BIO 251 Lab 7 – Arm, Shoulder, Wrist & Thumb Muscles & Actions – 2025 Q&A (BIO251)

This expert-verified lab review document for BIO 251 Lab 7: Anatomy & Physiology (2025/2026) offers a complete and structured set of Q&A on the muscles of the upper limb, shoulder girdle, and associated movements. It focuses on identifying major and intrinsic muscles, paired with their precise anatomical actions, making it ideal for lab exams and practical assessments. Topics include all key upper limb muscles such as deltoid, biceps brachii, triceps brachii, brachialis, brachioradialis, pronator teres, and supinator, along with specific forearm and hand muscles including flexor and extensor carpi muscles, flexor digitorum, thenar and hypothenar muscles (e.g., opponens digiti minimi, abductor pollicis), and thumb extensors like extensor pollicis brevis. Shoulder muscles including pectoralis major, latissimus dorsi, trapezius, and levator scapulae are also covered with their respective biomechanical roles. Best suited for students in Health Sciences, Pre-Med, Nursing, Kinesiology, Sports Medicine, or any anatomy-intensive program, this lab guide supports detailed functional understanding and accurate identification for muscle anatomy evaluations. Keywords: BIO251, upper limb muscles, muscle actions, deltoid, biceps, triceps, wrist muscles, thumb extensors, forearm anatomy, shoulder girdle, lab 7 anatomy, pectoralis major, trapezius, arm muscle quiz, anatomy practical prep