Mohamed Abbas, a science teacher at Senioritis.io

Mohamed Abbas
June 21, 2023
Marine Biology

Exploring the Wonders of Phylum Ctenophora: Anatomy, Diet, Reproduction, Bioluminescence and Ecosystem Impact

Phylum Ctenophora – comb jellies – different from true jellies- “combs” – rows of cilia- move through pulsing cilia Phylum Ctenophora refers to a group of marine...

Mohamed Abbas
June 21, 2023
Marine Biology

Exploring the Diversity and Importance of Arthropods: From Insects to Crustaceans.

Phylum Arthropoda – Subphyla Crustacea (The bodies of amphipods are flattened sideways and have highly arched backs, while isopods are dorsoventrally flattened ventrally and are bigger in...

Mohamed Abbas
June 21, 2023
Biomechanics

Mastering the Forward Bend: Normal Ranges of Lumbar Flexion and Hip Flexion for Safe and Effective Performance

typical range of motion of lumbar and hip flexion during forward bending from standing 45 degrees of lumbar flexion and 70 degrees of hip flexion Lumbar flexibility...

Mohamed Abbas
June 21, 2023
Biomechanics

Proper Technique for Returning from a Forward Bend to Avoid Injury: A Three-Phase Guide

three phases of returning from a forward bend 1. Initially: trunk extension (pelvis on femurs); During strong activation: hip extensors (glut. max & hamstrings) 2. More Trunk...

Mohamed Abbas
June 21, 2023
Biomechanics

Axis of Rotation during Forward Bend Movement for Improved Posture

Roughly, where is the axis of rotation for the action of returning from a forward bend ? L3 The axis of rotation for the action of returning...

Mohamed Abbas
June 21, 2023
Biomechanics

Managing Anterior Pelvic Tilt for Better Lumbar Spine Health

How does an anterior pelvic tilt affect the kinematics of the lumbar spine? extends the lumbar spine and increases lordosis Anterior pelvic tilt is a postural deviation...

Mohamed Abbas
June 21, 2023
Biomechanics

How Posterior Pelvic Tilt Affects Lumbar Spine Kinematics and Can Cause Injury and Postural Problems

How does an posterior pelvic tilt affect the kinematics of the lumbar spine? flexes the lumbar spine and decreases lordosis Posterior pelvic tilt (PPT) can have a...

Mohamed Abbas
June 21, 2023
Biomechanics

How Your Slouched Sitting Posture Can Negatively Impact Your Spine and Ways to Maintain Good Posture.

How does a slouched sitting posture affect the alignment of the spine? the lumbar spine flexes and reduces lordosis and causes the head to protract (come forward)...