of toes gastrocnemius - - flexion of knee