LAB Muscular System Quiz

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Questions and Answers

Attachment point that does not move during muscle contraction

Origin (correct)
Insertion

Attachment point that moves during contraction

Origin
Insertion (correct)

Hamstrings include:

Biceps femoris (correct)
Semitendinosus (correct)
Rectus femoris
Semimembranosus (correct)
Vastus medialis
Vastus intermedius

Quadriceps include:

Vastus medialis (B), Vastus intermedius (C), Rectus femoris (A), Vastus lateralis (D) Signup and view all the answers

Acting on the Trunk:

Diaphragm = increases volume of thoracic cavity (B), Rectus abdominis = compresses abdominal contents (A) Signup and view all the answers

Muscles acting on the Thigh:

Gluteus maximus = extends and laterally rotates thigh (A), Gracilis = adducts thigh and flexes lower leg (B) Signup and view all the answers

Muscles acting on the Lower leg:

Semitendinosus = extends and adducts thigh and flexes lower leg (C), Biceps femoris = extends and adducts thigh (A), Semimembranosus = extends and adducts thigh and flexes lower leg (B), Rectus femoris = flexes thigh and extends lower leg (D), Vastus intermedius, lateralis, medialis = extends lower leg (@), Sartorius = flexes and abducts thigh and flexes lower leg (@) Signup and view all the answers

Muscles acting on the Foot:

Soleus = plantar flexes foot (B), Tibialis anterior = dorsiflexion of foot (C), Gastrocnemius = flexes lower leg (A) Signup and view all the answers

Muscles acting on the Shoulder:

Serratus anterior = pulls scapula forward (B), Pectoralis minor = elevates scapula (A), Trapezius = elevates, depresses and stabilizes scapula (C) Signup and view all the answers

Acting on Upper Arm:

Pectoralis major = flexes and adducts upper arm (C), Deltoid = abducts, rotates and flexes upper arm (A), Latissimus dorsi = extends and adducts upper arm (B) Signup and view all the answers